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From-SVN: r43922
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Anthony Green 2001-07-11 03:59:16 +00:00 committed by Anthony Green
parent 608fe35b1a
commit 9556f88777
57 changed files with 12772 additions and 53 deletions
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43
libjava/ChangeLog
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@ -1,3 +1,46 @@
2001-07-10 Anthony Green <green@redhat.com>
* Makefile.in: Rebuilt.
* Makefile.am: Add new files.
* org/w3c/dom/Attr.java, org/w3c/dom/CDATASection.java,
org/w3c/dom/CharacterData.java, org/w3c/dom/Comment.java,
org/w3c/dom/DOMException.java, org/w3c/dom/DOMImplementation.java,
org/w3c/dom/Document.java, org/w3c/dom/DocumentFragment.java,
org/w3c/dom/DocumentType.java, org/w3c/dom/Element.java,
org/w3c/dom/Entity.java, org/w3c/dom/EntityReference.java,
org/w3c/dom/NamedNodeMap.java, org/w3c/dom/Node.java,
org/w3c/dom/NodeList.java, org/w3c/dom/Notation.java,
org/w3c/dom/ProcessingInstruction.java, org/w3c/dom/Text.java,
org/w3c/dom/ranges/DocumentRange.java,
org/w3c/dom/ranges/Range.java,
org/w3c/dom/ranges/RangeException.java,
org/w3c/dom/traversal/DocumentTraversal.java,
org/w3c/dom/traversal/NodeFilter.java,
org/w3c/dom/traversal/NodeIterator.java,
org/w3c/dom/traversal/TreeWalker.java,
org/xml/sax/ext/DeclHandler.java,
org/xml/sax/ext/LexicalHandler.java,
org/xml/sax/helpers/AttributeListImpl.java,
org/xml/sax/helpers/AttributesImpl.java,
org/xml/sax/helpers/DefaultHandler.java,
org/xml/sax/helpers/LocatorImpl.java,
org/xml/sax/helpers/NamespaceSupport.java,
org/xml/sax/helpers/ParserAdapter.java,
org/xml/sax/helpers/ParserFactory.java,
org/xml/sax/helpers/XMLFilterImpl.java,
org/xml/sax/helpers/XMLReaderAdapter.java,
org/xml/sax/helpers/XMLReaderFactory.java,
org/xml/sax/AttributeList.java, org/xml/sax/Attributes.java,
org/xml/sax/ContentHandler.java, org/xml/sax/DTDHandler.java,
org/xml/sax/DocumentHandler.java, org/xml/sax/EntityResolver.java,
org/xml/sax/ErrorHandler.java, org/xml/sax/HandlerBase.java,
org/xml/sax/InputSource.java, org/xml/sax/Locator.java,
org/xml/sax/Parser.java, org/xml/sax/SAXException.java,
org/xml/sax/SAXNotRecognizedException.java,
org/xml/sax/SAXNotSupportedException.java,
org/xml/sax/SAXParseException.java, org/xml/sax/XMLFilter.java,
org/xml/sax/XMLReader.java: New files.
2001-07-10 Alexandre Petit-Bianco <apbianco@redhat.com>
* Makefile.am: Added `java/lang/ThreadLocal.java'.

57
libjava/Makefile.am
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@ -188,7 +188,7 @@ libgcj.jar: $(built_java_source_files) $(java_source_files) $(x_java_source_file
test "$$fail" = no
-@rm -f tmp-list libgcj.jar
## Note that we explicitly want to include directory information.
find java gnu -type d -o -type f -name '*.class' | \
find java gnu org -type d -o -type f -name '*.class' | \
sed -e '/\/\./d' -e '/\/xlib/d' | \
$(ZIP) cfM0E@ $@
@ -977,7 +977,6 @@ java/util/TooManyListenersException.java \
java/util/Vector.java \
java/util/WeakHashMap.java
## List of all .java files to be compiled. Please keep this list
## alphabetical. Please put files from java/lang, java/io, and java/util
## into core_java_source_files. Please put files from gnu/gcj/convert
@ -1252,6 +1251,60 @@ java/util/zip/ZipException.java \
java/util/zip/ZipFile.java \
java/util/zip/ZipInputStream.java \
java/util/zip/ZipOutputStream.java \
org/w3c/dom/Attr.java \
org/w3c/dom/CDATASection.java \
org/w3c/dom/CharacterData.java \
org/w3c/dom/Comment.java \
org/w3c/dom/DOMException.java \
org/w3c/dom/DOMImplementation.java \
org/w3c/dom/Document.java \
org/w3c/dom/DocumentFragment.java \
org/w3c/dom/DocumentType.java \
org/w3c/dom/Element.java \
org/w3c/dom/Entity.java \
org/w3c/dom/EntityReference.java \
org/w3c/dom/NamedNodeMap.java \
org/w3c/dom/Node.java \
org/w3c/dom/NodeList.java \
org/w3c/dom/Notation.java \
org/w3c/dom/ProcessingInstruction.java \
org/w3c/dom/Text.java \
org/w3c/dom/ranges/DocumentRange.java \
org/w3c/dom/ranges/Range.java \
org/w3c/dom/ranges/RangeException.java \
org/w3c/dom/traversal/DocumentTraversal.java \
org/w3c/dom/traversal/NodeFilter.java \
org/w3c/dom/traversal/NodeIterator.java \
org/w3c/dom/traversal/TreeWalker.java \
org/xml/sax/ext/DeclHandler.java \
org/xml/sax/ext/LexicalHandler.java \
org/xml/sax/helpers/AttributeListImpl.java \
org/xml/sax/helpers/AttributesImpl.java \
org/xml/sax/helpers/DefaultHandler.java \
org/xml/sax/helpers/LocatorImpl.java \
org/xml/sax/helpers/NamespaceSupport.java \
org/xml/sax/helpers/ParserAdapter.java \
org/xml/sax/helpers/ParserFactory.java \
org/xml/sax/helpers/XMLFilterImpl.java \
org/xml/sax/helpers/XMLReaderAdapter.java \
org/xml/sax/helpers/XMLReaderFactory.java \
org/xml/sax/AttributeList.java \
org/xml/sax/Attributes.java \
org/xml/sax/ContentHandler.java \
org/xml/sax/DTDHandler.java \
org/xml/sax/DocumentHandler.java \
org/xml/sax/EntityResolver.java \
org/xml/sax/ErrorHandler.java \
org/xml/sax/HandlerBase.java \
org/xml/sax/InputSource.java \
org/xml/sax/Locator.java \
org/xml/sax/Parser.java \
org/xml/sax/SAXException.java \
org/xml/sax/SAXNotRecognizedException.java \
org/xml/sax/SAXNotSupportedException.java \
org/xml/sax/SAXParseException.java \
org/xml/sax/XMLFilter.java \
org/xml/sax/XMLReader.java \
$(awt_java_source_files) \
$(convert_source_files)

1074
libjava/Makefile.in
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111
libjava/org/w3c/dom/Attr.java Normal file
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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>Attr</code> interface represents an attribute in an
* <code>Element</code> object. Typically the allowable values for the
* attribute are defined in a document type definition.
* <p><code>Attr</code> objects inherit the <code>Node</code> interface, but
* since they are not actually child nodes of the element they describe, the
* DOM does not consider them part of the document tree. Thus, the
* <code>Node</code> attributes <code>parentNode</code>,
* <code>previousSibling</code>, and <code>nextSibling</code> have a
* <code>null</code> value for <code>Attr</code> objects. The DOM takes the
* view that attributes are properties of elements rather than having a
* separate identity from the elements they are associated with; this should
* make it more efficient to implement such features as default attributes
* associated with all elements of a given type. Furthermore,
* <code>Attr</code> nodes may not be immediate children of a
* <code>DocumentFragment</code>. However, they can be associated with
* <code>Element</code> nodes contained within a
* <code>DocumentFragment</code>. In short, users and implementors of the
* DOM need to be aware that <code>Attr</code> nodes have some things in
* common with other objects inheriting the <code>Node</code> interface, but
* they also are quite distinct.
* <p> The attribute's effective value is determined as follows: if this
* attribute has been explicitly assigned any value, that value is the
* attribute's effective value; otherwise, if there is a declaration for
* this attribute, and that declaration includes a default value, then that
* default value is the attribute's effective value; otherwise, the
* attribute does not exist on this element in the structure model until it
* has been explicitly added. Note that the <code>nodeValue</code> attribute
* on the <code>Attr</code> instance can also be used to retrieve the string
* version of the attribute's value(s).
* <p>In XML, where the value of an attribute can contain entity references,
* the child nodes of the <code>Attr</code> node may be either
* <code>Text</code> or <code>EntityReference</code> nodes (when these are
* in use; see the description of <code>EntityReference</code> for
* discussion). Because the DOM Core is not aware of attribute types, it
* treats all attribute values as simple strings, even if the DTD or schema
* declares them as having tokenized types.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Attr extends Node {
/**
* Returns the name of this attribute.
*/
public String getName();
/**
* If this attribute was explicitly given a value in the original
* document, this is <code>true</code>; otherwise, it is
* <code>false</code>. Note that the implementation is in charge of this
* attribute, not the user. If the user changes the value of the
* attribute (even if it ends up having the same value as the default
* value) then the <code>specified</code> flag is automatically flipped
* to <code>true</code>. To re-specify the attribute as the default
* value from the DTD, the user must delete the attribute. The
* implementation will then make a new attribute available with
* <code>specified</code> set to <code>false</code> and the default
* value (if one exists).
* <br>In summary: If the attribute has an assigned value in the document
* then <code>specified</code> is <code>true</code>, and the value is
* the assigned value. If the attribute has no assigned value in the
* document and has a default value in the DTD, then
* <code>specified</code> is <code>false</code>, and the value is the
* default value in the DTD. If the attribute has no assigned value in
* the document and has a value of #IMPLIED in the DTD, then the
* attribute does not appear in the structure model of the document. If
* the <code>ownerElement</code> attribute is <code>null</code> (i.e.
* because it was just created or was set to <code>null</code> by the
* various removal and cloning operations) <code>specified</code> is
* <code>true</code>.
*/
public boolean getSpecified();
/**
* On retrieval, the value of the attribute is returned as a string.
* Character and general entity references are replaced with their
* values. See also the method <code>getAttribute</code> on the
* <code>Element</code> interface.
* <br>On setting, this creates a <code>Text</code> node with the unparsed
* contents of the string. I.e. any characters that an XML processor
* would recognize as markup are instead treated as literal text. See
* also the method <code>setAttribute</code> on the <code>Element</code>
* interface.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
*/
public String getValue();
public void setValue(String value)
throws DOMException;
/**
* The <code>Element</code> node this attribute is attached to or
* <code>null</code> if this attribute is not in use.
* @since DOM Level 2
*/
public Element getOwnerElement();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* CDATA sections are used to escape blocks of text containing characters that
* would otherwise be regarded as markup. The only delimiter that is
* recognized in a CDATA section is the "]]&gt;" string that ends the CDATA
* section. CDATA sections cannot be nested. Their primary purpose is for
* including material such as XML fragments, without needing to escape all
* the delimiters.
* <p>The <code>DOMString</code> attribute of the <code>Text</code> node holds
* the text that is contained by the CDATA section. Note that this may
* contain characters that need to be escaped outside of CDATA sections and
* that, depending on the character encoding ("charset") chosen for
* serialization, it may be impossible to write out some characters as part
* of a CDATA section.
* <p> The <code>CDATASection</code> interface inherits from the
* <code>CharacterData</code> interface through the <code>Text</code>
* interface. Adjacent <code>CDATASection</code> nodes are not merged by use
* of the <code>normalize</code> method of the <code>Node</code> interface.
* Because no markup is recognized within a <code>CDATASection</code>,
* character numeric references cannot be used as an escape mechanism when
* serializing. Therefore, action needs to be taken when serializing a
* <code>CDATASection</code> with a character encoding where some of the
* contained characters cannot be represented. Failure to do so would not
* produce well-formed XML.One potential solution in the serialization
* process is to end the CDATA section before the character, output the
* character using a character reference or entity reference, and open a new
* CDATA section for any further characters in the text node. Note, however,
* that some code conversion libraries at the time of writing do not return
* an error or exception when a character is missing from the encoding,
* making the task of ensuring that data is not corrupted on serialization
* more difficult.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface CDATASection extends Text {
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>CharacterData</code> interface extends Node with a set of
* attributes and methods for accessing character data in the DOM. For
* clarity this set is defined here rather than on each object that uses
* these attributes and methods. No DOM objects correspond directly to
* <code>CharacterData</code>, though <code>Text</code> and others do
* inherit the interface from it. All <code>offsets</code> in this interface
* start from <code>0</code>.
* <p>As explained in the <code>DOMString</code> interface, text strings in
* the DOM are represented in UTF-16, i.e. as a sequence of 16-bit units. In
* the following, the term 16-bit units is used whenever necessary to
* indicate that indexing on CharacterData is done in 16-bit units.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface CharacterData extends Node {
/**
* The character data of the node that implements this interface. The DOM
* implementation may not put arbitrary limits on the amount of data
* that may be stored in a <code>CharacterData</code> node. However,
* implementation limits may mean that the entirety of a node's data may
* not fit into a single <code>DOMString</code>. In such cases, the user
* may call <code>substringData</code> to retrieve the data in
* appropriately sized pieces.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
* @exception DOMException
* DOMSTRING_SIZE_ERR: Raised when it would return more characters than
* fit in a <code>DOMString</code> variable on the implementation
* platform.
*/
public String getData()
throws DOMException;
public void setData(String data)
throws DOMException;
/**
* The number of 16-bit units that are available through <code>data</code>
* and the <code>substringData</code> method below. This may have the
* value zero, i.e., <code>CharacterData</code> nodes may be empty.
*/
public int getLength();
/**
* Extracts a range of data from the node.
* @param offsetStart offset of substring to extract.
* @param countThe number of 16-bit units to extract.
* @return The specified substring. If the sum of <code>offset</code> and
* <code>count</code> exceeds the <code>length</code>, then all 16-bit
* units to the end of the data are returned.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
* negative or greater than the number of 16-bit units in
* <code>data</code>, or if the specified <code>count</code> is
* negative.
* <br>DOMSTRING_SIZE_ERR: Raised if the specified range of text does
* not fit into a <code>DOMString</code>.
*/
public String substringData(int offset,
int count)
throws DOMException;
/**
* Append the string to the end of the character data of the node. Upon
* success, <code>data</code> provides access to the concatenation of
* <code>data</code> and the <code>DOMString</code> specified.
* @param argThe <code>DOMString</code> to append.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void appendData(String arg)
throws DOMException;
/**
* Insert a string at the specified 16-bit unit offset.
* @param offsetThe character offset at which to insert.
* @param argThe <code>DOMString</code> to insert.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
* negative or greater than the number of 16-bit units in
* <code>data</code>.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void insertData(int offset,
String arg)
throws DOMException;
/**
* Remove a range of 16-bit units from the node. Upon success,
* <code>data</code> and <code>length</code> reflect the change.
* @param offsetThe offset from which to start removing.
* @param countThe number of 16-bit units to delete. If the sum of
* <code>offset</code> and <code>count</code> exceeds
* <code>length</code> then all 16-bit units from <code>offset</code>
* to the end of the data are deleted.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
* negative or greater than the number of 16-bit units in
* <code>data</code>, or if the specified <code>count</code> is
* negative.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void deleteData(int offset,
int count)
throws DOMException;
/**
* Replace the characters starting at the specified 16-bit unit offset
* with the specified string.
* @param offsetThe offset from which to start replacing.
* @param countThe number of 16-bit units to replace. If the sum of
* <code>offset</code> and <code>count</code> exceeds
* <code>length</code>, then all 16-bit units to the end of the data
* are replaced; (i.e., the effect is the same as a <code>remove</code>
* method call with the same range, followed by an <code>append</code>
* method invocation).
* @param argThe <code>DOMString</code> with which the range must be
* replaced.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
* negative or greater than the number of 16-bit units in
* <code>data</code>, or if the specified <code>count</code> is
* negative.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void replaceData(int offset,
int count,
String arg)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* This interface inherits from <code>CharacterData</code> and represents the
* content of a comment, i.e., all the characters between the starting '
* <code>&lt;!--</code>' and ending '<code>--&gt;</code>'. Note that this is
* the definition of a comment in XML, and, in practice, HTML, although some
* HTML tools may implement the full SGML comment structure.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Comment extends CharacterData {
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* DOM operations only raise exceptions in "exceptional" circumstances, i.e.,
* when an operation is impossible to perform (either for logical reasons,
* because data is lost, or because the implementation has become unstable).
* In general, DOM methods return specific error values in ordinary
* processing situations, such as out-of-bound errors when using
* <code>NodeList</code>.
* <p>Implementations should raise other exceptions under other circumstances.
* For example, implementations should raise an implementation-dependent
* exception if a <code>null</code> argument is passed.
* <p>Some languages and object systems do not support the concept of
* exceptions. For such systems, error conditions may be indicated using
* native error reporting mechanisms. For some bindings, for example,
* methods may return error codes similar to those listed in the
* corresponding method descriptions.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public class DOMException extends RuntimeException {
public DOMException(short code, String message) {
super(message);
this.code = code;
}
/** @serial */
public short code;
// ExceptionCode
/**
* If index or size is negative, or greater than the allowed value
*/
public static final short INDEX_SIZE_ERR = 1;
/**
* If the specified range of text does not fit into a DOMString
*/
public static final short DOMSTRING_SIZE_ERR = 2;
/**
* If any node is inserted somewhere it doesn't belong
*/
public static final short HIERARCHY_REQUEST_ERR = 3;
/**
* If a node is used in a different document than the one that created it
* (that doesn't support it)
*/
public static final short WRONG_DOCUMENT_ERR = 4;
/**
* If an invalid or illegal character is specified, such as in a name. See
* production 2 in the XML specification for the definition of a legal
* character, and production 5 for the definition of a legal name
* character.
*/
public static final short INVALID_CHARACTER_ERR = 5;
/**
* If data is specified for a node which does not support data
*/
public static final short NO_DATA_ALLOWED_ERR = 6;
/**
* If an attempt is made to modify an object where modifications are not
* allowed
*/
public static final short NO_MODIFICATION_ALLOWED_ERR = 7;
/**
* If an attempt is made to reference a node in a context where it does
* not exist
*/
public static final short NOT_FOUND_ERR = 8;
/**
* If the implementation does not support the requested type of object or
* operation.
*/
public static final short NOT_SUPPORTED_ERR = 9;
/**
* If an attempt is made to add an attribute that is already in use
* elsewhere
*/
public static final short INUSE_ATTRIBUTE_ERR = 10;
/**
* If an attempt is made to use an object that is not, or is no longer,
* usable.
* @since DOM Level 2
*/
public static final short INVALID_STATE_ERR = 11;
/**
* If an invalid or illegal string is specified.
* @since DOM Level 2
*/
public static final short SYNTAX_ERR = 12;
/**
* If an attempt is made to modify the type of the underlying object.
* @since DOM Level 2
*/
public static final short INVALID_MODIFICATION_ERR = 13;
/**
* If an attempt is made to create or change an object in a way which is
* incorrect with regard to namespaces.
* @since DOM Level 2
*/
public static final short NAMESPACE_ERR = 14;
/**
* If a parameter or an operation is not supported by the underlying
* object.
* @since DOM Level 2
*/
public static final short INVALID_ACCESS_ERR = 15;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>DOMImplementation</code> interface provides a number of methods
* for performing operations that are independent of any particular instance
* of the document object model.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface DOMImplementation {
/**
* Test if the DOM implementation implements a specific feature.
* @param featureThe name of the feature to test (case-insensitive). The
* values used by DOM features are defined throughout the DOM Level 2
* specifications and listed in the section. The name must be an XML
* name. To avoid possible conflicts, as a convention, names referring
* to features defined outside the DOM specification should be made
* unique by reversing the name of the Internet domain name of the
* person (or the organization that the person belongs to) who defines
* the feature, component by component, and using this as a prefix.
* For instance, the W3C SVG Working Group defines the feature
* "org.w3c.dom.svg".
* @param versionThis is the version number of the feature to test. In
* Level 2, the string can be either "2.0" or "1.0". If the version is
* not specified, supporting any version of the feature causes the
* method to return <code>true</code>.
* @return <code>true</code> if the feature is implemented in the
* specified version, <code>false</code> otherwise.
*/
public boolean hasFeature(String feature,
String version);
/**
* Creates an empty <code>DocumentType</code> node. Entity declarations
* and notations are not made available. Entity reference expansions and
* default attribute additions do not occur. It is expected that a
* future version of the DOM will provide a way for populating a
* <code>DocumentType</code>.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param qualifiedNameThe qualified name of the document type to be
* created.
* @param publicIdThe external subset public identifier.
* @param systemIdThe external subset system identifier.
* @return A new <code>DocumentType</code> node with
* <code>Node.ownerDocument</code> set to <code>null</code>.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified qualified name
* contains an illegal character.
* <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
* malformed.
* @since DOM Level 2
*/
public DocumentType createDocumentType(String qualifiedName,
String publicId,
String systemId)
throws DOMException;
/**
* Creates an XML <code>Document</code> object of the specified type with
* its document element. HTML-only DOM implementations do not need to
* implement this method.
* @param namespaceURIThe namespace URI of the document element to create.
* @param qualifiedNameThe qualified name of the document element to be
* created.
* @param doctypeThe type of document to be created or <code>null</code>.
* When <code>doctype</code> is not <code>null</code>, its
* <code>Node.ownerDocument</code> attribute is set to the document
* being created.
* @return A new <code>Document</code> object.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified qualified name
* contains an illegal character.
* <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
* malformed, if the <code>qualifiedName</code> has a prefix and the
* <code>namespaceURI</code> is <code>null</code>, or if the
* <code>qualifiedName</code> has a prefix that is "xml" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/XML/1998/namespace" .
* <br>WRONG_DOCUMENT_ERR: Raised if <code>doctype</code> has already
* been used with a different document or was created from a different
* implementation.
* @since DOM Level 2
*/
public Document createDocument(String namespaceURI,
String qualifiedName,
DocumentType doctype)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>Document</code> interface represents the entire HTML or XML
* document. Conceptually, it is the root of the document tree, and provides
* the primary access to the document's data.
* <p>Since elements, text nodes, comments, processing instructions, etc.
* cannot exist outside the context of a <code>Document</code>, the
* <code>Document</code> interface also contains the factory methods needed
* to create these objects. The <code>Node</code> objects created have a
* <code>ownerDocument</code> attribute which associates them with the
* <code>Document</code> within whose context they were created.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Document extends Node {
/**
* The Document Type Declaration (see <code>DocumentType</code>)
* associated with this document. For HTML documents as well as XML
* documents without a document type declaration this returns
* <code>null</code>. The DOM Level 2 does not support editing the
* Document Type Declaration. <code>docType</code> cannot be altered in
* any way, including through the use of methods inherited from the
* <code>Node</code> interface, such as <code>insertNode</code> or
* <code>removeNode</code>.
*/
public DocumentType getDoctype();
/**
* The <code>DOMImplementation</code> object that handles this document. A
* DOM application may use objects from multiple implementations.
*/
public DOMImplementation getImplementation();
/**
* This is a convenience attribute that allows direct access to the child
* node that is the root element of the document. For HTML documents,
* this is the element with the tagName "HTML".
*/
public Element getDocumentElement();
/**
* Creates an element of the type specified. Note that the instance
* returned implements the <code>Element</code> interface, so attributes
* can be specified directly on the returned object.
* <br>In addition, if there are known attributes with default values,
* <code>Attr</code> nodes representing them are automatically created
* and attached to the element.
* <br>To create an element with a qualified name and namespace URI, use
* the <code>createElementNS</code> method.
* @param tagNameThe name of the element type to instantiate. For XML,
* this is case-sensitive. For HTML, the <code>tagName</code>
* parameter may be provided in any case, but it must be mapped to the
* canonical uppercase form by the DOM implementation.
* @return A new <code>Element</code> object with the
* <code>nodeName</code> attribute set to <code>tagName</code>, and
* <code>localName</code>, <code>prefix</code>, and
* <code>namespaceURI</code> set to <code>null</code>.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name contains an
* illegal character.
*/
public Element createElement(String tagName)
throws DOMException;
/**
* Creates an empty <code>DocumentFragment</code> object.
* @return A new <code>DocumentFragment</code>.
*/
public DocumentFragment createDocumentFragment();
/**
* Creates a <code>Text</code> node given the specified string.
* @param dataThe data for the node.
* @return The new <code>Text</code> object.
*/
public Text createTextNode(String data);
/**
* Creates a <code>Comment</code> node given the specified string.
* @param dataThe data for the node.
* @return The new <code>Comment</code> object.
*/
public Comment createComment(String data);
/**
* Creates a <code>CDATASection</code> node whose value is the specified
* string.
* @param dataThe data for the <code>CDATASection</code> contents.
* @return The new <code>CDATASection</code> object.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public CDATASection createCDATASection(String data)
throws DOMException;
/**
* Creates a <code>ProcessingInstruction</code> node given the specified
* name and data strings.
* @param targetThe target part of the processing instruction.
* @param dataThe data for the node.
* @return The new <code>ProcessingInstruction</code> object.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified target contains an
* illegal character.
* <br>NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public ProcessingInstruction createProcessingInstruction(String target,
String data)
throws DOMException;
/**
* Creates an <code>Attr</code> of the given name. Note that the
* <code>Attr</code> instance can then be set on an <code>Element</code>
* using the <code>setAttributeNode</code> method.
* <br>To create an attribute with a qualified name and namespace URI, use
* the <code>createAttributeNS</code> method.
* @param nameThe name of the attribute.
* @return A new <code>Attr</code> object with the <code>nodeName</code>
* attribute set to <code>name</code>, and <code>localName</code>,
* <code>prefix</code>, and <code>namespaceURI</code> set to
* <code>null</code>. The value of the attribute is the empty string.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name contains an
* illegal character.
*/
public Attr createAttribute(String name)
throws DOMException;
/**
* Creates an <code>EntityReference</code> object. In addition, if the
* referenced entity is known, the child list of the
* <code>EntityReference</code> node is made the same as that of the
* corresponding <code>Entity</code> node.If any descendant of the
* <code>Entity</code> node has an unbound namespace prefix, the
* corresponding descendant of the created <code>EntityReference</code>
* node is also unbound; (its <code>namespaceURI</code> is
* <code>null</code>). The DOM Level 2 does not support any mechanism to
* resolve namespace prefixes.
* @param nameThe name of the entity to reference.
* @return The new <code>EntityReference</code> object.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name contains an
* illegal character.
* <br>NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
*/
public EntityReference createEntityReference(String name)
throws DOMException;
/**
* Returns a <code>NodeList</code> of all the <code>Elements</code> with a
* given tag name in the order in which they are encountered in a
* preorder traversal of the <code>Document</code> tree.
* @param tagnameThe name of the tag to match on. The special value "*"
* matches all tags.
* @return A new <code>NodeList</code> object containing all the matched
* <code>Elements</code>.
*/
public NodeList getElementsByTagName(String tagname);
/**
* Imports a node from another document to this document. The returned
* node has no parent; (<code>parentNode</code> is <code>null</code>).
* The source node is not altered or removed from the original document;
* this method creates a new copy of the source node.
* <br>For all nodes, importing a node creates a node object owned by the
* importing document, with attribute values identical to the source
* node's <code>nodeName</code> and <code>nodeType</code>, plus the
* attributes related to namespaces (<code>prefix</code>,
* <code>localName</code>, and <code>namespaceURI</code>). As in the
* <code>cloneNode</code> operation on a <code>Node</code>, the source
* node is not altered.
* <br>Additional information is copied as appropriate to the
* <code>nodeType</code>, attempting to mirror the behavior expected if
* a fragment of XML or HTML source was copied from one document to
* another, recognizing that the two documents may have different DTDs
* in the XML case. The following list describes the specifics for each
* type of node.
* <dl>
* <dt>ATTRIBUTE_NODE</dt>
* <dd>The <code>ownerElement</code> attribute
* is set to <code>null</code> and the <code>specified</code> flag is
* set to <code>true</code> on the generated <code>Attr</code>. The
* descendants of the source <code>Attr</code> are recursively imported
* and the resulting nodes reassembled to form the corresponding subtree.
* Note that the <code>deep</code> parameter has no effect on
* <code>Attr</code> nodes; they always carry their children with them
* when imported.</dd>
* <dt>DOCUMENT_FRAGMENT_NODE</dt>
* <dd>If the <code>deep</code> option
* was set to <code>true</code>, the descendants of the source element
* are recursively imported and the resulting nodes reassembled to form
* the corresponding subtree. Otherwise, this simply generates an empty
* <code>DocumentFragment</code>.</dd>
* <dt>DOCUMENT_NODE</dt>
* <dd><code>Document</code>
* nodes cannot be imported.</dd>
* <dt>DOCUMENT_TYPE_NODE</dt>
* <dd><code>DocumentType</code>
* nodes cannot be imported.</dd>
* <dt>ELEMENT_NODE</dt>
* <dd>Specified attribute nodes of the
* source element are imported, and the generated <code>Attr</code>
* nodes are attached to the generated <code>Element</code>. Default
* attributes are not copied, though if the document being imported into
* defines default attributes for this element name, those are assigned.
* If the <code>importNode</code> <code>deep</code> parameter was set to
* <code>true</code>, the descendants of the source element are
* recursively imported and the resulting nodes reassembled to form the
* corresponding subtree.</dd>
* <dt>ENTITY_NODE</dt>
* <dd><code>Entity</code> nodes can be
* imported, however in the current release of the DOM the
* <code>DocumentType</code> is readonly. Ability to add these imported
* nodes to a <code>DocumentType</code> will be considered for addition
* to a future release of the DOM.On import, the <code>publicId</code>,
* <code>systemId</code>, and <code>notationName</code> attributes are
* copied. If a <code>deep</code> import is requested, the descendants
* of the the source <code>Entity</code> are recursively imported and
* the resulting nodes reassembled to form the corresponding subtree.</dd>
* <dt>
* ENTITY_REFERENCE_NODE</dt>
* <dd>Only the <code>EntityReference</code> itself is
* copied, even if a <code>deep</code> import is requested, since the
* source and destination documents might have defined the entity
* differently. If the document being imported into provides a
* definition for this entity name, its value is assigned.</dd>
* <dt>NOTATION_NODE</dt>
* <dd>
* <code>Notation</code> nodes can be imported, however in the current
* release of the DOM the <code>DocumentType</code> is readonly. Ability
* to add these imported nodes to a <code>DocumentType</code> will be
* considered for addition to a future release of the DOM.On import, the
* <code>publicId</code> and <code>systemId</code> attributes are copied.
* Note that the <code>deep</code> parameter has no effect on
* <code>Notation</code> nodes since they never have any children.</dd>
* <dt>
* PROCESSING_INSTRUCTION_NODE</dt>
* <dd>The imported node copies its
* <code>target</code> and <code>data</code> values from those of the
* source node.</dd>
* <dt>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE</dt>
* <dd>These three
* types of nodes inheriting from <code>CharacterData</code> copy their
* <code>data</code> and <code>length</code> attributes from those of
* the source node.</dd>
*
* @param importedNodeThe node to import.
* @param deepIf <code>true</code>, recursively import the subtree under
* the specified node; if <code>false</code>, import only the node
* itself, as explained above. This has no effect on <code>Attr</code>
* , <code>EntityReference</code>, and <code>Notation</code> nodes.
* @return The imported node that belongs to this <code>Document</code>.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the type of node being imported is not
* supported.
* @since DOM Level 2
*/
public Node importNode(Node importedNode,
boolean deep)
throws DOMException;
/**
* Creates an element of the given qualified name and namespace URI.
* HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the element to create.
* @param qualifiedNameThe qualified name of the element type to
* instantiate.
* @return A new <code>Element</code> object with the following
* attributes:AttributeValue<code>Node.nodeName</code>
* <code>qualifiedName</code><code>Node.namespaceURI</code>
* <code>namespaceURI</code><code>Node.prefix</code>prefix, extracted
* from <code>qualifiedName</code>, or <code>null</code> if there is
* no prefix<code>Node.localName</code>local name, extracted from
* <code>qualifiedName</code><code>Element.tagName</code>
* <code>qualifiedName</code>
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified qualified name
* contains an illegal character.
* <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
* malformed, if the <code>qualifiedName</code> has a prefix and the
* <code>namespaceURI</code> is <code>null</code>, or if the
* <code>qualifiedName</code> has a prefix that is "xml" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/XML/1998/namespace" .
* @since DOM Level 2
*/
public Element createElementNS(String namespaceURI,
String qualifiedName)
throws DOMException;
/**
* Creates an attribute of the given qualified name and namespace URI.
* HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to create.
* @param qualifiedNameThe qualified name of the attribute to instantiate.
* @return A new <code>Attr</code> object with the following attributes:
* AttributeValue<code>Node.nodeName</code>qualifiedName
* <code>Node.namespaceURI</code><code>namespaceURI</code>
* <code>Node.prefix</code>prefix, extracted from
* <code>qualifiedName</code>, or <code>null</code> if there is no
* prefix<code>Node.localName</code>local name, extracted from
* <code>qualifiedName</code><code>Attr.name</code>
* <code>qualifiedName</code><code>Node.nodeValue</code>the empty
* string
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified qualified name
* contains an illegal character.
* <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
* malformed, if the <code>qualifiedName</code> has a prefix and the
* <code>namespaceURI</code> is <code>null</code>, if the
* <code>qualifiedName</code> has a prefix that is "xml" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/XML/1998/namespace", or if the
* <code>qualifiedName</code> is "xmlns" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/2000/xmlns/".
* @since DOM Level 2
*/
public Attr createAttributeNS(String namespaceURI,
String qualifiedName)
throws DOMException;
/**
* Returns a <code>NodeList</code> of all the <code>Elements</code> with a
* given local name and namespace URI in the order in which they are
* encountered in a preorder traversal of the <code>Document</code> tree.
* @param namespaceURIThe namespace URI of the elements to match on. The
* special value "*" matches all namespaces.
* @param localNameThe local name of the elements to match on. The
* special value "*" matches all local names.
* @return A new <code>NodeList</code> object containing all the matched
* <code>Elements</code>.
* @since DOM Level 2
*/
public NodeList getElementsByTagNameNS(String namespaceURI,
String localName);
/**
* Returns the <code>Element</code> whose <code>ID</code> is given by
* <code>elementId</code>. If no such element exists, returns
* <code>null</code>. Behavior is not defined if more than one element
* has this <code>ID</code>. The DOM implementation must have
* information that says which attributes are of type ID. Attributes
* with the name "ID" are not of type ID unless so defined.
* Implementations that do not know whether attributes are of type ID or
* not are expected to return <code>null</code>.
* @param elementIdThe unique <code>id</code> value for an element.
* @return The matching element.
* @since DOM Level 2
*/
public Element getElementById(String elementId);
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* <code>DocumentFragment</code> is a "lightweight" or "minimal"
* <code>Document</code> object. It is very common to want to be able to
* extract a portion of a document's tree or to create a new fragment of a
* document. Imagine implementing a user command like cut or rearranging a
* document by moving fragments around. It is desirable to have an object
* which can hold such fragments and it is quite natural to use a Node for
* this purpose. While it is true that a <code>Document</code> object could
* fulfill this role, a <code>Document</code> object can potentially be a
* heavyweight object, depending on the underlying implementation. What is
* really needed for this is a very lightweight object.
* <code>DocumentFragment</code> is such an object.
* <p>Furthermore, various operations -- such as inserting nodes as children
* of another <code>Node</code> -- may take <code>DocumentFragment</code>
* objects as arguments; this results in all the child nodes of the
* <code>DocumentFragment</code> being moved to the child list of this node.
* <p>The children of a <code>DocumentFragment</code> node are zero or more
* nodes representing the tops of any sub-trees defining the structure of
* the document. <code>DocumentFragment</code> nodes do not need to be
* well-formed XML documents (although they do need to follow the rules
* imposed upon well-formed XML parsed entities, which can have multiple top
* nodes). For example, a <code>DocumentFragment</code> might have only one
* child and that child node could be a <code>Text</code> node. Such a
* structure model represents neither an HTML document nor a well-formed XML
* document.
* <p>When a <code>DocumentFragment</code> is inserted into a
* <code>Document</code> (or indeed any other <code>Node</code> that may
* take children) the children of the <code>DocumentFragment</code> and not
* the <code>DocumentFragment</code> itself are inserted into the
* <code>Node</code>. This makes the <code>DocumentFragment</code> very
* useful when the user wishes to create nodes that are siblings; the
* <code>DocumentFragment</code> acts as the parent of these nodes so that
* the user can use the standard methods from the <code>Node</code>
* interface, such as <code>insertBefore</code> and <code>appendChild</code>.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface DocumentFragment extends Node {
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* Each <code>Document</code> has a <code>doctype</code> attribute whose value
* is either <code>null</code> or a <code>DocumentType</code> object. The
* <code>DocumentType</code> interface in the DOM Core provides an interface
* to the list of entities that are defined for the document, and little
* else because the effect of namespaces and the various XML schema efforts
* on DTD representation are not clearly understood as of this writing.
* <p>The DOM Level 2 doesn't support editing <code>DocumentType</code> nodes.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface DocumentType extends Node {
/**
* The name of DTD; i.e., the name immediately following the
* <code>DOCTYPE</code> keyword.
*/
public String getName();
/**
* A <code>NamedNodeMap</code> containing the general entities, both
* external and internal, declared in the DTD. Parameter entities are
* not contained. Duplicates are discarded. For example in:
* <pre>&lt;!DOCTYPE
* ex SYSTEM "ex.dtd" [ &lt;!ENTITY foo "foo"&gt; &lt;!ENTITY bar
* "bar"&gt; &lt;!ENTITY bar "bar2"&gt; &lt;!ENTITY % baz "baz"&gt;
* ]&gt; &lt;ex/&gt;</pre>
* the interface provides access to <code>foo</code>
* and the first declaration of <code>bar</code> but not the second
* declaration of <code>bar</code> or <code>baz</code>. Every node in
* this map also implements the <code>Entity</code> interface.
* <br>The DOM Level 2 does not support editing entities, therefore
* <code>entities</code> cannot be altered in any way.
*/
public NamedNodeMap getEntities();
/**
* A <code>NamedNodeMap</code> containing the notations declared in the
* DTD. Duplicates are discarded. Every node in this map also implements
* the <code>Notation</code> interface.
* <br>The DOM Level 2 does not support editing notations, therefore
* <code>notations</code> cannot be altered in any way.
*/
public NamedNodeMap getNotations();
/**
* The public identifier of the external subset.
* @since DOM Level 2
*/
public String getPublicId();
/**
* The system identifier of the external subset.
* @since DOM Level 2
*/
public String getSystemId();
/**
* The internal subset as a string.The actual content returned depends on
* how much information is available to the implementation. This may
* vary depending on various parameters, including the XML processor
* used to build the document.
* @since DOM Level 2
*/
public String getInternalSubset();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>Element</code> interface represents an element in an HTML or XML
* document. Elements may have attributes associated with them; since the
* <code>Element</code> interface inherits from <code>Node</code>, the
* generic <code>Node</code> interface attribute <code>attributes</code> may
* be used to retrieve the set of all attributes for an element. There are
* methods on the <code>Element</code> interface to retrieve either an
* <code>Attr</code> object by name or an attribute value by name. In XML,
* where an attribute value may contain entity references, an
* <code>Attr</code> object should be retrieved to examine the possibly
* fairly complex sub-tree representing the attribute value. On the other
* hand, in HTML, where all attributes have simple string values, methods to
* directly access an attribute value can safely be used as a convenience.In
* DOM Level 2, the method <code>normalize</code> is inherited from the
* <code>Node</code> interface where it was moved.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Element extends Node {
/**
* The name of the element. For example, in:
* <pre> &lt;elementExample
* id="demo"&gt; ... &lt;/elementExample&gt; , </pre>
* <code>tagName</code> has
* the value <code>"elementExample"</code>. Note that this is
* case-preserving in XML, as are all of the operations of the DOM. The
* HTML DOM returns the <code>tagName</code> of an HTML element in the
* canonical uppercase form, regardless of the case in the source HTML
* document.
*/
public String getTagName();
/**
* Retrieves an attribute value by name.
* @param nameThe name of the attribute to retrieve.
* @return The <code>Attr</code> value as a string, or the empty string
* if that attribute does not have a specified or default value.
*/
public String getAttribute(String name);
/**
* Adds a new attribute. If an attribute with that name is already present
* in the element, its value is changed to be that of the value
* parameter. This value is a simple string; it is not parsed as it is
* being set. So any markup (such as syntax to be recognized as an
* entity reference) is treated as literal text, and needs to be
* appropriately escaped by the implementation when it is written out.
* In order to assign an attribute value that contains entity
* references, the user must create an <code>Attr</code> node plus any
* <code>Text</code> and <code>EntityReference</code> nodes, build the
* appropriate subtree, and use <code>setAttributeNode</code> to assign
* it as the value of an attribute.
* <br>To set an attribute with a qualified name and namespace URI, use
* the <code>setAttributeNS</code> method.
* @param nameThe name of the attribute to create or alter.
* @param valueValue to set in string form.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified name contains an
* illegal character.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void setAttribute(String name,
String value)
throws DOMException;
/**
* Removes an attribute by name. If the removed attribute is known to have
* a default value, an attribute immediately appears containing the
* default value as well as the corresponding namespace URI, local name,
* and prefix when applicable.
* <br>To remove an attribute by local name and namespace URI, use the
* <code>removeAttributeNS</code> method.
* @param nameThe name of the attribute to remove.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public void removeAttribute(String name)
throws DOMException;
/**
* Retrieves an attribute node by name.
* <br>To retrieve an attribute node by qualified name and namespace URI,
* use the <code>getAttributeNodeNS</code> method.
* @param nameThe name (<code>nodeName</code>) of the attribute to
* retrieve.
* @return The <code>Attr</code> node with the specified name (
* <code>nodeName</code>) or <code>null</code> if there is no such
* attribute.
*/
public Attr getAttributeNode(String name);
/**
* Adds a new attribute node. If an attribute with that name (
* <code>nodeName</code>) is already present in the element, it is
* replaced by the new one.
* <br>To add a new attribute node with a qualified name and namespace
* URI, use the <code>setAttributeNodeNS</code> method.
* @param newAttrThe <code>Attr</code> node to add to the attribute list.
* @return If the <code>newAttr</code> attribute replaces an existing
* attribute, the replaced <code>Attr</code> node is returned,
* otherwise <code>null</code> is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>newAttr</code> was created from a
* different document than the one that created the element.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if <code>newAttr</code> is already an
* attribute of another <code>Element</code> object. The DOM user must
* explicitly clone <code>Attr</code> nodes to re-use them in other
* elements.
*/
public Attr setAttributeNode(Attr newAttr)
throws DOMException;
/**
* Removes the specified attribute node. If the removed <code>Attr</code>
* has a default value it is immediately replaced. The replacing
* attribute has the same namespace URI and local name, as well as the
* original prefix, when applicable.
* @param oldAttrThe <code>Attr</code> node to remove from the attribute
* list.
* @return The <code>Attr</code> node that was removed.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>NOT_FOUND_ERR: Raised if <code>oldAttr</code> is not an attribute
* of the element.
*/
public Attr removeAttributeNode(Attr oldAttr)
throws DOMException;
/**
* Returns a <code>NodeList</code> of all descendant <code>Elements</code>
* with a given tag name, in the order in which they are encountered in
* a preorder traversal of this <code>Element</code> tree.
* @param nameThe name of the tag to match on. The special value "*"
* matches all tags.
* @return A list of matching <code>Element</code> nodes.
*/
public NodeList getElementsByTagName(String name);
/**
* Retrieves an attribute value by local name and namespace URI. HTML-only
* DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to retrieve.
* @param localNameThe local name of the attribute to retrieve.
* @return The <code>Attr</code> value as a string, or the empty string
* if that attribute does not have a specified or default value.
* @since DOM Level 2
*/
public String getAttributeNS(String namespaceURI,
String localName);
/**
* Adds a new attribute. If an attribute with the same local name and
* namespace URI is already present on the element, its prefix is
* changed to be the prefix part of the <code>qualifiedName</code>, and
* its value is changed to be the <code>value</code> parameter. This
* value is a simple string; it is not parsed as it is being set. So any
* markup (such as syntax to be recognized as an entity reference) is
* treated as literal text, and needs to be appropriately escaped by the
* implementation when it is written out. In order to assign an
* attribute value that contains entity references, the user must create
* an <code>Attr</code> node plus any <code>Text</code> and
* <code>EntityReference</code> nodes, build the appropriate subtree,
* and use <code>setAttributeNodeNS</code> or
* <code>setAttributeNode</code> to assign it as the value of an
* attribute.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to create or
* alter.
* @param qualifiedNameThe qualified name of the attribute to create or
* alter.
* @param valueThe value to set in string form.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified qualified name
* contains an illegal character.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
* malformed, if the <code>qualifiedName</code> has a prefix and the
* <code>namespaceURI</code> is <code>null</code>, if the
* <code>qualifiedName</code> has a prefix that is "xml" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/XML/1998/namespace", or if the
* <code>qualifiedName</code> is "xmlns" and the
* <code>namespaceURI</code> is different from "
* http://www.w3.org/2000/xmlns/".
* @since DOM Level 2
*/
public void setAttributeNS(String namespaceURI,
String qualifiedName,
String value)
throws DOMException;
/**
* Removes an attribute by local name and namespace URI. If the removed
* attribute has a default value it is immediately replaced. The
* replacing attribute has the same namespace URI and local name, as
* well as the original prefix.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to remove.
* @param localNameThe local name of the attribute to remove.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* @since DOM Level 2
*/
public void removeAttributeNS(String namespaceURI,
String localName)
throws DOMException;
/**
* Retrieves an <code>Attr</code> node by local name and namespace URI.
* HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to retrieve.
* @param localNameThe local name of the attribute to retrieve.
* @return The <code>Attr</code> node with the specified attribute local
* name and namespace URI or <code>null</code> if there is no such
* attribute.
* @since DOM Level 2
*/
public Attr getAttributeNodeNS(String namespaceURI,
String localName);
/**
* Adds a new attribute. If an attribute with that local name and that
* namespace URI is already present in the element, it is replaced by
* the new one.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param newAttrThe <code>Attr</code> node to add to the attribute list.
* @return If the <code>newAttr</code> attribute replaces an existing
* attribute with the same local name and namespace URI, the replaced
* <code>Attr</code> node is returned, otherwise <code>null</code> is
* returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>newAttr</code> was created from a
* different document than the one that created the element.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if <code>newAttr</code> is already an
* attribute of another <code>Element</code> object. The DOM user must
* explicitly clone <code>Attr</code> nodes to re-use them in other
* elements.
* @since DOM Level 2
*/
public Attr setAttributeNodeNS(Attr newAttr)
throws DOMException;
/**
* Returns a <code>NodeList</code> of all the descendant
* <code>Elements</code> with a given local name and namespace URI in
* the order in which they are encountered in a preorder traversal of
* this <code>Element</code> tree.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the elements to match on. The
* special value "*" matches all namespaces.
* @param localNameThe local name of the elements to match on. The
* special value "*" matches all local names.
* @return A new <code>NodeList</code> object containing all the matched
* <code>Elements</code>.
* @since DOM Level 2
*/
public NodeList getElementsByTagNameNS(String namespaceURI,
String localName);
/**
* Returns <code>true</code> when an attribute with a given name is
* specified on this element or has a default value, <code>false</code>
* otherwise.
* @param nameThe name of the attribute to look for.
* @return <code>true</code> if an attribute with the given name is
* specified on this element or has a default value, <code>false</code>
* otherwise.
* @since DOM Level 2
*/
public boolean hasAttribute(String name);
/**
* Returns <code>true</code> when an attribute with a given local name and
* namespace URI is specified on this element or has a default value,
* <code>false</code> otherwise. HTML-only DOM implementations do not
* need to implement this method.
* @param namespaceURIThe namespace URI of the attribute to look for.
* @param localNameThe local name of the attribute to look for.
* @return <code>true</code> if an attribute with the given local name
* and namespace URI is specified or has a default value on this
* element, <code>false</code> otherwise.
* @since DOM Level 2
*/
public boolean hasAttributeNS(String namespaceURI,
String localName);
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* This interface represents an entity, either parsed or unparsed, in an XML
* document. Note that this models the entity itself not the entity
* declaration. <code>Entity</code> declaration modeling has been left for a
* later Level of the DOM specification.
* <p>The <code>nodeName</code> attribute that is inherited from
* <code>Node</code> contains the name of the entity.
* <p>An XML processor may choose to completely expand entities before the
* structure model is passed to the DOM; in this case there will be no
* <code>EntityReference</code> nodes in the document tree.
* <p>XML does not mandate that a non-validating XML processor read and
* process entity declarations made in the external subset or declared in
* external parameter entities. This means that parsed entities declared in
* the external subset need not be expanded by some classes of applications,
* and that the replacement value of the entity may not be available. When
* the replacement value is available, the corresponding <code>Entity</code>
* node's child list represents the structure of that replacement text.
* Otherwise, the child list is empty.
* <p>The DOM Level 2 does not support editing <code>Entity</code> nodes; if a
* user wants to make changes to the contents of an <code>Entity</code>,
* every related <code>EntityReference</code> node has to be replaced in the
* structure model by a clone of the <code>Entity</code>'s contents, and
* then the desired changes must be made to each of those clones instead.
* <code>Entity</code> nodes and all their descendants are readonly.
* <p>An <code>Entity</code> node does not have any parent.If the entity
* contains an unbound namespace prefix, the <code>namespaceURI</code> of
* the corresponding node in the <code>Entity</code> node subtree is
* <code>null</code>. The same is true for <code>EntityReference</code>
* nodes that refer to this entity, when they are created using the
* <code>createEntityReference</code> method of the <code>Document</code>
* interface. The DOM Level 2 does not support any mechanism to resolve
* namespace prefixes.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Entity extends Node {
/**
* The public identifier associated with the entity, if specified. If the
* public identifier was not specified, this is <code>null</code>.
*/
public String getPublicId();
/**
* The system identifier associated with the entity, if specified. If the
* system identifier was not specified, this is <code>null</code>.
*/
public String getSystemId();
/**
* For unparsed entities, the name of the notation for the entity. For
* parsed entities, this is <code>null</code>.
*/
public String getNotationName();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* <code>EntityReference</code> objects may be inserted into the structure
* model when an entity reference is in the source document, or when the
* user wishes to insert an entity reference. Note that character references
* and references to predefined entities are considered to be expanded by
* the HTML or XML processor so that characters are represented by their
* Unicode equivalent rather than by an entity reference. Moreover, the XML
* processor may completely expand references to entities while building the
* structure model, instead of providing <code>EntityReference</code>
* objects. If it does provide such objects, then for a given
* <code>EntityReference</code> node, it may be that there is no
* <code>Entity</code> node representing the referenced entity. If such an
* <code>Entity</code> exists, then the subtree of the
* <code>EntityReference</code> node is in general a copy of the
* <code>Entity</code> node subtree. However, this may not be true when an
* entity contains an unbound namespace prefix. In such a case, because the
* namespace prefix resolution depends on where the entity reference is, the
* descendants of the <code>EntityReference</code> node may be bound to
* different namespace URIs.
* <p>As for <code>Entity</code> nodes, <code>EntityReference</code> nodes and
* all their descendants are readonly.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface EntityReference extends Node {
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* Objects implementing the <code>NamedNodeMap</code> interface are used to
* represent collections of nodes that can be accessed by name. Note that
* <code>NamedNodeMap</code> does not inherit from <code>NodeList</code>;
* <code>NamedNodeMaps</code> are not maintained in any particular order.
* Objects contained in an object implementing <code>NamedNodeMap</code> may
* also be accessed by an ordinal index, but this is simply to allow
* convenient enumeration of the contents of a <code>NamedNodeMap</code>,
* and does not imply that the DOM specifies an order to these Nodes.
* <p><code>NamedNodeMap</code> objects in the DOM are live.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface NamedNodeMap {
/**
* Retrieves a node specified by name.
* @param nameThe <code>nodeName</code> of a node to retrieve.
* @return A <code>Node</code> (of any type) with the specified
* <code>nodeName</code>, or <code>null</code> if it does not identify
* any node in this map.
*/
public Node getNamedItem(String name);
/**
* Adds a node using its <code>nodeName</code> attribute. If a node with
* that name is already present in this map, it is replaced by the new
* one.
* <br>As the <code>nodeName</code> attribute is used to derive the name
* which the node must be stored under, multiple nodes of certain types
* (those that have a "special" string value) cannot be stored as the
* names would clash. This is seen as preferable to allowing nodes to be
* aliased.
* @param argA node to store in this map. The node will later be
* accessible using the value of its <code>nodeName</code> attribute.
* @return If the new <code>Node</code> replaces an existing node the
* replaced <code>Node</code> is returned, otherwise <code>null</code>
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg</code> was created from a
* different document than the one that created this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if <code>arg</code> is an
* <code>Attr</code> that is already an attribute of another
* <code>Element</code> object. The DOM user must explicitly clone
* <code>Attr</code> nodes to re-use them in other elements.
*/
public Node setNamedItem(Node arg)
throws DOMException;
/**
* Removes a node specified by name. When this map contains the attributes
* attached to an element, if the removed attribute is known to have a
* default value, an attribute immediately appears containing the
* default value as well as the corresponding namespace URI, local name,
* and prefix when applicable.
* @param nameThe <code>nodeName</code> of the node to remove.
* @return The node removed from this map if a node with such a name
* exists.
* @exception DOMException
* NOT_FOUND_ERR: Raised if there is no node named <code>name</code> in
* this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
*/
public Node removeNamedItem(String name)
throws DOMException;
/**
* Returns the <code>index</code>th item in the map. If <code>index</code>
* is greater than or equal to the number of nodes in this map, this
* returns <code>null</code>.
* @param indexIndex into this map.
* @return The node at the <code>index</code>th position in the map, or
* <code>null</code> if that is not a valid index.
*/
public Node item(int index);
/**
* The number of nodes in this map. The range of valid child node indices
* is <code>0</code> to <code>length-1</code> inclusive.
*/
public int getLength();
/**
* Retrieves a node specified by local name and namespace URI. HTML-only
* DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the node to retrieve.
* @param localNameThe local name of the node to retrieve.
* @return A <code>Node</code> (of any type) with the specified local
* name and namespace URI, or <code>null</code> if they do not
* identify any node in this map.
* @since DOM Level 2
*/
public Node getNamedItemNS(String namespaceURI,
String localName);
/**
* Adds a node using its <code>namespaceURI</code> and
* <code>localName</code>. If a node with that namespace URI and that
* local name is already present in this map, it is replaced by the new
* one.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param argA node to store in this map. The node will later be
* accessible using the value of its <code>namespaceURI</code> and
* <code>localName</code> attributes.
* @return If the new <code>Node</code> replaces an existing node the
* replaced <code>Node</code> is returned, otherwise <code>null</code>
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg</code> was created from a
* different document than the one that created this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if <code>arg</code> is an
* <code>Attr</code> that is already an attribute of another
* <code>Element</code> object. The DOM user must explicitly clone
* <code>Attr</code> nodes to re-use them in other elements.
* @since DOM Level 2
*/
public Node setNamedItemNS(Node arg)
throws DOMException;
/**
* Removes a node specified by local name and namespace URI. A removed
* attribute may be known to have a default value when this map contains
* the attributes attached to an element, as returned by the attributes
* attribute of the <code>Node</code> interface. If so, an attribute
* immediately appears containing the default value as well as the
* corresponding namespace URI, local name, and prefix when applicable.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the node to remove.
* @param localNameThe local name of the node to remove.
* @return The node removed from this map if a node with such a local
* name and namespace URI exists.
* @exception DOMException
* NOT_FOUND_ERR: Raised if there is no node with the specified
* <code>namespaceURI</code> and <code>localName</code> in this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* @since DOM Level 2
*/
public Node removeNamedItemNS(String namespaceURI,
String localName)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>Node</code> interface is the primary datatype for the entire
* Document Object Model. It represents a single node in the document tree.
* While all objects implementing the <code>Node</code> interface expose
* methods for dealing with children, not all objects implementing the
* <code>Node</code> interface may have children. For example,
* <code>Text</code> nodes may not have children, and adding children to
* such nodes results in a <code>DOMException</code> being raised.
* <p>The attributes <code>nodeName</code>, <code>nodeValue</code> and
* <code>attributes</code> are included as a mechanism to get at node
* information without casting down to the specific derived interface. In
* cases where there is no obvious mapping of these attributes for a
* specific <code>nodeType</code> (e.g., <code>nodeValue</code> for an
* <code>Element</code> or <code>attributes</code> for a <code>Comment</code>
* ), this returns <code>null</code>. Note that the specialized interfaces
* may contain additional and more convenient mechanisms to get and set the
* relevant information.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Node {
// NodeType
/**
* The node is an <code>Element</code>.
*/
public static final short ELEMENT_NODE = 1;
/**
* The node is an <code>Attr</code>.
*/
public static final short ATTRIBUTE_NODE = 2;
/**
* The node is a <code>Text</code> node.
*/
public static final short TEXT_NODE = 3;
/**
* The node is a <code>CDATASection</code>.
*/
public static final short CDATA_SECTION_NODE = 4;
/**
* The node is an <code>EntityReference</code>.
*/
public static final short ENTITY_REFERENCE_NODE = 5;
/**
* The node is an <code>Entity</code>.
*/
public static final short ENTITY_NODE = 6;
/**
* The node is a <code>ProcessingInstruction</code>.
*/
public static final short PROCESSING_INSTRUCTION_NODE = 7;
/**
* The node is a <code>Comment</code>.
*/
public static final short COMMENT_NODE = 8;
/**
* The node is a <code>Document</code>.
*/
public static final short DOCUMENT_NODE = 9;
/**
* The node is a <code>DocumentType</code>.
*/
public static final short DOCUMENT_TYPE_NODE = 10;
/**
* The node is a <code>DocumentFragment</code>.
*/
public static final short DOCUMENT_FRAGMENT_NODE = 11;
/**
* The node is a <code>Notation</code>.
*/
public static final short NOTATION_NODE = 12;
/**
* The name of this node, depending on its type; see the table above.
*/
public String getNodeName();
/**
* The value of this node, depending on its type; see the table above.
* When it is defined to be <code>null</code>, setting it has no effect.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
* @exception DOMException
* DOMSTRING_SIZE_ERR: Raised when it would return more characters than
* fit in a <code>DOMString</code> variable on the implementation
* platform.
*/
public String getNodeValue()
throws DOMException;
public void setNodeValue(String nodeValue)
throws DOMException;
/**
* A code representing the type of the underlying object, as defined above.
*/
public short getNodeType();
/**
* The parent of this node. All nodes, except <code>Attr</code>,
* <code>Document</code>, <code>DocumentFragment</code>,
* <code>Entity</code>, and <code>Notation</code> may have a parent.
* However, if a node has just been created and not yet added to the
* tree, or if it has been removed from the tree, this is
* <code>null</code>.
*/
public Node getParentNode();
/**
* A <code>NodeList</code> that contains all children of this node. If
* there are no children, this is a <code>NodeList</code> containing no
* nodes.
*/
public NodeList getChildNodes();
/**
* The first child of this node. If there is no such node, this returns
* <code>null</code>.
*/
public Node getFirstChild();
/**
* The last child of this node. If there is no such node, this returns
* <code>null</code>.
*/
public Node getLastChild();
/**
* The node immediately preceding this node. If there is no such node,
* this returns <code>null</code>.
*/
public Node getPreviousSibling();
/**
* The node immediately following this node. If there is no such node,
* this returns <code>null</code>.
*/
public Node getNextSibling();
/**
* A <code>NamedNodeMap</code> containing the attributes of this node (if
* it is an <code>Element</code>) or <code>null</code> otherwise.
*/
public NamedNodeMap getAttributes();
/**
* The <code>Document</code> object associated with this node. This is
* also the <code>Document</code> object used to create new nodes. When
* this node is a <code>Document</code> or a <code>DocumentType</code>
* which is not used with any <code>Document</code> yet, this is
* <code>null</code>.
* @version DOM Level 2
*/
public Document getOwnerDocument();
/**
* Inserts the node <code>newChild</code> before the existing child node
* <code>refChild</code>. If <code>refChild</code> is <code>null</code>,
* insert <code>newChild</code> at the end of the list of children.
* <br>If <code>newChild</code> is a <code>DocumentFragment</code> object,
* all of its children are inserted, in the same order, before
* <code>refChild</code>. If the <code>newChild</code> is already in the
* tree, it is first removed.
* @param newChildThe node to insert.
* @param refChildThe reference node, i.e., the node before which the new
* node must be inserted.
* @return The node being inserted.
* @exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not
* allow children of the type of the <code>newChild</code> node, or if
* the node to insert is one of this node's ancestors.
* <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
* from a different document than the one that created this node.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly or
* if the parent of the node being inserted is readonly.
* <br>NOT_FOUND_ERR: Raised if <code>refChild</code> is not a child of
* this node.
*/
public Node insertBefore(Node newChild,
Node refChild)
throws DOMException;
/**
* Replaces the child node <code>oldChild</code> with <code>newChild</code>
* in the list of children, and returns the <code>oldChild</code> node.
* <br>If <code>newChild</code> is a <code>DocumentFragment</code> object,
* <code>oldChild</code> is replaced by all of the
* <code>DocumentFragment</code> children, which are inserted in the
* same order. If the <code>newChild</code> is already in the tree, it
* is first removed.
* @param newChildThe new node to put in the child list.
* @param oldChildThe node being replaced in the list.
* @return The node replaced.
* @exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not
* allow children of the type of the <code>newChild</code> node, or if
* the node to put in is one of this node's ancestors.
* <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
* from a different document than the one that created this node.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the parent of
* the new node is readonly.
* <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of
* this node.
*/
public Node replaceChild(Node newChild,
Node oldChild)
throws DOMException;
/**
* Removes the child node indicated by <code>oldChild</code> from the list
* of children, and returns it.
* @param oldChildThe node being removed.
* @return The node removed.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of
* this node.
*/
public Node removeChild(Node oldChild)
throws DOMException;
/**
* Adds the node <code>newChild</code> to the end of the list of children
* of this node. If the <code>newChild</code> is already in the tree, it
* is first removed.
* @param newChildThe node to add.If it is a <code>DocumentFragment</code>
* object, the entire contents of the document fragment are moved
* into the child list of this node
* @return The node added.
* @exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not
* allow children of the type of the <code>newChild</code> node, or if
* the node to append is one of this node's ancestors.
* <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
* from a different document than the one that created this node.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public Node appendChild(Node newChild)
throws DOMException;
/**
* Returns whether this node has any children.
* @return <code>true</code> if this node has any children,
* <code>false</code> otherwise.
*/
public boolean hasChildNodes();
/**
* Returns a duplicate of this node, i.e., serves as a generic copy
* constructor for nodes. The duplicate node has no parent; (
* <code>parentNode</code> is <code>null</code>.).
* <br>Cloning an <code>Element</code> copies all attributes and their
* values, including those generated by the XML processor to represent
* defaulted attributes, but this method does not copy any text it
* contains unless it is a deep clone, since the text is contained in a
* child <code>Text</code> node. Cloning an <code>Attribute</code>
* directly, as opposed to be cloned as part of an <code>Element</code>
* cloning operation, returns a specified attribute (
* <code>specified</code> is <code>true</code>). Cloning any other type
* of node simply returns a copy of this node.
* <br>Note that cloning an immutable subtree results in a mutable copy,
* but the children of an <code>EntityReference</code> clone are readonly
* . In addition, clones of unspecified <code>Attr</code> nodes are
* specified. And, cloning <code>Document</code>,
* <code>DocumentType</code>, <code>Entity</code>, and
* <code>Notation</code> nodes is implementation dependent.
* @param deepIf <code>true</code>, recursively clone the subtree under
* the specified node; if <code>false</code>, clone only the node
* itself (and its attributes, if it is an <code>Element</code>).
* @return The duplicate node.
*/
public Node cloneNode(boolean deep);
/**
* Puts all <code>Text</code> nodes in the full depth of the sub-tree
* underneath this <code>Node</code>, including attribute nodes, into a
* "normal" form where only structure (e.g., elements, comments,
* processing instructions, CDATA sections, and entity references)
* separates <code>Text</code> nodes, i.e., there are neither adjacent
* <code>Text</code> nodes nor empty <code>Text</code> nodes. This can
* be used to ensure that the DOM view of a document is the same as if
* it were saved and re-loaded, and is useful when operations (such as
* XPointer lookups) that depend on a particular document tree
* structure are to be used.In cases where the document contains
* <code>CDATASections</code>, the normalize operation alone may not be
* sufficient, since XPointers do not differentiate between
* <code>Text</code> nodes and <code>CDATASection</code> nodes.
* @version DOM Level 2
*/
public void normalize();
/**
* Tests whether the DOM implementation implements a specific feature and
* that feature is supported by this node.
* @param featureThe name of the feature to test. This is the same name
* which can be passed to the method <code>hasFeature</code> on
* <code>DOMImplementation</code>.
* @param versionThis is the version number of the feature to test. In
* Level 2, version 1, this is the string "2.0". If the version is not
* specified, supporting any version of the feature will cause the
* method to return <code>true</code>.
* @return Returns <code>true</code> if the specified feature is
* supported on this node, <code>false</code> otherwise.
* @since DOM Level 2
*/
public boolean isSupported(String feature,
String version);
/**
* The namespace URI of this node, or <code>null</code> if it is
* unspecified.
* <br>This is not a computed value that is the result of a namespace
* lookup based on an examination of the namespace declarations in
* scope. It is merely the namespace URI given at creation time.
* <br>For nodes of any type other than <code>ELEMENT_NODE</code> and
* <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1
* method, such as <code>createElement</code> from the
* <code>Document</code> interface, this is always <code>null</code>.Per
* the Namespaces in XML Specification an attribute does not inherit
* its namespace from the element it is attached to. If an attribute is
* not explicitly given a namespace, it simply has no namespace.
* @since DOM Level 2
*/
public String getNamespaceURI();
/**
* The namespace prefix of this node, or <code>null</code> if it is
* unspecified.
* <br>Note that setting this attribute, when permitted, changes the
* <code>nodeName</code> attribute, which holds the qualified name, as
* well as the <code>tagName</code> and <code>name</code> attributes of
* the <code>Element</code> and <code>Attr</code> interfaces, when
* applicable.
* <br>Note also that changing the prefix of an attribute that is known to
* have a default value, does not make a new attribute with the default
* value and the original prefix appear, since the
* <code>namespaceURI</code> and <code>localName</code> do not change.
* <br>For nodes of any type other than <code>ELEMENT_NODE</code> and
* <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1
* method, such as <code>createElement</code> from the
* <code>Document</code> interface, this is always <code>null</code>.
* @exception DOMException
* INVALID_CHARACTER_ERR: Raised if the specified prefix contains an
* illegal character.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* <br>NAMESPACE_ERR: Raised if the specified <code>prefix</code> is
* malformed, if the <code>namespaceURI</code> of this node is
* <code>null</code>, if the specified prefix is "xml" and the
* <code>namespaceURI</code> of this node is different from "
* http://www.w3.org/XML/1998/namespace", if this node is an attribute
* and the specified prefix is "xmlns" and the
* <code>namespaceURI</code> of this node is different from "
* http://www.w3.org/2000/xmlns/", or if this node is an attribute and
* the <code>qualifiedName</code> of this node is "xmlns" .
* @since DOM Level 2
*/
public String getPrefix();
public void setPrefix(String prefix)
throws DOMException;
/**
* Returns the local part of the qualified name of this node.
* <br>For nodes of any type other than <code>ELEMENT_NODE</code> and
* <code>ATTRIBUTE_NODE</code> and nodes created with a DOM Level 1
* method, such as <code>createElement</code> from the
* <code>Document</code> interface, this is always <code>null</code>.
* @since DOM Level 2
*/
public String getLocalName();
/**
* Returns whether this node (if it is an element) has any attributes.
* @return <code>true</code> if this node has any attributes,
* <code>false</code> otherwise.
* @since DOM Level 2
*/
public boolean hasAttributes();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>NodeList</code> interface provides the abstraction of an ordered
* collection of nodes, without defining or constraining how this collection
* is implemented. <code>NodeList</code> objects in the DOM are live.
* <p>The items in the <code>NodeList</code> are accessible via an integral
* index, starting from 0.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface NodeList {
/**
* Returns the <code>index</code>th item in the collection. If
* <code>index</code> is greater than or equal to the number of nodes in
* the list, this returns <code>null</code>.
* @param indexIndex into the collection.
* @return The node at the <code>index</code>th position in the
* <code>NodeList</code>, or <code>null</code> if that is not a valid
* index.
*/
public Node item(int index);
/**
* The number of nodes in the list. The range of valid child node indices
* is 0 to <code>length-1</code> inclusive.
*/
public int getLength();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* This interface represents a notation declared in the DTD. A notation either
* declares, by name, the format of an unparsed entity (see section 4.7 of
* the XML 1.0 specification ), or is used for formal declaration of
* processing instruction targets (see section 2.6 of the XML 1.0
* specification ). The <code>nodeName</code> attribute inherited from
* <code>Node</code> is set to the declared name of the notation.
* <p>The DOM Level 1 does not support editing <code>Notation</code> nodes;
* they are therefore readonly.
* <p>A <code>Notation</code> node does not have any parent.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Notation extends Node {
/**
* The public identifier of this notation. If the public identifier was
* not specified, this is <code>null</code>.
*/
public String getPublicId();
/**
* The system identifier of this notation. If the system identifier was
* not specified, this is <code>null</code>.
*/
public String getSystemId();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>ProcessingInstruction</code> interface represents a "processing
* instruction", used in XML as a way to keep processor-specific information
* in the text of the document.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface ProcessingInstruction extends Node {
/**
* The target of this processing instruction. XML defines this as being
* the first token following the markup that begins the processing
* instruction.
*/
public String getTarget();
/**
* The content of this processing instruction. This is from the first non
* white space character after the target to the character immediately
* preceding the <code>?&gt;</code>.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
*/
public String getData();
public void setData(String data)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* The <code>Text</code> interface inherits from <code>CharacterData</code>
* and represents the textual content (termed character data in XML) of an
* <code>Element</code> or <code>Attr</code>. If there is no markup inside
* an element's content, the text is contained in a single object
* implementing the <code>Text</code> interface that is the only child of
* the element. If there is markup, it is parsed into the information items
* (elements, comments, etc.) and <code>Text</code> nodes that form the list
* of children of the element.
* <p>When a document is first made available via the DOM, there is only one
* <code>Text</code> node for each block of text. Users may create adjacent
* <code>Text</code> nodes that represent the contents of a given element
* without any intervening markup, but should be aware that there is no way
* to represent the separations between these nodes in XML or HTML, so they
* will not (in general) persist between DOM editing sessions. The
* <code>normalize()</code> method on <code>Node</code> merges any such
* adjacent <code>Text</code> objects into a single node for each block of
* text.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface Text extends CharacterData {
/**
* Breaks this node into two nodes at the specified <code>offset</code>,
* keeping both in the tree as siblings. After being split, this node
* will contain all the content up to the <code>offset</code> point. A
* new node of the same type, which contains all the content at and
* after the <code>offset</code> point, is returned. If the original
* node had a parent node, the new node is inserted as the next sibling
* of the original node. When the <code>offset</code> is equal to the
* length of this node, the new node has no data.
* @param offsetThe 16-bit unit offset at which to split, starting from
* <code>0</code>.
* @return The new node, of the same type as this node.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
* than the number of 16-bit units in <code>data</code>.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
*/
public Text splitText(int offset)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.ranges;
/**
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface DocumentRange {
/**
* This interface can be obtained from the object implementing the
* <code>Document</code> interface using binding-specific casting
* methods.
* @return The initial state of the Range returned from this method is
* such that both of its boundary-points are positioned at the
* beginning of the corresponding Document, before any content. The
* Range returned can only be used to select content associated with
* this Document, or with DocumentFragments and Attrs for which this
* Document is the <code>ownerDocument</code>.
*/
public Range createRange();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.ranges;
import org.w3c.dom.Node;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.DOMException;
/**
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface Range {
/**
* Node within which the Range begins
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public Node getStartContainer()
throws DOMException;
/**
* Offset within the starting node of the Range.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public int getStartOffset()
throws DOMException;
/**
* Node within which the Range ends
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public Node getEndContainer()
throws DOMException;
/**
* Offset within the ending node of the Range.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public int getEndOffset()
throws DOMException;
/**
* TRUE if the Range is collapsed
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public boolean getCollapsed()
throws DOMException;
/**
* The deepest common ancestor container of the Range's two
* boundary-points.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public Node getCommonAncestorContainer()
throws DOMException;
/**
* Sets the attributes describing the start of the Range.
* @param refNodeThe <code>refNode</code> value. This parameter must be
* different from <code>null</code>.
* @param offsetThe <code>startOffset</code> value.
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if <code>refNode</code> or an ancestor
* of <code>refNode</code> is an Entity, Notation, or DocumentType
* node.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if <code>offset</code> is negative or greater
* than the number of child units in <code>refNode</code>. Child units
* are 16-bit units if <code>refNode</code> is a type of CharacterData
* node (e.g., a Text or Comment node) or a ProcessingInstruction
* node. Child units are Nodes in all other cases.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public void setStart(Node refNode,
int offset)
throws RangeException, DOMException;
/**
* Sets the attributes describing the end of a Range.
* @param refNodeThe <code>refNode</code> value. This parameter must be
* different from <code>null</code>.
* @param offsetThe <code>endOffset</code> value.
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if <code>refNode</code> or an ancestor
* of <code>refNode</code> is an Entity, Notation, or DocumentType
* node.
* @exception DOMException
* INDEX_SIZE_ERR: Raised if <code>offset</code> is negative or greater
* than the number of child units in <code>refNode</code>. Child units
* are 16-bit units if <code>refNode</code> is a type of CharacterData
* node (e.g., a Text or Comment node) or a ProcessingInstruction
* node. Child units are Nodes in all other cases.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public void setEnd(Node refNode,
int offset)
throws RangeException, DOMException;
/**
* Sets the start position to be before a node
* @param refNodeRange starts before <code>refNode</code>
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if the root container of
* <code>refNode</code> is not an Attr, Document, or DocumentFragment
* node or if <code>refNode</code> is a Document, DocumentFragment,
* Attr, Entity, or Notation node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void setStartBefore(Node refNode)
throws RangeException, DOMException;
/**
* Sets the start position to be after a node
* @param refNodeRange starts after <code>refNode</code>
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if the root container of
* <code>refNode</code> is not an Attr, Document, or DocumentFragment
* node or if <code>refNode</code> is a Document, DocumentFragment,
* Attr, Entity, or Notation node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void setStartAfter(Node refNode)
throws RangeException, DOMException;
/**
* Sets the end position to be before a node.
* @param refNodeRange ends before <code>refNode</code>
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if the root container of
* <code>refNode</code> is not an Attr, Document, or DocumentFragment
* node or if <code>refNode</code> is a Document, DocumentFragment,
* Attr, Entity, or Notation node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void setEndBefore(Node refNode)
throws RangeException, DOMException;
/**
* Sets the end of a Range to be after a node
* @param refNodeRange ends after <code>refNode</code>.
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if the root container of
* <code>refNode</code> is not an Attr, Document or DocumentFragment
* node or if <code>refNode</code> is a Document, DocumentFragment,
* Attr, Entity, or Notation node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void setEndAfter(Node refNode)
throws RangeException, DOMException;
/**
* Collapse a Range onto one of its boundary-points
* @param toStartIf TRUE, collapses the Range onto its start; if FALSE,
* collapses it onto its end.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void collapse(boolean toStart)
throws DOMException;
/**
* Select a node and its contents
* @param refNodeThe node to select.
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if an ancestor of <code>refNode</code>
* is an Entity, Notation or DocumentType node or if
* <code>refNode</code> is a Document, DocumentFragment, Attr, Entity,
* or Notation node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void selectNode(Node refNode)
throws RangeException, DOMException;
/**
* Select the contents within a node
* @param refNodeNode to select from
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if <code>refNode</code> or an ancestor
* of <code>refNode</code> is an Entity, Notation or DocumentType node.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void selectNodeContents(Node refNode)
throws RangeException, DOMException;
// CompareHow
/**
* Compare start boundary-point of <code>sourceRange</code> to start
* boundary-point of Range on which <code>compareBoundaryPoints</code>
* is invoked.
*/
public static final short START_TO_START = 0;
/**
* Compare start boundary-point of <code>sourceRange</code> to end
* boundary-point of Range on which <code>compareBoundaryPoints</code>
* is invoked.
*/
public static final short START_TO_END = 1;
/**
* Compare end boundary-point of <code>sourceRange</code> to end
* boundary-point of Range on which <code>compareBoundaryPoints</code>
* is invoked.
*/
public static final short END_TO_END = 2;
/**
* Compare end boundary-point of <code>sourceRange</code> to start
* boundary-point of Range on which <code>compareBoundaryPoints</code>
* is invoked.
*/
public static final short END_TO_START = 3;
/**
* Compare the boundary-points of two Ranges in a document.
* @param howA code representing the type of comparison, as defined above.
* @param sourceRangeThe <code>Range</code> on which this current
* <code>Range</code> is compared to.
* @return -1, 0 or 1 depending on whether the corresponding
* boundary-point of the Range is respectively before, equal to, or
* after the corresponding boundary-point of <code>sourceRange</code>.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if the two Ranges are not in the same
* Document or DocumentFragment.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public short compareBoundaryPoints(short how,
Range sourceRange)
throws DOMException;
/**
* Removes the contents of a Range from the containing document or
* document fragment without returning a reference to the removed
* content.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if any portion of the content of
* the Range is read-only or any of the nodes that contain any of the
* content of the Range are read-only.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public void deleteContents()
throws DOMException;
/**
* Moves the contents of a Range from the containing document or document
* fragment to a new DocumentFragment.
* @return A DocumentFragment containing the extracted contents.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if any portion of the content of
* the Range is read-only or any of the nodes which contain any of the
* content of the Range are read-only.
* <br>HIERARCHY_REQUEST_ERR: Raised if a DocumentType node would be
* extracted into the new DocumentFragment.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public DocumentFragment extractContents()
throws DOMException;
/**
* Duplicates the contents of a Range
* @return A DocumentFragment that contains content equivalent to this
* Range.
* @exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if a DocumentType node would be
* extracted into the new DocumentFragment.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
*/
public DocumentFragment cloneContents()
throws DOMException;
/**
* Inserts a node into the Document or DocumentFragment at the start of
* the Range. If the container is a Text node, this will be split at the
* start of the Range (as if the Text node's splitText method was
* performed at the insertion point) and the insertion will occur
* between the two resulting Text nodes. Adjacent Text nodes will not be
* automatically merged. If the node to be inserted is a
* DocumentFragment node, the children will be inserted rather than the
* DocumentFragment node itself.
* @param newNodeThe node to insert at the start of the Range
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if an ancestor container of the
* start of the Range is read-only.
* <br>WRONG_DOCUMENT_ERR: Raised if <code>newNode</code> and the
* container of the start of the Range were not created from the same
* document.
* <br>HIERARCHY_REQUEST_ERR: Raised if the container of the start of
* the Range is of a type that does not allow children of the type of
* <code>newNode</code> or if <code>newNode</code> is an ancestor of
* the container.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
* @exception RangeException
* INVALID_NODE_TYPE_ERR: Raised if <code>newNode</code> is an Attr,
* Entity, Notation, or Document node.
*/
public void insertNode(Node newNode)
throws DOMException, RangeException;
/**
* Reparents the contents of the Range to the given node and inserts the
* node at the position of the start of the Range.
* @param newParentThe node to surround the contents with.
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if an ancestor container of
* either boundary-point of the Range is read-only.
* <br>WRONG_DOCUMENT_ERR: Raised if <code> newParent</code> and the
* container of the start of the Range were not created from the same
* document.
* <br>HIERARCHY_REQUEST_ERR: Raised if the container of the start of
* the Range is of a type that does not allow children of the type of
* <code>newParent</code> or if <code>newParent</code> is an ancestor
* of the container or if <code>node</code> would end up with a child
* node of a type not allowed by the type of <code>node</code>.
* <br>INVALID_STATE_ERR: Raised if <code>detach()</code> has already
* been invoked on this object.
* @exception RangeException
* BAD_BOUNDARYPOINTS_ERR: Raised if the Range partially selects a
* non-text node.
* <br>INVALID_NODE_TYPE_ERR: Raised if <code> node</code> is an Attr,
* Entity, DocumentType, Notation, Document, or DocumentFragment node.
*/
public void surroundContents(Node newParent)
throws DOMException, RangeException;
/**
* Produces a new Range whose boundary-points are equal to the
* boundary-points of the Range.
* @return The duplicated Range.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public Range cloneRange()
throws DOMException;
/**
* Returns the contents of a Range as a string. This string contains only
* the data characters, not any markup.
* @return The contents of the Range.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public String toString()
throws DOMException;
/**
* Called to indicate that the Range is no longer in use and that the
* implementation may relinquish any resources associated with this
* Range. Subsequent calls to any methods or attribute getters on this
* Range will result in a <code>DOMException</code> being thrown with an
* error code of <code>INVALID_STATE_ERR</code>.
* @exception DOMException
* INVALID_STATE_ERR: Raised if <code>detach()</code> has already been
* invoked on this object.
*/
public void detach()
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.ranges;
/**
* Range operations may throw a <code>RangeException</code> as specified in
* their method descriptions.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public class RangeException extends RuntimeException {
public RangeException(short code, String message) {
super(message);
this.code = code;
}
public short code;
// RangeExceptionCode
/**
* If the boundary-points of a Range do not meet specific requirements.
*/
public static final short BAD_BOUNDARYPOINTS_ERR = 1;
/**
* If the container of an boundary-point of a Range is being set to either
* a node of an invalid type or a node with an ancestor of an invalid
* type.
*/
public static final short INVALID_NODE_TYPE_ERR = 2;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.traversal;
import org.w3c.dom.Node;
import org.w3c.dom.DOMException;
/**
* <code>DocumentTraversal</code> contains methods that create iterators and
* tree-walkers to traverse a node and its children in document order (depth
* first, pre-order traversal, which is equivalent to the order in which the
* start tags occur in the text representation of the document). In DOMs
* which support the Traversal feature, <code>DocumentTraversal</code> will
* be implemented by the same objects that implement the Document interface.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface DocumentTraversal {
/**
* Create a new <code>NodeIterator</code> over the subtree rooted at the
* specified node.
* @param rootThe node which will be iterated together with its children.
* The iterator is initially positioned just before this node. The
* <code>whatToShow</code> flags and the filter, if any, are not
* considered when setting this position. The root must not be
* <code>null</code>.
* @param whatToShowThis flag specifies which node types may appear in
* the logical view of the tree presented by the iterator. See the
* description of <code>NodeFilter</code> for the set of possible
* <code>SHOW_</code> values.These flags can be combined using
* <code>OR</code>.
* @param filterThe <code>NodeFilter</code> to be used with this
* <code>TreeWalker</code>, or <code>null</code> to indicate no filter.
* @param entityReferenceExpansionThe value of this flag determines
* whether entity reference nodes are expanded.
* @return The newly created <code>NodeIterator</code>.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the specified <code>root</code> is
* <code>null</code>.
*/
public NodeIterator createNodeIterator(Node root,
int whatToShow,
NodeFilter filter,
boolean entityReferenceExpansion)
throws DOMException;
/**
* Create a new <code>TreeWalker</code> over the subtree rooted at the
* specified node.
* @param rootThe node which will serve as the <code>root</code> for the
* <code>TreeWalker</code>. The <code>whatToShow</code> flags and the
* <code>NodeFilter</code> are not considered when setting this value;
* any node type will be accepted as the <code>root</code>. The
* <code>currentNode</code> of the <code>TreeWalker</code> is
* initialized to this node, whether or not it is visible. The
* <code>root</code> functions as a stopping point for traversal
* methods that look upward in the document structure, such as
* <code>parentNode</code> and nextNode. The <code>root</code> must
* not be <code>null</code>.
* @param whatToShowThis flag specifies which node types may appear in
* the logical view of the tree presented by the tree-walker. See the
* description of <code>NodeFilter</code> for the set of possible
* SHOW_ values.These flags can be combined using <code>OR</code>.
* @param filterThe <code>NodeFilter</code> to be used with this
* <code>TreeWalker</code>, or <code>null</code> to indicate no filter.
* @param entityReferenceExpansionIf this flag is false, the contents of
* <code>EntityReference</code> nodes are not presented in the logical
* view.
* @return The newly created <code>TreeWalker</code>.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if the specified <code>root</code> is
* <code>null</code>.
*/
public TreeWalker createTreeWalker(Node root,
int whatToShow,
NodeFilter filter,
boolean entityReferenceExpansion)
throws DOMException;
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.traversal;
import org.w3c.dom.Node;
/**
* Filters are objects that know how to "filter out" nodes. If a
* <code>NodeIterator</code> or <code>TreeWalker</code> is given a
* <code>NodeFilter</code>, it applies the filter before it returns the next
* node. If the filter says to accept the node, the traversal logic returns
* it; otherwise, traversal looks for the next node and pretends that the
* node that was rejected was not there.
* <p>The DOM does not provide any filters. <code>NodeFilter</code> is just an
* interface that users can implement to provide their own filters.
* <p><code>NodeFilters</code> do not need to know how to traverse from node
* to node, nor do they need to know anything about the data structure that
* is being traversed. This makes it very easy to write filters, since the
* only thing they have to know how to do is evaluate a single node. One
* filter may be used with a number of different kinds of traversals,
* encouraging code reuse.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface NodeFilter {
// Constants returned by acceptNode
/**
* Accept the node. Navigation methods defined for
* <code>NodeIterator</code> or <code>TreeWalker</code> will return this
* node.
*/
public static final short FILTER_ACCEPT = 1;
/**
* Reject the node. Navigation methods defined for
* <code>NodeIterator</code> or <code>TreeWalker</code> will not return
* this node. For <code>TreeWalker</code>, the children of this node
* will also be rejected. <code>NodeIterators</code> treat this as a
* synonym for <code>FILTER_SKIP</code>.
*/
public static final short FILTER_REJECT = 2;
/**
* Skip this single node. Navigation methods defined for
* <code>NodeIterator</code> or <code>TreeWalker</code> will not return
* this node. For both <code>NodeIterator</code> and
* <code>TreeWalker</code>, the children of this node will still be
* considered.
*/
public static final short FILTER_SKIP = 3;
// Constants for whatToShow
/**
* Show all <code>Nodes</code>.
*/
public static final int SHOW_ALL = 0xFFFFFFFF;
/**
* Show <code>Element</code> nodes.
*/
public static final int SHOW_ELEMENT = 0x00000001;
/**
* Show <code>Attr</code> nodes. This is meaningful only when creating an
* iterator or tree-walker with an attribute node as its
* <code>root</code>; in this case, it means that the attribute node
* will appear in the first position of the iteration or traversal.
* Since attributes are never children of other nodes, they do not
* appear when traversing over the document tree.
*/
public static final int SHOW_ATTRIBUTE = 0x00000002;
/**
* Show <code>Text</code> nodes.
*/
public static final int SHOW_TEXT = 0x00000004;
/**
* Show <code>CDATASection</code> nodes.
*/
public static final int SHOW_CDATA_SECTION = 0x00000008;
/**
* Show <code>EntityReference</code> nodes.
*/
public static final int SHOW_ENTITY_REFERENCE = 0x00000010;
/**
* Show <code>Entity</code> nodes. This is meaningful only when creating
* an iterator or tree-walker with an<code> Entity</code> node as its
* <code>root</code>; in this case, it means that the <code>Entity</code>
* node will appear in the first position of the traversal. Since
* entities are not part of the document tree, they do not appear when
* traversing over the document tree.
*/
public static final int SHOW_ENTITY = 0x00000020;
/**
* Show <code>ProcessingInstruction</code> nodes.
*/
public static final int SHOW_PROCESSING_INSTRUCTION = 0x00000040;
/**
* Show <code>Comment</code> nodes.
*/
public static final int SHOW_COMMENT = 0x00000080;
/**
* Show <code>Document</code> nodes.
*/
public static final int SHOW_DOCUMENT = 0x00000100;
/**
* Show <code>DocumentType</code> nodes.
*/
public static final int SHOW_DOCUMENT_TYPE = 0x00000200;
/**
* Show <code>DocumentFragment</code> nodes.
*/
public static final int SHOW_DOCUMENT_FRAGMENT = 0x00000400;
/**
* Show <code>Notation</code> nodes. This is meaningful only when creating
* an iterator or tree-walker with a <code>Notation</code> node as its
* <code>root</code>; in this case, it means that the
* <code>Notation</code> node will appear in the first position of the
* traversal. Since notations are not part of the document tree, they do
* not appear when traversing over the document tree.
*/
public static final int SHOW_NOTATION = 0x00000800;
/**
* Test whether a specified node is visible in the logical view of a
* <code>TreeWalker</code> or <code>NodeIterator</code>. This function
* will be called by the implementation of <code>TreeWalker</code> and
* <code>NodeIterator</code>; it is not normally called directly from
* user code. (Though you could do so if you wanted to use the same
* filter to guide your own application logic.)
* @param nThe node to check to see if it passes the filter or not.
* @return a constant to determine whether the node is accepted,
* rejected, or skipped, as defined above.
*/
public short acceptNode(Node n);
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.traversal;
import org.w3c.dom.Node;
import org.w3c.dom.DOMException;
/**
* <code>Iterators</code> are used to step through a set of nodes, e.g. the
* set of nodes in a <code>NodeList</code>, the document subtree governed by
* a particular <code>Node</code>, the results of a query, or any other set
* of nodes. The set of nodes to be iterated is determined by the
* implementation of the <code>NodeIterator</code>. DOM Level 2 specifies a
* single <code>NodeIterator</code> implementation for document-order
* traversal of a document subtree. Instances of these iterators are created
* by calling <code>DocumentTraversal</code>
* <code>.createNodeIterator()</code>.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface NodeIterator {
/**
* The root node of the <code>NodeIterator</code>, as specified when it
* was created.
*/
public Node getRoot();
/**
* This attribute determines which node types are presented via the
* iterator. The available set of constants is defined in the
* <code>NodeFilter</code> interface. Nodes not accepted by
* <code>whatToShow</code> will be skipped, but their children may still
* be considered. Note that this skip takes precedence over the filter,
* if any.
*/
public int getWhatToShow();
/**
* The <code>NodeFilter</code> used to screen nodes.
*/
public NodeFilter getFilter();
/**
* The value of this flag determines whether the children of entity
* reference nodes are visible to the iterator. If false, they and
* their descendants will be rejected. Note that this rejection takes
* precedence over <code>whatToShow</code> and the filter. Also note
* that this is currently the only situation where
* <code>NodeIterators</code> may reject a complete subtree rather than
* skipping individual nodes.
* <br>
* <br> To produce a view of the document that has entity references
* expanded and does not expose the entity reference node itself, use
* the <code>whatToShow</code> flags to hide the entity reference node
* and set <code>expandEntityReferences</code> to true when creating the
* iterator. To produce a view of the document that has entity reference
* nodes but no entity expansion, use the <code>whatToShow</code> flags
* to show the entity reference node and set
* <code>expandEntityReferences</code> to false.
*/
public boolean getExpandEntityReferences();
/**
* Returns the next node in the set and advances the position of the
* iterator in the set. After a <code>NodeIterator</code> is created,
* the first call to <code>nextNode()</code> returns the first node in
* the set.
* @return The next <code>Node</code> in the set being iterated over, or
* <code>null</code> if there are no more members in that set.
* @exception DOMException
* INVALID_STATE_ERR: Raised if this method is called after the
* <code>detach</code> method was invoked.
*/
public Node nextNode()
throws DOMException;
/**
* Returns the previous node in the set and moves the position of the
* <code>NodeIterator</code> backwards in the set.
* @return The previous <code>Node</code> in the set being iterated over,
* or <code>null</code> if there are no more members in that set.
* @exception DOMException
* INVALID_STATE_ERR: Raised if this method is called after the
* <code>detach</code> method was invoked.
*/
public Node previousNode()
throws DOMException;
/**
* Detaches the <code>NodeIterator</code> from the set which it iterated
* over, releasing any computational resources and placing the iterator
* in the INVALID state. After <code>detach</code> has been invoked,
* calls to <code>nextNode</code> or <code>previousNode</code> will
* raise the exception INVALID_STATE_ERR.
*/
public void detach();
}

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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom.traversal;
import org.w3c.dom.Node;
import org.w3c.dom.DOMException;
/**
* <code>TreeWalker</code> objects are used to navigate a document tree or
* subtree using the view of the document defined by their
* <code>whatToShow</code> flags and filter (if any). Any function which
* performs navigation using a <code>TreeWalker</code> will automatically
* support any view defined by a <code>TreeWalker</code>.
* <p>Omitting nodes from the logical view of a subtree can result in a
* structure that is substantially different from the same subtree in the
* complete, unfiltered document. Nodes that are siblings in the
* <code>TreeWalker</code> view may be children of different, widely
* separated nodes in the original view. For instance, consider a
* <code>NodeFilter</code> that skips all nodes except for Text nodes and
* the root node of a document. In the logical view that results, all text
* nodes will be siblings and appear as direct children of the root node, no
* matter how deeply nested the structure of the original document.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-Range-20001113'>Document Object Model (DOM) Level 2 Traversal and Range Specification</a>.
* @since DOM Level 2
*/
public interface TreeWalker {
/**
* The <code>root</code> node of the <code>TreeWalker</code>, as specified
* when it was created.
*/
public Node getRoot();
/**
* This attribute determines which node types are presented via the
* <code>TreeWalker</code>. The available set of constants is defined in
* the <code>NodeFilter</code> interface. Nodes not accepted by
* <code>whatToShow</code> will be skipped, but their children may still
* be considered. Note that this skip takes precedence over the filter,
* if any.
*/
public int getWhatToShow();
/**
* The filter used to screen nodes.
*/
public NodeFilter getFilter();
/**
* The value of this flag determines whether the children of entity
* reference nodes are visible to the <code>TreeWalker</code>. If false,
* they and their descendants will be rejected. Note that this
* rejection takes precedence over <code>whatToShow</code> and the
* filter, if any.
* <br> To produce a view of the document that has entity references
* expanded and does not expose the entity reference node itself, use
* the <code>whatToShow</code> flags to hide the entity reference node
* and set <code>expandEntityReferences</code> to true when creating the
* <code>TreeWalker</code>. To produce a view of the document that has
* entity reference nodes but no entity expansion, use the
* <code>whatToShow</code> flags to show the entity reference node and
* set <code>expandEntityReferences</code> to false.
*/
public boolean getExpandEntityReferences();
/**
* The node at which the <code>TreeWalker</code> is currently positioned.
* <br>Alterations to the DOM tree may cause the current node to no longer
* be accepted by the <code>TreeWalker</code>'s associated filter.
* <code>currentNode</code> may also be explicitly set to any node,
* whether or not it is within the subtree specified by the
* <code>root</code> node or would be accepted by the filter and
* <code>whatToShow</code> flags. Further traversal occurs relative to
* <code>currentNode</code> even if it is not part of the current view,
* by applying the filters in the requested direction; if no traversal
* is possible, <code>currentNode</code> is not changed.
* @exception DOMException
* NOT_SUPPORTED_ERR: Raised if an attempt is made to set
* <code>currentNode</code> to <code>null</code>.
*/
public Node getCurrentNode();
public void setCurrentNode(Node currentNode)
throws DOMException;
/**
* Moves to and returns the closest visible ancestor node of the current
* node. If the search for <code>parentNode</code> attempts to step
* upward from the <code>TreeWalker</code>'s <code>root</code> node, or
* if it fails to find a visible ancestor node, this method retains the
* current position and returns <code>null</code>.
* @return The new parent node, or <code>null</code> if the current node
* has no parent in the <code>TreeWalker</code>'s logical view.
*/
public Node parentNode();
/**
* Moves the <code>TreeWalker</code> to the first visible child of the
* current node, and returns the new node. If the current node has no
* visible children, returns <code>null</code>, and retains the current
* node.
* @return The new node, or <code>null</code> if the current node has no
* visible children in the <code>TreeWalker</code>'s logical view.
*/
public Node firstChild();
/**
* Moves the <code>TreeWalker</code> to the last visible child of the
* current node, and returns the new node. If the current node has no
* visible children, returns <code>null</code>, and retains the current
* node.
* @return The new node, or <code>null</code> if the current node has no
* children in the <code>TreeWalker</code>'s logical view.
*/
public Node lastChild();
/**
* Moves the <code>TreeWalker</code> to the previous sibling of the
* current node, and returns the new node. If the current node has no
* visible previous sibling, returns <code>null</code>, and retains the
* current node.
* @return The new node, or <code>null</code> if the current node has no
* previous sibling. in the <code>TreeWalker</code>'s logical view.
*/
public Node previousSibling();
/**
* Moves the <code>TreeWalker</code> to the next sibling of the current
* node, and returns the new node. If the current node has no visible
* next sibling, returns <code>null</code>, and retains the current node.
* @return The new node, or <code>null</code> if the current node has no
* next sibling. in the <code>TreeWalker</code>'s logical view.
*/
public Node nextSibling();
/**
* Moves the <code>TreeWalker</code> to the previous visible node in
* document order relative to the current node, and returns the new
* node. If the current node has no previous node, or if the search for
* <code>previousNode</code> attempts to step upward from the
* <code>TreeWalker</code>'s <code>root</code> node, returns
* <code>null</code>, and retains the current node.
* @return The new node, or <code>null</code> if the current node has no
* previous node in the <code>TreeWalker</code>'s logical view.
*/
public Node previousNode();
/**
* Moves the <code>TreeWalker</code> to the next visible node in document
* order relative to the current node, and returns the new node. If the
* current node has no next node, or if the search for nextNode attempts
* to step upward from the <code>TreeWalker</code>'s <code>root</code>
* node, returns <code>null</code>, and retains the current node.
* @return The new node, or <code>null</code> if the current node has no
* next node in the <code>TreeWalker</code>'s logical view.
*/
public Node nextNode();
}

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// SAX Attribute List Interface.
// No warranty; no copyright -- use this as you will.
// $Id: AttributeList.java,v 1.1 2000/10/02 02:43:16 sboag Exp $
package org.xml.sax;
/**
* Interface for an element's attribute specifications.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This is the original SAX1 interface for reporting an element's
* attributes. Unlike the new {@link org.xml.sax.Attributes Attributes}
* interface, it does not support Namespace-related information.</p>
*
* <p>When an attribute list is supplied as part of a
* {@link org.xml.sax.DocumentHandler#startElement startElement}
* event, the list will return valid results only during the
* scope of the event; once the event handler returns control
* to the parser, the attribute list is invalid. To save a
* persistent copy of the attribute list, use the SAX1
* {@link org.xml.sax.helpers.AttributeListImpl AttributeListImpl}
* helper class.</p>
*
* <p>An attribute list includes only attributes that have been
* specified or defaulted: #IMPLIED attributes will not be included.</p>
*
* <p>There are two ways for the SAX application to obtain information
* from the AttributeList. First, it can iterate through the entire
* list:</p>
*
* <pre>
* public void startElement (String name, AttributeList atts) {
* for (int i = 0; i < atts.getLength(); i++) {
* String name = atts.getName(i);
* String type = atts.getType(i);
* String value = atts.getValue(i);
* [...]
* }
* }
* </pre>
*
* <p>(Note that the result of getLength() will be zero if there
* are no attributes.)
*
* <p>As an alternative, the application can request the value or
* type of specific attributes:</p>
*
* <pre>
* public void startElement (String name, AttributeList atts) {
* String identifier = atts.getValue("id");
* String label = atts.getValue("label");
* [...]
* }
* </pre>
*
* @deprecated This interface has been replaced by the SAX2
* {@link org.xml.sax.Attributes Attributes}
* interface, which includes Namespace support.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.DocumentHandler#startElement startElement
* @see org.xml.sax.helpers.AttributeListImpl AttributeListImpl
*/
public interface AttributeList {
////////////////////////////////////////////////////////////////////
// Iteration methods.
////////////////////////////////////////////////////////////////////
/**
* Return the number of attributes in this list.
*
* <p>The SAX parser may provide attributes in any
* arbitrary order, regardless of the order in which they were
* declared or specified. The number of attributes may be
* zero.</p>
*
* @return The number of attributes in the list.
*/
public abstract int getLength ();
/**
* Return the name of an attribute in this list (by position).
*
* <p>The names must be unique: the SAX parser shall not include the
* same attribute twice. Attributes without values (those declared
* #IMPLIED without a value specified in the start tag) will be
* omitted from the list.</p>
*
* <p>If the attribute name has a namespace prefix, the prefix
* will still be attached.</p>
*
* @param i The index of the attribute in the list (starting at 0).
* @return The name of the indexed attribute, or null
* if the index is out of range.
* @see #getLength
*/
public abstract String getName (int i);
/**
* Return the type of an attribute in the list (by position).
*
* <p>The attribute type is one of the strings "CDATA", "ID",
* "IDREF", "IDREFS", "NMTOKEN", "NMTOKENS", "ENTITY", "ENTITIES",
* or "NOTATION" (always in upper case).</p>
*
* <p>If the parser has not read a declaration for the attribute,
* or if the parser does not report attribute types, then it must
* return the value "CDATA" as stated in the XML 1.0 Recommentation
* (clause 3.3.3, "Attribute-Value Normalization").</p>
*
* <p>For an enumerated attribute that is not a notation, the
* parser will report the type as "NMTOKEN".</p>
*
* @param i The index of the attribute in the list (starting at 0).
* @return The attribute type as a string, or
* null if the index is out of range.
* @see #getLength
* @see #getType(java.lang.String)
*/
public abstract String getType (int i);
/**
* Return the value of an attribute in the list (by position).
*
* <p>If the attribute value is a list of tokens (IDREFS,
* ENTITIES, or NMTOKENS), the tokens will be concatenated
* into a single string separated by whitespace.</p>
*
* @param i The index of the attribute in the list (starting at 0).
* @return The attribute value as a string, or
* null if the index is out of range.
* @see #getLength
* @see #getValue(java.lang.String)
*/
public abstract String getValue (int i);
////////////////////////////////////////////////////////////////////
// Lookup methods.
////////////////////////////////////////////////////////////////////
/**
* Return the type of an attribute in the list (by name).
*
* <p>The return value is the same as the return value for
* getType(int).</p>
*
* <p>If the attribute name has a namespace prefix in the document,
* the application must include the prefix here.</p>
*
* @param name The name of the attribute.
* @return The attribute type as a string, or null if no
* such attribute exists.
* @see #getType(int)
*/
public abstract String getType (String name);
/**
* Return the value of an attribute in the list (by name).
*
* <p>The return value is the same as the return value for
* getValue(int).</p>
*
* <p>If the attribute name has a namespace prefix in the document,
* the application must include the prefix here.</p>
*
* @param i The index of the attribute in the list.
* @return The attribute value as a string, or null if
* no such attribute exists.
* @see #getValue(int)
*/
public abstract String getValue (String name);
}
// end of AttributeList.java

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// Attributes.java - attribute list with Namespace support
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the public domain.
// $Id: Attributes.java,v 1.1 2000/10/02 02:43:16 sboag Exp $
package org.xml.sax;
/**
* Interface for a list of XML attributes.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This interface allows access to a list of attributes in
* three different ways:</p>
*
* <ol>
* <li>by attribute index;</li>
* <li>by Namespace-qualified name; or</li>
* <li>by qualified (prefixed) name.</li>
* </ol>
*
* <p>The list will not contain attributes that were declared
* #IMPLIED but not specified in the start tag. It will also not
* contain attributes used as Namespace declarations (xmlns*) unless
* the <code>http://xml.org/sax/features/namespace-prefixes</code>
* feature is set to <var>true</var> (it is <var>false</var> by
* default).</p>
*
* <p>If the namespace-prefixes feature (see above) is <var>false</var>,
* access by qualified name may not be available; if the
* <code>http://xml.org/sax/features/namespaces</code>
* feature is <var>false</var>, access by Namespace-qualified names
* may not be available.</p>
*
* <p>This interface replaces the now-deprecated SAX1 {@link
* org.xml.sax.AttributeList AttributeList} interface, which does not
* contain Namespace support. In addition to Namespace support, it
* adds the <var>getIndex</var> methods (below).</p>
*
* <p>The order of attributes in the list is unspecified, and will
* vary from implementation to implementation.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.helpers.AttributeListImpl
*/
public interface Attributes
{
////////////////////////////////////////////////////////////////////
// Indexed access.
////////////////////////////////////////////////////////////////////
/**
* Return the number of attributes in the list.
*
* <p>Once you know the number of attributes, you can iterate
* through the list.</p>
*
* @return The number of attributes in the list.
* @see #getURI(int)
* @see #getLocalName(int)
* @see #getQName(int)
* @see #getType(int)
* @see #getValue(int)
*/
public abstract int getLength ();
/**
* Look up an attribute's Namespace URI by index.
*
* @param index The attribute index (zero-based).
* @return The Namespace URI, or the empty string if none
* is available, or null if the index is out of
* range.
* @see #getLength
*/
public abstract String getURI (int index);
/**
* Look up an attribute's local name by index.
*
* @param index The attribute index (zero-based).
* @return The local name, or the empty string if Namespace
* processing is not being performed, or null
* if the index is out of range.
* @see #getLength
*/
public abstract String getLocalName (int index);
/**
* Look up an attribute's XML 1.0 qualified name by index.
*
* @param index The attribute index (zero-based).
* @return The XML 1.0 qualified name, or the empty string
* if none is available, or null if the index
* is out of range.
* @see #getLength
*/
public abstract String getQName (int index);
/**
* Look up an attribute's type by index.
*
* <p>The attribute type is one of the strings "CDATA", "ID",
* "IDREF", "IDREFS", "NMTOKEN", "NMTOKENS", "ENTITY", "ENTITIES",
* or "NOTATION" (always in upper case).</p>
*
* <p>If the parser has not read a declaration for the attribute,
* or if the parser does not report attribute types, then it must
* return the value "CDATA" as stated in the XML 1.0 Recommentation
* (clause 3.3.3, "Attribute-Value Normalization").</p>
*
* <p>For an enumerated attribute that is not a notation, the
* parser will report the type as "NMTOKEN".</p>
*
* @param index The attribute index (zero-based).
* @return The attribute's type as a string, or null if the
* index is out of range.
* @see #getLength
*/
public abstract String getType (int index);
/**
* Look up an attribute's value by index.
*
* <p>If the attribute value is a list of tokens (IDREFS,
* ENTITIES, or NMTOKENS), the tokens will be concatenated
* into a single string with each token separated by a
* single space.</p>
*
* @param index The attribute index (zero-based).
* @return The attribute's value as a string, or null if the
* index is out of range.
* @see #getLength
*/
public abstract String getValue (int index);
////////////////////////////////////////////////////////////////////
// Name-based query.
////////////////////////////////////////////////////////////////////
/**
* Look up the index of an attribute by Namespace name.
*
* @param uri The Namespace URI, or the empty string if
* the name has no Namespace URI.
* @param localName The attribute's local name.
* @return The index of the attribute, or -1 if it does not
* appear in the list.
*/
public int getIndex (String uri, String localPart);
/**
* Look up the index of an attribute by XML 1.0 qualified name.
*
* @param qName The qualified (prefixed) name.
* @return The index of the attribute, or -1 if it does not
* appear in the list.
*/
public int getIndex (String qName);
/**
* Look up an attribute's type by Namespace name.
*
* <p>See {@link #getType(int) getType(int)} for a description
* of the possible types.</p>
*
* @param uri The Namespace URI, or the empty String if the
* name has no Namespace URI.
* @param localName The local name of the attribute.
* @return The attribute type as a string, or null if the
* attribute is not in the list or if Namespace
* processing is not being performed.
*/
public abstract String getType (String uri, String localName);
/**
* Look up an attribute's type by XML 1.0 qualified name.
*
* <p>See {@link #getType(int) getType(int)} for a description
* of the possible types.</p>
*
* @param qName The XML 1.0 qualified name.
* @return The attribute type as a string, or null if the
* attribute is not in the list or if qualified names
* are not available.
*/
public abstract String getType (String qName);
/**
* Look up an attribute's value by Namespace name.
*
* <p>See {@link #getValue(int) getValue(int)} for a description
* of the possible values.</p>
*
* @param uri The Namespace URI, or the empty String if the
* name has no Namespace URI.
* @param localName The local name of the attribute.
* @return The attribute value as a string, or null if the
* attribute is not in the list.
*/
public abstract String getValue (String uri, String localName);
/**
* Look up an attribute's value by XML 1.0 qualified name.
*
* <p>See {@link #getValue(int) getValue(int)} for a description
* of the possible values.</p>
*
* @param qName The XML 1.0 qualified name.
* @return The attribute value as a string, or null if the
* attribute is not in the list or if qualified names
* are not available.
*/
public abstract String getValue (String qName);
}
// end of Attributes.java

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// ContentHandler.java - handle main document content.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the public domain.
// $Id: ContentHandler.java,v 1.1 2000/10/02 02:43:16 sboag Exp $
package org.xml.sax;
/**
* Receive notification of the logical content of a document.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This is the main interface that most SAX applications
* implement: if the application needs to be informed of basic parsing
* events, it implements this interface and registers an instance with
* the SAX parser using the {@link org.xml.sax.XMLReader#setContentHandler
* setContentHandler} method. The parser uses the instance to report
* basic document-related events like the start and end of elements
* and character data.</p>
*
* <p>The order of events in this interface is very important, and
* mirrors the order of information in the document itself. For
* example, all of an element's content (character data, processing
* instructions, and/or subelements) will appear, in order, between
* the startElement event and the corresponding endElement event.</p>
*
* <p>This interface is similar to the now-deprecated SAX 1.0
* DocumentHandler interface, but it adds support for Namespaces
* and for reporting skipped entities (in non-validating XML
* processors).</p>
*
* <p>Implementors should note that there is also a Java class
* {@link java.net.ContentHandler ContentHandler} in the java.net
* package; that means that it's probably a bad idea to do</p>
*
* <blockquote>
* import java.net.*;
* import org.xml.sax.*;
* </blockquote>
*
* <p>In fact, "import ...*" is usually a sign of sloppy programming
* anyway, so the user should consider this a feature rather than a
* bug.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.XMLReader
* @see org.xml.sax.DTDHandler
* @see org.xml.sax.ErrorHandler
*/
public interface ContentHandler
{
/**
* Receive an object for locating the origin of SAX document events.
*
* <p>SAX parsers are strongly encouraged (though not absolutely
* required) to supply a locator: if it does so, it must supply
* the locator to the application by invoking this method before
* invoking any of the other methods in the ContentHandler
* interface.</p>
*
* <p>The locator allows the application to determine the end
* position of any document-related event, even if the parser is
* not reporting an error. Typically, the application will
* use this information for reporting its own errors (such as
* character content that does not match an application's
* business rules). The information returned by the locator
* is probably not sufficient for use with a search engine.</p>
*
* <p>Note that the locator will return correct information only
* during the invocation of the events in this interface. The
* application should not attempt to use it at any other time.</p>
*
* @param locator An object that can return the location of
* any SAX document event.
* @see org.xml.sax.Locator
*/
public void setDocumentLocator (Locator locator);
/**
* Receive notification of the beginning of a document.
*
* <p>The SAX parser will invoke this method only once, before any
* other methods in this interface or in {@link org.xml.sax.DTDHandler
* DTDHandler} (except for {@link #setDocumentLocator
* setDocumentLocator}).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #endDocument
*/
public void startDocument ()
throws SAXException;
/**
* Receive notification of the end of a document.
*
* <p>The SAX parser will invoke this method only once, and it will
* be the last method invoked during the parse. The parser shall
* not invoke this method until it has either abandoned parsing
* (because of an unrecoverable error) or reached the end of
* input.</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #startDocument
*/
public void endDocument()
throws SAXException;
/**
* Begin the scope of a prefix-URI Namespace mapping.
*
* <p>The information from this event is not necessary for
* normal Namespace processing: the SAX XML reader will
* automatically replace prefixes for element and attribute
* names when the <code>http://xml.org/sax/features/namespaces</code>
* feature is <var>true</var> (the default).</p>
*
* <p>There are cases, however, when applications need to
* use prefixes in character data or in attribute values,
* where they cannot safely be expanded automatically; the
* start/endPrefixMapping event supplies the information
* to the application to expand prefixes in those contexts
* itself, if necessary.</p>
*
* <p>Note that start/endPrefixMapping events are not
* guaranteed to be properly nested relative to each-other:
* all startPrefixMapping events will occur before the
* corresponding {@link #startElement startElement} event,
* and all {@link #endPrefixMapping endPrefixMapping}
* events will occur after the corresponding {@link #endElement
* endElement} event, but their order is not otherwise
* guaranteed.</p>
*
* <p>There should never be start/endPrefixMapping events for the
* "xml" prefix, since it is predeclared and immutable.</p>
*
* @param prefix The Namespace prefix being declared.
* @param uri The Namespace URI the prefix is mapped to.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see #endPrefixMapping
* @see #startElement
*/
public void startPrefixMapping (String prefix, String uri)
throws SAXException;
/**
* End the scope of a prefix-URI mapping.
*
* <p>See {@link #startPrefixMapping startPrefixMapping} for
* details. This event will always occur after the corresponding
* {@link #endElement endElement} event, but the order of
* {@link #endPrefixMapping endPrefixMapping} events is not otherwise
* guaranteed.</p>
*
* @param prefix The prefix that was being mapping.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see #startPrefixMapping
* @see #endElement
*/
public void endPrefixMapping (String prefix)
throws SAXException;
/**
* Receive notification of the beginning of an element.
*
* <p>The Parser will invoke this method at the beginning of every
* element in the XML document; there will be a corresponding
* {@link #endElement endElement} event for every startElement event
* (even when the element is empty). All of the element's content will be
* reported, in order, before the corresponding endElement
* event.</p>
*
* <p>This event allows up to three name components for each
* element:</p>
*
* <ol>
* <li>the Namespace URI;</li>
* <li>the local name; and</li>
* <li>the qualified (prefixed) name.</li>
* </ol>
*
* <p>Any or all of these may be provided, depending on the
* values of the <var>http://xml.org/sax/features/namespaces</var>
* and the <var>http://xml.org/sax/features/namespace-prefixes</var>
* properties:</p>
*
* <ul>
* <li>the Namespace URI and local name are required when
* the namespaces property is <var>true</var> (the default), and are
* optional when the namespaces property is <var>false</var> (if one is
* specified, both must be);</li>
* <li>the qualified name is required when the namespace-prefixes property
* is <var>true</var>, and is optional when the namespace-prefixes property
* is <var>false</var> (the default).</li>
* </ul>
*
* <p>Note that the attribute list provided will contain only
* attributes with explicit values (specified or defaulted):
* #IMPLIED attributes will be omitted. The attribute list
* will contain attributes used for Namespace declarations
* (xmlns* attributes) only if the
* <code>http://xml.org/sax/features/namespace-prefixes</code>
* property is true (it is false by default, and support for a
* true value is optional).</p>
*
* @param uri The Namespace URI, or the empty string if the
* element has no Namespace URI or if Namespace
* processing is not being performed.
* @param localName The local name (without prefix), or the
* empty string if Namespace processing is not being
* performed.
* @param qName The qualified name (with prefix), or the
* empty string if qualified names are not available.
* @param atts The attributes attached to the element. If
* there are no attributes, it shall be an empty
* Attributes object.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #endElement
* @see org.xml.sax.Attributes
*/
public void startElement (String namespaceURI, String localName,
String qName, Attributes atts)
throws SAXException;
/**
* Receive notification of the end of an element.
*
* <p>The SAX parser will invoke this method at the end of every
* element in the XML document; there will be a corresponding
* {@link #startElement startElement} event for every endElement
* event (even when the element is empty).</p>
*
* <p>For information on the names, see startElement.</p>
*
* @param uri The Namespace URI, or the empty string if the
* element has no Namespace URI or if Namespace
* processing is not being performed.
* @param localName The local name (without prefix), or the
* empty string if Namespace processing is not being
* performed.
* @param qName The qualified XML 1.0 name (with prefix), or the
* empty string if qualified names are not available.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public void endElement (String namespaceURI, String localName,
String qName)
throws SAXException;
/**
* Receive notification of character data.
*
* <p>The Parser will call this method to report each chunk of
* character data. SAX parsers may return all contiguous character
* data in a single chunk, or they may split it into several
* chunks; however, all of the characters in any single event
* must come from the same external entity so that the Locator
* provides useful information.</p>
*
* <p>The application must not attempt to read from the array
* outside of the specified range.</p>
*
* <p>Note that some parsers will report whitespace in element
* content using the {@link #ignorableWhitespace ignorableWhitespace}
* method rather than this one (validating parsers <em>must</em>
* do so).</p>
*
* @param ch The characters from the XML document.
* @param start The start position in the array.
* @param length The number of characters to read from the array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #ignorableWhitespace
* @see org.xml.sax.Locator
*/
public void characters (char ch[], int start, int length)
throws SAXException;
/**
* Receive notification of ignorable whitespace in element content.
*
* <p>Validating Parsers must use this method to report each chunk
* of whitespace in element content (see the W3C XML 1.0 recommendation,
* section 2.10): non-validating parsers may also use this method
* if they are capable of parsing and using content models.</p>
*
* <p>SAX parsers may return all contiguous whitespace in a single
* chunk, or they may split it into several chunks; however, all of
* the characters in any single event must come from the same
* external entity, so that the Locator provides useful
* information.</p>
*
* <p>The application must not attempt to read from the array
* outside of the specified range.</p>
*
* @param ch The characters from the XML document.
* @param start The start position in the array.
* @param length The number of characters to read from the array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #characters
*/
public void ignorableWhitespace (char ch[], int start, int length)
throws SAXException;
/**
* Receive notification of a processing instruction.
*
* <p>The Parser will invoke this method once for each processing
* instruction found: note that processing instructions may occur
* before or after the main document element.</p>
*
* <p>A SAX parser must never report an XML declaration (XML 1.0,
* section 2.8) or a text declaration (XML 1.0, section 4.3.1)
* using this method.</p>
*
* @param target The processing instruction target.
* @param data The processing instruction data, or null if
* none was supplied. The data does not include any
* whitespace separating it from the target.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public void processingInstruction (String target, String data)
throws SAXException;
/**
* Receive notification of a skipped entity.
*
* <p>The Parser will invoke this method once for each entity
* skipped. Non-validating processors may skip entities if they
* have not seen the declarations (because, for example, the
* entity was declared in an external DTD subset). All processors
* may skip external entities, depending on the values of the
* <code>http://xml.org/sax/features/external-general-entities</code>
* and the
* <code>http://xml.org/sax/features/external-parameter-entities</code>
* properties.</p>
*
* @param name The name of the skipped entity. If it is a
* parameter entity, the name will begin with '%', and if
* it is the external DTD subset, it will be the string
* "[dtd]".
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public void skippedEntity (String name)
throws SAXException;
}
// end of ContentHandler.java

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// SAX DTD handler.
// No warranty; no copyright -- use this as you will.
// $Id: DTDHandler.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Receive notification of basic DTD-related events.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>If a SAX application needs information about notations and
* unparsed entities, then the application implements this
* interface and registers an instance with the SAX parser using
* the parser's setDTDHandler method. The parser uses the
* instance to report notation and unparsed entity declarations to
* the application.</p>
*
* <p>Note that this interface includes only those DTD events that
* the XML recommendation <em>requires</em> processors to report:
* notation and unparsed entity declarations.</p>
*
* <p>The SAX parser may report these events in any order, regardless
* of the order in which the notations and unparsed entities were
* declared; however, all DTD events must be reported after the
* document handler's startDocument event, and before the first
* startElement event.</p>
*
* <p>It is up to the application to store the information for
* future use (perhaps in a hash table or object tree).
* If the application encounters attributes of type "NOTATION",
* "ENTITY", or "ENTITIES", it can use the information that it
* obtained through this interface to find the entity and/or
* notation corresponding with the attribute value.</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser#setDTDHandler
* @see org.xml.sax.HandlerBase
*/
public interface DTDHandler {
/**
* Receive notification of a notation declaration event.
*
* <p>It is up to the application to record the notation for later
* reference, if necessary.</p>
*
* <p>At least one of publicId and systemId must be non-null.
* If a system identifier is present, and it is a URL, the SAX
* parser must resolve it fully before passing it to the
* application through this event.</p>
*
* <p>There is no guarantee that the notation declaration will be
* reported before any unparsed entities that use it.</p>
*
* @param name The notation name.
* @param publicId The notation's public identifier, or null if
* none was given.
* @param systemId The notation's system identifier, or null if
* none was given.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #unparsedEntityDecl
* @see org.xml.sax.AttributeList
*/
public abstract void notationDecl (String name,
String publicId,
String systemId)
throws SAXException;
/**
* Receive notification of an unparsed entity declaration event.
*
* <p>Note that the notation name corresponds to a notation
* reported by the {@link #notationDecl notationDecl} event.
* It is up to the application to record the entity for later
* reference, if necessary.</p>
*
* <p>If the system identifier is a URL, the parser must resolve it
* fully before passing it to the application.</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @param name The unparsed entity's name.
* @param publicId The entity's public identifier, or null if none
* was given.
* @param systemId The entity's system identifier.
* @param notation name The name of the associated notation.
* @see #notationDecl
* @see org.xml.sax.AttributeList
*/
public abstract void unparsedEntityDecl (String name,
String publicId,
String systemId,
String notationName)
throws SAXException;
}
// end of DTDHandler.java

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// SAX document handler.
// No warranty; no copyright -- use this as you will.
// $Id: DocumentHandler.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Receive notification of general document events.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This was the main event-handling interface for SAX1; in
* SAX2, it has been replaced by {@link org.xml.sax.ContentHandler
* ContentHandler}, which provides Namespace support and reporting
* of skipped entities. This interface is included in SAX2 only
* to support legacy SAX1 applications.</p>
*
* <p>The order of events in this interface is very important, and
* mirrors the order of information in the document itself. For
* example, all of an element's content (character data, processing
* instructions, and/or subelements) will appear, in order, between
* the startElement event and the corresponding endElement event.</p>
*
* <p>Application writers who do not want to implement the entire
* interface can derive a class from HandlerBase, which implements
* the default functionality; parser writers can instantiate
* HandlerBase to obtain a default handler. The application can find
* the location of any document event using the Locator interface
* supplied by the Parser through the setDocumentLocator method.</p>
*
* @deprecated This interface has been replaced by the SAX2
* {@link org.xml.sax.ContentHandler ContentHandler}
* interface, which includes Namespace support.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser#setDocumentHandler
* @see org.xml.sax.Locator
* @see org.xml.sax.HandlerBase
*/
public interface DocumentHandler {
/**
* Receive an object for locating the origin of SAX document events.
*
* <p>SAX parsers are strongly encouraged (though not absolutely
* required) to supply a locator: if it does so, it must supply
* the locator to the application by invoking this method before
* invoking any of the other methods in the DocumentHandler
* interface.</p>
*
* <p>The locator allows the application to determine the end
* position of any document-related event, even if the parser is
* not reporting an error. Typically, the application will
* use this information for reporting its own errors (such as
* character content that does not match an application's
* business rules). The information returned by the locator
* is probably not sufficient for use with a search engine.</p>
*
* <p>Note that the locator will return correct information only
* during the invocation of the events in this interface. The
* application should not attempt to use it at any other time.</p>
*
* @param locator An object that can return the location of
* any SAX document event.
* @see org.xml.sax.Locator
*/
public abstract void setDocumentLocator (Locator locator);
/**
* Receive notification of the beginning of a document.
*
* <p>The SAX parser will invoke this method only once, before any
* other methods in this interface or in DTDHandler (except for
* setDocumentLocator).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public abstract void startDocument ()
throws SAXException;
/**
* Receive notification of the end of a document.
*
* <p>The SAX parser will invoke this method only once, and it will
* be the last method invoked during the parse. The parser shall
* not invoke this method until it has either abandoned parsing
* (because of an unrecoverable error) or reached the end of
* input.</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public abstract void endDocument ()
throws SAXException;
/**
* Receive notification of the beginning of an element.
*
* <p>The Parser will invoke this method at the beginning of every
* element in the XML document; there will be a corresponding
* endElement() event for every startElement() event (even when the
* element is empty). All of the element's content will be
* reported, in order, before the corresponding endElement()
* event.</p>
*
* <p>If the element name has a namespace prefix, the prefix will
* still be attached. Note that the attribute list provided will
* contain only attributes with explicit values (specified or
* defaulted): #IMPLIED attributes will be omitted.</p>
*
* @param name The element type name.
* @param atts The attributes attached to the element, if any.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #endElement
* @see org.xml.sax.AttributeList
*/
public abstract void startElement (String name, AttributeList atts)
throws SAXException;
/**
* Receive notification of the end of an element.
*
* <p>The SAX parser will invoke this method at the end of every
* element in the XML document; there will be a corresponding
* startElement() event for every endElement() event (even when the
* element is empty).</p>
*
* <p>If the element name has a namespace prefix, the prefix will
* still be attached to the name.</p>
*
* @param name The element type name
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public abstract void endElement (String name)
throws SAXException;
/**
* Receive notification of character data.
*
* <p>The Parser will call this method to report each chunk of
* character data. SAX parsers may return all contiguous character
* data in a single chunk, or they may split it into several
* chunks; however, all of the characters in any single event
* must come from the same external entity, so that the Locator
* provides useful information.</p>
*
* <p>The application must not attempt to read from the array
* outside of the specified range.</p>
*
* <p>Note that some parsers will report whitespace using the
* ignorableWhitespace() method rather than this one (validating
* parsers must do so).</p>
*
* @param ch The characters from the XML document.
* @param start The start position in the array.
* @param length The number of characters to read from the array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #ignorableWhitespace
* @see org.xml.sax.Locator
*/
public abstract void characters (char ch[], int start, int length)
throws SAXException;
/**
* Receive notification of ignorable whitespace in element content.
*
* <p>Validating Parsers must use this method to report each chunk
* of ignorable whitespace (see the W3C XML 1.0 recommendation,
* section 2.10): non-validating parsers may also use this method
* if they are capable of parsing and using content models.</p>
*
* <p>SAX parsers may return all contiguous whitespace in a single
* chunk, or they may split it into several chunks; however, all of
* the characters in any single event must come from the same
* external entity, so that the Locator provides useful
* information.</p>
*
* <p>The application must not attempt to read from the array
* outside of the specified range.</p>
*
* @param ch The characters from the XML document.
* @param start The start position in the array.
* @param length The number of characters to read from the array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see #characters
*/
public abstract void ignorableWhitespace (char ch[], int start, int length)
throws SAXException;
/**
* Receive notification of a processing instruction.
*
* <p>The Parser will invoke this method once for each processing
* instruction found: note that processing instructions may occur
* before or after the main document element.</p>
*
* <p>A SAX parser should never report an XML declaration (XML 1.0,
* section 2.8) or a text declaration (XML 1.0, section 4.3.1)
* using this method.</p>
*
* @param target The processing instruction target.
* @param data The processing instruction data, or null if
* none was supplied.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
*/
public abstract void processingInstruction (String target, String data)
throws SAXException;
}
// end of DocumentHandler.java

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// SAX entity resolver.
// No warranty; no copyright -- use this as you will.
// $Id: EntityResolver.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
import java.io.IOException;
/**
* Basic interface for resolving entities.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>If a SAX application needs to implement customized handling
* for external entities, it must implement this interface and
* register an instance with the SAX driver using the
* {@link org.xml.sax.XMLReader#setEntityResolver setEntityResolver}
* method.</p>
*
* <p>The XML reader will then allow the application to intercept any
* external entities (including the external DTD subset and external
* parameter entities, if any) before including them.</p>
*
* <p>Many SAX applications will not need to implement this interface,
* but it will be especially useful for applications that build
* XML documents from databases or other specialised input sources,
* or for applications that use URI types other than URLs.</p>
*
* <p>The following resolver would provide the application
* with a special character stream for the entity with the system
* identifier "http://www.myhost.com/today":</p>
*
* <pre>
* import org.xml.sax.EntityResolver;
* import org.xml.sax.InputSource;
*
* public class MyResolver implements EntityResolver {
* public InputSource resolveEntity (String publicId, String systemId)
* {
* if (systemId.equals("http://www.myhost.com/today")) {
* // return a special input source
* MyReader reader = new MyReader();
* return new InputSource(reader);
* } else {
* // use the default behaviour
* return null;
* }
* }
* }
* </pre>
*
* <p>The application can also use this interface to redirect system
* identifiers to local URIs or to look up replacements in a catalog
* (possibly by using the public identifier).</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser#setEntityResolver
* @see org.xml.sax.InputSource
*/
public interface EntityResolver {
/**
* Allow the application to resolve external entities.
*
* <p>The Parser will call this method before opening any external
* entity except the top-level document entity (including the
* external DTD subset, external entities referenced within the
* DTD, and external entities referenced within the document
* element): the application may request that the parser resolve
* the entity itself, that it use an alternative URI, or that it
* use an entirely different input source.</p>
*
* <p>Application writers can use this method to redirect external
* system identifiers to secure and/or local URIs, to look up
* public identifiers in a catalogue, or to read an entity from a
* database or other input source (including, for example, a dialog
* box).</p>
*
* <p>If the system identifier is a URL, the SAX parser must
* resolve it fully before reporting it to the application.</p>
*
* @param publicId The public identifier of the external entity
* being referenced, or null if none was supplied.
* @param systemId The system identifier of the external entity
* being referenced.
* @return An InputSource object describing the new input source,
* or null to request that the parser open a regular
* URI connection to the system identifier.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException A Java-specific IO exception,
* possibly the result of creating a new InputStream
* or Reader for the InputSource.
* @see org.xml.sax.InputSource
*/
public abstract InputSource resolveEntity (String publicId,
String systemId)
throws SAXException, IOException;
}
// end of EntityResolver.java

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// SAX error handler.
// No warranty; no copyright -- use this as you will.
// $Id: ErrorHandler.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Basic interface for SAX error handlers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>If a SAX application needs to implement customized error
* handling, it must implement this interface and then register an
* instance with the XML reader using the
* {@link org.xml.sax.XMLReader#setErrorHandler setErrorHandler}
* method. The parser will then report all errors and warnings
* through this interface.</p>
*
* <p><strong>WARNING:</strong> If an application does <em>not</em>
* register an ErrorHandler, XML parsing errors will go unreported
* and bizarre behaviour may result.</p>
*
* <p>For XML processing errors, a SAX driver must use this interface
* instead of throwing an exception: it is up to the application
* to decide whether to throw an exception for different types of
* errors and warnings. Note, however, that there is no requirement that
* the parser continue to provide useful information after a call to
* {@link #fatalError fatalError} (in other words, a SAX driver class
* could catch an exception and report a fatalError).</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser#setErrorHandler
* @see org.xml.sax.SAXParseException
*/
public interface ErrorHandler {
/**
* Receive notification of a warning.
*
* <p>SAX parsers will use this method to report conditions that
* are not errors or fatal errors as defined by the XML 1.0
* recommendation. The default behaviour is to take no action.</p>
*
* <p>The SAX parser must continue to provide normal parsing events
* after invoking this method: it should still be possible for the
* application to process the document through to the end.</p>
*
* <p>Filters may use this method to report other, non-XML warnings
* as well.</p>
*
* @param exception The warning information encapsulated in a
* SAX parse exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.SAXParseException
*/
public abstract void warning (SAXParseException exception)
throws SAXException;
/**
* Receive notification of a recoverable error.
*
* <p>This corresponds to the definition of "error" in section 1.2
* of the W3C XML 1.0 Recommendation. For example, a validating
* parser would use this callback to report the violation of a
* validity constraint. The default behaviour is to take no
* action.</p>
*
* <p>The SAX parser must continue to provide normal parsing events
* after invoking this method: it should still be possible for the
* application to process the document through to the end. If the
* application cannot do so, then the parser should report a fatal
* error even if the XML 1.0 recommendation does not require it to
* do so.</p>
*
* <p>Filters may use this method to report other, non-XML errors
* as well.</p>
*
* @param exception The error information encapsulated in a
* SAX parse exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.SAXParseException
*/
public abstract void error (SAXParseException exception)
throws SAXException;
/**
* Receive notification of a non-recoverable error.
*
* <p>This corresponds to the definition of "fatal error" in
* section 1.2 of the W3C XML 1.0 Recommendation. For example, a
* parser would use this callback to report the violation of a
* well-formedness constraint.</p>
*
* <p>The application must assume that the document is unusable
* after the parser has invoked this method, and should continue
* (if at all) only for the sake of collecting addition error
* messages: in fact, SAX parsers are free to stop reporting any
* other events once this method has been invoked.</p>
*
* @param exception The error information encapsulated in a
* SAX parse exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.SAXParseException
*/
public abstract void fatalError (SAXParseException exception)
throws SAXException;
}
// end of ErrorHandler.java

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// SAX default handler base class.
// No warranty; no copyright -- use this as you will.
// $Id: HandlerBase.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Default base class for handlers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class implements the default behaviour for four SAX1
* interfaces: EntityResolver, DTDHandler, DocumentHandler,
* and ErrorHandler. It is now obsolete, but is included in SAX2 to
* support legacy SAX1 applications. SAX2 applications should use
* the {@link org.xml.sax.helpers.DefaultHandler DefaultHandler}
* class instead.</p>
*
* <p>Application writers can extend this class when they need to
* implement only part of an interface; parser writers can
* instantiate this class to provide default handlers when the
* application has not supplied its own.</p>
*
* <p>Note that the use of this class is optional.</p>
*
* @deprecated This class works with the deprecated
* {@link org.xml.sax.DocumentHandler DocumentHandler}
* interface. It has been replaced by the SAX2
* {@link org.xml.sax.helpers.DefaultHandler DefaultHandler}
* class.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.EntityResolver
* @see org.xml.sax.DTDHandler
* @see org.xml.sax.DocumentHandler
* @see org.xml.sax.ErrorHandler
*/
public class HandlerBase
implements EntityResolver, DTDHandler, DocumentHandler, ErrorHandler
{
////////////////////////////////////////////////////////////////////
// Default implementation of the EntityResolver interface.
////////////////////////////////////////////////////////////////////
/**
* Resolve an external entity.
*
* <p>Always return null, so that the parser will use the system
* identifier provided in the XML document. This method implements
* the SAX default behaviour: application writers can override it
* in a subclass to do special translations such as catalog lookups
* or URI redirection.</p>
*
* @param publicId The public identifer, or null if none is
* available.
* @param systemId The system identifier provided in the XML
* document.
* @return The new input source, or null to require the
* default behaviour.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.EntityResolver#resolveEntity
*/
public InputSource resolveEntity (String publicId, String systemId)
throws SAXException
{
return null;
}
////////////////////////////////////////////////////////////////////
// Default implementation of DTDHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive notification of a notation declaration.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass if they wish to keep track of the notations
* declared in a document.</p>
*
* @param name The notation name.
* @param publicId The notation public identifier, or null if not
* available.
* @param systemId The notation system identifier.
* @see org.xml.sax.DTDHandler#notationDecl
*/
public void notationDecl (String name, String publicId, String systemId)
{
// no op
}
/**
* Receive notification of an unparsed entity declaration.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to keep track of the unparsed entities
* declared in a document.</p>
*
* @param name The entity name.
* @param publicId The entity public identifier, or null if not
* available.
* @param systemId The entity system identifier.
* @param notationName The name of the associated notation.
* @see org.xml.sax.DTDHandler#unparsedEntityDecl
*/
public void unparsedEntityDecl (String name, String publicId,
String systemId, String notationName)
{
// no op
}
////////////////////////////////////////////////////////////////////
// Default implementation of DocumentHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive a Locator object for document events.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass if they wish to store the locator for use
* with other document events.</p>
*
* @param locator A locator for all SAX document events.
* @see org.xml.sax.DocumentHandler#setDocumentLocator
* @see org.xml.sax.Locator
*/
public void setDocumentLocator (Locator locator)
{
// no op
}
/**
* Receive notification of the beginning of the document.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the beginning
* of a document (such as allocating the root node of a tree or
* creating an output file).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#startDocument
*/
public void startDocument ()
throws SAXException
{
// no op
}
/**
* Receive notification of the end of the document.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the beginning
* of a document (such as finalising a tree or closing an output
* file).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#endDocument
*/
public void endDocument ()
throws SAXException
{
// no op
}
/**
* Receive notification of the start of an element.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the start of
* each element (such as allocating a new tree node or writing
* output to a file).</p>
*
* @param name The element type name.
* @param attributes The specified or defaulted attributes.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#startElement
*/
public void startElement (String name, AttributeList attributes)
throws SAXException
{
// no op
}
/**
* Receive notification of the end of an element.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the end of
* each element (such as finalising a tree node or writing
* output to a file).</p>
*
* @param name The element type name.
* @param attributes The specified or defaulted attributes.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#endElement
*/
public void endElement (String name)
throws SAXException
{
// no op
}
/**
* Receive notification of character data inside an element.
*
* <p>By default, do nothing. Application writers may override this
* method to take specific actions for each chunk of character data
* (such as adding the data to a node or buffer, or printing it to
* a file).</p>
*
* @param ch The characters.
* @param start The start position in the character array.
* @param length The number of characters to use from the
* character array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#characters
*/
public void characters (char ch[], int start, int length)
throws SAXException
{
// no op
}
/**
* Receive notification of ignorable whitespace in element content.
*
* <p>By default, do nothing. Application writers may override this
* method to take specific actions for each chunk of ignorable
* whitespace (such as adding data to a node or buffer, or printing
* it to a file).</p>
*
* @param ch The whitespace characters.
* @param start The start position in the character array.
* @param length The number of characters to use from the
* character array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#ignorableWhitespace
*/
public void ignorableWhitespace (char ch[], int start, int length)
throws SAXException
{
// no op
}
/**
* Receive notification of a processing instruction.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions for each
* processing instruction, such as setting status variables or
* invoking other methods.</p>
*
* @param target The processing instruction target.
* @param data The processing instruction data, or null if
* none is supplied.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DocumentHandler#processingInstruction
*/
public void processingInstruction (String target, String data)
throws SAXException
{
// no op
}
////////////////////////////////////////////////////////////////////
// Default implementation of the ErrorHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive notification of a parser warning.
*
* <p>The default implementation does nothing. Application writers
* may override this method in a subclass to take specific actions
* for each warning, such as inserting the message in a log file or
* printing it to the console.</p>
*
* @param e The warning information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#warning
* @see org.xml.sax.SAXParseException
*/
public void warning (SAXParseException e)
throws SAXException
{
// no op
}
/**
* Receive notification of a recoverable parser error.
*
* <p>The default implementation does nothing. Application writers
* may override this method in a subclass to take specific actions
* for each error, such as inserting the message in a log file or
* printing it to the console.</p>
*
* @param e The warning information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#warning
* @see org.xml.sax.SAXParseException
*/
public void error (SAXParseException e)
throws SAXException
{
// no op
}
/**
* Report a fatal XML parsing error.
*
* <p>The default implementation throws a SAXParseException.
* Application writers may override this method in a subclass if
* they need to take specific actions for each fatal error (such as
* collecting all of the errors into a single report): in any case,
* the application must stop all regular processing when this
* method is invoked, since the document is no longer reliable, and
* the parser may no longer report parsing events.</p>
*
* @param e The error information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#fatalError
* @see org.xml.sax.SAXParseException
*/
public void fatalError (SAXParseException e)
throws SAXException
{
throw e;
}
}
// end of HandlerBase.java

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// SAX input source.
// No warranty; no copyright -- use this as you will.
// $Id: InputSource.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
import java.io.Reader;
import java.io.InputStream;
/**
* A single input source for an XML entity.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class allows a SAX application to encapsulate information
* about an input source in a single object, which may include
* a public identifier, a system identifier, a byte stream (possibly
* with a specified encoding), and/or a character stream.</p>
*
* <p>There are two places that the application will deliver this
* input source to the parser: as the argument to the Parser.parse
* method, or as the return value of the EntityResolver.resolveEntity
* method.</p>
*
* <p>The SAX parser will use the InputSource object to determine how
* to read XML input. If there is a character stream available, the
* parser will read that stream directly; if not, the parser will use
* a byte stream, if available; if neither a character stream nor a
* byte stream is available, the parser will attempt to open a URI
* connection to the resource identified by the system
* identifier.</p>
*
* <p>An InputSource object belongs to the application: the SAX parser
* shall never modify it in any way (it may modify a copy if
* necessary).</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser#parse
* @see org.xml.sax.EntityResolver#resolveEntity
* @see java.io.InputStream
* @see java.io.Reader
*/
public class InputSource {
/**
* Zero-argument default constructor.
*
* @see #setPublicId
* @see #setSystemId
* @see #setByteStream
* @see #setCharacterStream
* @see #setEncoding
*/
public InputSource ()
{
}
/**
* Create a new input source with a system identifier.
*
* <p>Applications may use setPublicId to include a
* public identifier as well, or setEncoding to specify
* the character encoding, if known.</p>
*
* <p>If the system identifier is a URL, it must be full resolved.</p>
*
* @param systemId The system identifier (URI).
* @see #setPublicId
* @see #setSystemId
* @see #setByteStream
* @see #setEncoding
* @see #setCharacterStream
*/
public InputSource (String systemId)
{
setSystemId(systemId);
}
/**
* Create a new input source with a byte stream.
*
* <p>Application writers may use setSystemId to provide a base
* for resolving relative URIs, setPublicId to include a
* public identifier, and/or setEncoding to specify the object's
* character encoding.</p>
*
* @param byteStream The raw byte stream containing the document.
* @see #setPublicId
* @see #setSystemId
* @see #setEncoding
* @see #setByteStream
* @see #setCharacterStream
*/
public InputSource (InputStream byteStream)
{
setByteStream(byteStream);
}
/**
* Create a new input source with a character stream.
*
* <p>Application writers may use setSystemId() to provide a base
* for resolving relative URIs, and setPublicId to include a
* public identifier.</p>
*
* <p>The character stream shall not include a byte order mark.</p>
*
* @see #setPublicId
* @see #setSystemId
* @see #setByteStream
* @see #setCharacterStream
*/
public InputSource (Reader characterStream)
{
setCharacterStream(characterStream);
}
/**
* Set the public identifier for this input source.
*
* <p>The public identifier is always optional: if the application
* writer includes one, it will be provided as part of the
* location information.</p>
*
* @param publicId The public identifier as a string.
* @see #getPublicId
* @see org.xml.sax.Locator#getPublicId
* @see org.xml.sax.SAXParseException#getPublicId
*/
public void setPublicId (String publicId)
{
this.publicId = publicId;
}
/**
* Get the public identifier for this input source.
*
* @return The public identifier, or null if none was supplied.
* @see #setPublicId
*/
public String getPublicId ()
{
return publicId;
}
/**
* Set the system identifier for this input source.
*
* <p>The system identifier is optional if there is a byte stream
* or a character stream, but it is still useful to provide one,
* since the application can use it to resolve relative URIs
* and can include it in error messages and warnings (the parser
* will attempt to open a connection to the URI only if
* there is no byte stream or character stream specified).</p>
*
* <p>If the application knows the character encoding of the
* object pointed to by the system identifier, it can register
* the encoding using the setEncoding method.</p>
*
* <p>If the system ID is a URL, it must be fully resolved.</p>
*
* @param systemId The system identifier as a string.
* @see #setEncoding
* @see #getSystemId
* @see org.xml.sax.Locator#getSystemId
* @see org.xml.sax.SAXParseException#getSystemId
*/
public void setSystemId (String systemId)
{
this.systemId = systemId;
}
/**
* Get the system identifier for this input source.
*
* <p>The getEncoding method will return the character encoding
* of the object pointed to, or null if unknown.</p>
*
* <p>If the system ID is a URL, it will be fully resolved.</p>
*
* @return The system identifier.
* @see #setSystemId
* @see #getEncoding
*/
public String getSystemId ()
{
return systemId;
}
/**
* Set the byte stream for this input source.
*
* <p>The SAX parser will ignore this if there is also a character
* stream specified, but it will use a byte stream in preference
* to opening a URI connection itself.</p>
*
* <p>If the application knows the character encoding of the
* byte stream, it should set it with the setEncoding method.</p>
*
* @param byteStream A byte stream containing an XML document or
* other entity.
* @see #setEncoding
* @see #getByteStream
* @see #getEncoding
* @see java.io.InputStream
*/
public void setByteStream (InputStream byteStream)
{
this.byteStream = byteStream;
}
/**
* Get the byte stream for this input source.
*
* <p>The getEncoding method will return the character
* encoding for this byte stream, or null if unknown.</p>
*
* @return The byte stream, or null if none was supplied.
* @see #getEncoding
* @see #setByteStream
*/
public InputStream getByteStream ()
{
return byteStream;
}
/**
* Set the character encoding, if known.
*
* <p>The encoding must be a string acceptable for an
* XML encoding declaration (see section 4.3.3 of the XML 1.0
* recommendation).</p>
*
* <p>This method has no effect when the application provides a
* character stream.</p>
*
* @param encoding A string describing the character encoding.
* @see #setSystemId
* @see #setByteStream
* @see #getEncoding
*/
public void setEncoding (String encoding)
{
this.encoding = encoding;
}
/**
* Get the character encoding for a byte stream or URI.
*
* @return The encoding, or null if none was supplied.
* @see #setByteStream
* @see #getSystemId
* @see #getByteStream
*/
public String getEncoding ()
{
return encoding;
}
/**
* Set the character stream for this input source.
*
* <p>If there is a character stream specified, the SAX parser
* will ignore any byte stream and will not attempt to open
* a URI connection to the system identifier.</p>
*
* @param characterStream The character stream containing the
* XML document or other entity.
* @see #getCharacterStream
* @see java.io.Reader
*/
public void setCharacterStream (Reader characterStream)
{
this.characterStream = characterStream;
}
/**
* Get the character stream for this input source.
*
* @return The character stream, or null if none was supplied.
* @see #setCharacterStream
*/
public Reader getCharacterStream ()
{
return characterStream;
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
private String publicId;
private String systemId;
private InputStream byteStream;
private String encoding;
private Reader characterStream;
}
// end of InputSource.java

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// SAX locator interface for document events.
// No warranty; no copyright -- use this as you will.
// $Id: Locator.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Interface for associating a SAX event with a document location.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>If a SAX parser provides location information to the SAX
* application, it does so by implementing this interface and then
* passing an instance to the application using the content
* handler's {@link org.xml.sax.ContentHandler#setDocumentLocator
* setDocumentLocator} method. The application can use the
* object to obtain the location of any other content handler event
* in the XML source document.</p>
*
* <p>Note that the results returned by the object will be valid only
* during the scope of each content handler method: the application
* will receive unpredictable results if it attempts to use the
* locator at any other time.</p>
*
* <p>SAX parsers are not required to supply a locator, but they are
* very strongly encouraged to do so. If the parser supplies a
* locator, it must do so before reporting any other document events.
* If no locator has been set by the time the application receives
* the {@link org.xml.sax.ContentHandler#startDocument startDocument}
* event, the application should assume that a locator is not
* available.</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.ContentHandler#setDocumentLocator
*/
public interface Locator {
/**
* Return the public identifier for the current document event.
*
* <p>The return value is the public identifier of the document
* entity or of the external parsed entity in which the markup
* triggering the event appears.</p>
*
* @return A string containing the public identifier, or
* null if none is available.
* @see #getSystemId
*/
public abstract String getPublicId ();
/**
* Return the system identifier for the current document event.
*
* <p>The return value is the system identifier of the document
* entity or of the external parsed entity in which the markup
* triggering the event appears.</p>
*
* <p>If the system identifier is a URL, the parser must resolve it
* fully before passing it to the application.</p>
*
* @return A string containing the system identifier, or null
* if none is available.
* @see #getPublicId
*/
public abstract String getSystemId ();
/**
* Return the line number where the current document event ends.
*
* <p><strong>Warning:</strong> The return value from the method
* is intended only as an approximation for the sake of error
* reporting; it is not intended to provide sufficient information
* to edit the character content of the original XML document.</p>
*
* <p>The return value is an approximation of the line number
* in the document entity or external parsed entity where the
* markup triggering the event appears.</p>
*
* <p>If possible, the SAX driver should provide the line position
* of the first character after the text associated with the document
* event. The first line in the document is line 1.</p>
*
* @return The line number, or -1 if none is available.
* @see #getColumnNumber
*/
public abstract int getLineNumber ();
/**
* Return the column number where the current document event ends.
*
* <p><strong>Warning:</strong> The return value from the method
* is intended only as an approximation for the sake of error
* reporting; it is not intended to provide sufficient information
* to edit the character content of the original XML document.</p>
*
* <p>The return value is an approximation of the column number
* in the document entity or external parsed entity where the
* markup triggering the event appears.</p>
*
* <p>If possible, the SAX driver should provide the line position
* of the first character after the text associated with the document
* event.</p>
*
* <p>If possible, the SAX driver should provide the line position
* of the first character after the text associated with the document
* event. The first column in each line is column 1.</p>
*
* @return The column number, or -1 if none is available.
* @see #getLineNumber
*/
public abstract int getColumnNumber ();
}
// end of Locator.java

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// SAX parser interface.
// No warranty; no copyright -- use this as you will.
// $Id: Parser.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
import java.io.IOException;
import java.util.Locale;
/**
* Basic interface for SAX (Simple API for XML) parsers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This was the main event supplier interface for SAX1; it has
* been replaced in SAX2 by {@link org.xml.sax.XMLReader XMLReader},
* which includes Namespace support and sophisticated configurability
* and extensibility.</p>
*
* <p>All SAX1 parsers must implement this basic interface: it allows
* applications to register handlers for different types of events
* and to initiate a parse from a URI, or a character stream.</p>
*
* <p>All SAX1 parsers must also implement a zero-argument constructor
* (though other constructors are also allowed).</p>
*
* <p>SAX1 parsers are reusable but not re-entrant: the application
* may reuse a parser object (possibly with a different input source)
* once the first parse has completed successfully, but it may not
* invoke the parse() methods recursively within a parse.</p>
*
* @deprecated This interface has been replaced by the SAX2
* {@link org.xml.sax.XMLReader XMLReader}
* interface, which includes Namespace support.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.EntityResolver
* @see org.xml.sax.DTDHandler
* @see org.xml.sax.DocumentHandler
* @see org.xml.sax.ErrorHandler
* @see org.xml.sax.HandlerBase
* @see org.xml.sax.InputSource
*/
public interface Parser
{
/**
* Allow an application to request a locale for errors and warnings.
*
* <p>SAX parsers are not required to provide localisation for errors
* and warnings; if they cannot support the requested locale,
* however, they must throw a SAX exception. Applications may
* not request a locale change in the middle of a parse.</p>
*
* @param locale A Java Locale object.
* @exception org.xml.sax.SAXException Throws an exception
* (using the previous or default locale) if the
* requested locale is not supported.
* @see org.xml.sax.SAXException
* @see org.xml.sax.SAXParseException
*/
public abstract void setLocale (Locale locale)
throws SAXException;
/**
* Allow an application to register a custom entity resolver.
*
* <p>If the application does not register an entity resolver, the
* SAX parser will resolve system identifiers and open connections
* to entities itself (this is the default behaviour implemented in
* HandlerBase).</p>
*
* <p>Applications may register a new or different entity resolver
* in the middle of a parse, and the SAX parser must begin using
* the new resolver immediately.</p>
*
* @param resolver The object for resolving entities.
* @see EntityResolver
* @see HandlerBase
*/
public abstract void setEntityResolver (EntityResolver resolver);
/**
* Allow an application to register a DTD event handler.
*
* <p>If the application does not register a DTD handler, all DTD
* events reported by the SAX parser will be silently
* ignored (this is the default behaviour implemented by
* HandlerBase).</p>
*
* <p>Applications may register a new or different
* handler in the middle of a parse, and the SAX parser must
* begin using the new handler immediately.</p>
*
* @param handler The DTD handler.
* @see DTDHandler
* @see HandlerBase
*/
public abstract void setDTDHandler (DTDHandler handler);
/**
* Allow an application to register a document event handler.
*
* <p>If the application does not register a document handler, all
* document events reported by the SAX parser will be silently
* ignored (this is the default behaviour implemented by
* HandlerBase).</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param handler The document handler.
* @see DocumentHandler
* @see HandlerBase
*/
public abstract void setDocumentHandler (DocumentHandler handler);
/**
* Allow an application to register an error event handler.
*
* <p>If the application does not register an error event handler,
* all error events reported by the SAX parser will be silently
* ignored, except for fatalError, which will throw a SAXException
* (this is the default behaviour implemented by HandlerBase).</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param handler The error handler.
* @see ErrorHandler
* @see SAXException
* @see HandlerBase
*/
public abstract void setErrorHandler (ErrorHandler handler);
/**
* Parse an XML document.
*
* <p>The application can use this method to instruct the SAX parser
* to begin parsing an XML document from any valid input
* source (a character stream, a byte stream, or a URI).</p>
*
* <p>Applications may not invoke this method while a parse is in
* progress (they should create a new Parser instead for each
* additional XML document). Once a parse is complete, an
* application may reuse the same Parser object, possibly with a
* different input source.</p>
*
* @param source The input source for the top-level of the
* XML document.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see org.xml.sax.InputSource
* @see #parse(java.lang.String)
* @see #setEntityResolver
* @see #setDTDHandler
* @see #setDocumentHandler
* @see #setErrorHandler
*/
public abstract void parse (InputSource source)
throws SAXException, IOException;
/**
* Parse an XML document from a system identifier (URI).
*
* <p>This method is a shortcut for the common case of reading a
* document from a system identifier. It is the exact
* equivalent of the following:</p>
*
* <pre>
* parse(new InputSource(systemId));
* </pre>
*
* <p>If the system identifier is a URL, it must be fully resolved
* by the application before it is passed to the parser.</p>
*
* @param systemId The system identifier (URI).
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see #parse(org.xml.sax.InputSource)
*/
public abstract void parse (String systemId)
throws SAXException, IOException;
}
// end of Parser.java

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// SAX exception class.
// No warranty; no copyright -- use this as you will.
// $Id: SAXException.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Encapsulate a general SAX error or warning.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class can contain basic error or warning information from
* either the XML parser or the application: a parser writer or
* application writer can subclass it to provide additional
* functionality. SAX handlers may throw this exception or
* any exception subclassed from it.</p>
*
* <p>If the application needs to pass through other types of
* exceptions, it must wrap those exceptions in a SAXException
* or an exception derived from a SAXException.</p>
*
* <p>If the parser or application needs to include information about a
* specific location in an XML document, it should use the
* {@link org.xml.sax.SAXParseException SAXParseException} subclass.</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.SAXParseException
*/
public class SAXException extends Exception {
/**
* Create a new SAXException.
*
* @param message The error or warning message.
* @see org.xml.sax.Parser#setLocale
*/
public SAXException (String message) {
super(message);
this.exception = null;
}
/**
* Create a new SAXException wrapping an existing exception.
*
* <p>The existing exception will be embedded in the new
* one, and its message will become the default message for
* the SAXException.</p>
*
* @param e The exception to be wrapped in a SAXException.
*/
public SAXException (Exception e)
{
super();
this.exception = e;
}
/**
* Create a new SAXException from an existing exception.
*
* <p>The existing exception will be embedded in the new
* one, but the new exception will have its own message.</p>
*
* @param message The detail message.
* @param e The exception to be wrapped in a SAXException.
* @see org.xml.sax.Parser#setLocale
*/
public SAXException (String message, Exception e)
{
super(message);
this.exception = e;
}
/**
* Return a detail message for this exception.
*
* <p>If there is an embedded exception, and if the SAXException
* has no detail message of its own, this method will return
* the detail message from the embedded exception.</p>
*
* @return The error or warning message.
* @see org.xml.sax.Parser#setLocale
*/
public String getMessage ()
{
String message = super.getMessage();
if (message == null && exception != null) {
return exception.getMessage();
} else {
return message;
}
}
/**
* Return the embedded exception, if any.
*
* @return The embedded exception, or null if there is none.
*/
public Exception getException ()
{
return exception;
}
/**
* Override toString to pick up any embedded exception.
*
* @return A string representation of this exception.
*/
public String toString ()
{
if (exception != null) {
return exception.toString();
} else {
return super.toString();
}
}
//////////////////////////////////////////////////////////////////////
// Internal state.
//////////////////////////////////////////////////////////////////////
/**
* @serial The embedded exception if tunnelling, or null.
*/
private Exception exception;
}
// end of SAXException.java

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// SAXNotRecognizedException.java - unrecognized feature or value.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: SAXNotRecognizedException.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Exception class for an unrecognized identifier.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>An XMLReader will throw this exception when it finds an
* unrecognized feature or property identifier; SAX applications and
* extensions may use this class for other, similar purposes.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.SAXNotSupportedException
*/
public class SAXNotRecognizedException extends SAXException
{
/**
* Construct a new exception with the given message.
*
* @param message The text message of the exception.
*/
public SAXNotRecognizedException (String message)
{
super(message);
}
}
// end of SAXNotRecognizedException.java

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// SAXNotSupportedException.java - unsupported feature or value.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: SAXNotSupportedException.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Exception class for an unsupported operation.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>An XMLReader will throw this exception when it recognizes a
* feature or property identifier, but cannot perform the requested
* operation (setting a state or value). Other SAX2 applications and
* extensions may use this class for similar purposes.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.SAXNotRecognizedException
*/
public class SAXNotSupportedException extends SAXException
{
/**
* Construct a new exception with the given message.
*
* @param message The text message of the exception.
*/
public SAXNotSupportedException (String message)
{
super(message);
}
}
// end of SAXNotSupportedException.java

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// SAX exception class.
// No warranty; no copyright -- use this as you will.
// $Id: SAXParseException.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Encapsulate an XML parse error or warning.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This exception will include information for locating the error
* in the original XML document. Note that although the application
* will receive a SAXParseException as the argument to the handlers
* in the {@link org.xml.sax.ErrorHandler ErrorHandler} interface,
* the application is not actually required to throw the exception;
* instead, it can simply read the information in it and take a
* different action.</p>
*
* <p>Since this exception is a subclass of {@link org.xml.sax.SAXException
* SAXException}, it inherits the ability to wrap another exception.</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.SAXException
* @see org.xml.sax.Locator
* @see org.xml.sax.ErrorHandler
*/
public class SAXParseException extends SAXException {
//////////////////////////////////////////////////////////////////////
// Constructors.
//////////////////////////////////////////////////////////////////////
/**
* Create a new SAXParseException from a message and a Locator.
*
* <p>This constructor is especially useful when an application is
* creating its own exception from within a {@link org.xml.sax.ContentHandler
* ContentHandler} callback.</p>
*
* @param message The error or warning message.
* @param locator The locator object for the error or warning (may be
* null).
* @see org.xml.sax.Locator
* @see org.xml.sax.Parser#setLocale
*/
public SAXParseException (String message, Locator locator) {
super(message);
if (locator != null) {
init(locator.getPublicId(), locator.getSystemId(),
locator.getLineNumber(), locator.getColumnNumber());
} else {
init(null, null, -1, -1);
}
}
/**
* Wrap an existing exception in a SAXParseException.
*
* <p>This constructor is especially useful when an application is
* creating its own exception from within a {@link org.xml.sax.ContentHandler
* ContentHandler} callback, and needs to wrap an existing exception that is not a
* subclass of {@link org.xml.sax.SAXException SAXException}.</p>
*
* @param message The error or warning message, or null to
* use the message from the embedded exception.
* @param locator The locator object for the error or warning (may be
* null).
* @param e Any exception.
* @see org.xml.sax.Locator
* @see org.xml.sax.Parser#setLocale
*/
public SAXParseException (String message, Locator locator,
Exception e) {
super(message, e);
if (locator != null) {
init(locator.getPublicId(), locator.getSystemId(),
locator.getLineNumber(), locator.getColumnNumber());
} else {
init(null, null, -1, -1);
}
}
/**
* Create a new SAXParseException.
*
* <p>This constructor is most useful for parser writers.</p>
*
* <p>If the system identifier is a URL, the parser must resolve it
* fully before creating the exception.</p>
*
* @param message The error or warning message.
* @param publicId The public identifer of the entity that generated
* the error or warning.
* @param systemId The system identifer of the entity that generated
* the error or warning.
* @param lineNumber The line number of the end of the text that
* caused the error or warning.
* @param columnNumber The column number of the end of the text that
* cause the error or warning.
* @see org.xml.sax.Parser#setLocale
*/
public SAXParseException (String message, String publicId, String systemId,
int lineNumber, int columnNumber)
{
super(message);
init(publicId, systemId, lineNumber, columnNumber);
}
/**
* Create a new SAXParseException with an embedded exception.
*
* <p>This constructor is most useful for parser writers who
* need to wrap an exception that is not a subclass of
* {@link org.xml.sax.SAXException SAXException}.</p>
*
* <p>If the system identifier is a URL, the parser must resolve it
* fully before creating the exception.</p>
*
* @param message The error or warning message, or null to use
* the message from the embedded exception.
* @param publicId The public identifer of the entity that generated
* the error or warning.
* @param systemId The system identifer of the entity that generated
* the error or warning.
* @param lineNumber The line number of the end of the text that
* caused the error or warning.
* @param columnNumber The column number of the end of the text that
* cause the error or warning.
* @param e Another exception to embed in this one.
* @see org.xml.sax.Parser#setLocale
*/
public SAXParseException (String message, String publicId, String systemId,
int lineNumber, int columnNumber, Exception e)
{
super(message, e);
init(publicId, systemId, lineNumber, columnNumber);
}
/**
* Internal initialization method.
*
* @param publicId The public identifier of the entity which generated the exception,
* or null.
* @param systemId The system identifier of the entity which generated the exception,
* or null.
* @param lineNumber The line number of the error, or -1.
* @param columnNumber The column number of the error, or -1.
*/
private void init (String publicId, String systemId,
int lineNumber, int columnNumber)
{
this.publicId = publicId;
this.systemId = systemId;
this.lineNumber = lineNumber;
this.columnNumber = columnNumber;
}
/**
* Get the public identifier of the entity where the exception occurred.
*
* @return A string containing the public identifier, or null
* if none is available.
* @see org.xml.sax.Locator#getPublicId
*/
public String getPublicId ()
{
return this.publicId;
}
/**
* Get the system identifier of the entity where the exception occurred.
*
* <p>If the system identifier is a URL, it will be resolved
* fully.</p>
*
* @return A string containing the system identifier, or null
* if none is available.
* @see org.xml.sax.Locator#getSystemId
*/
public String getSystemId ()
{
return this.systemId;
}
/**
* The line number of the end of the text where the exception occurred.
*
* @return An integer representing the line number, or -1
* if none is available.
* @see org.xml.sax.Locator#getLineNumber
*/
public int getLineNumber ()
{
return this.lineNumber;
}
/**
* The column number of the end of the text where the exception occurred.
*
* <p>The first column in a line is position 1.</p>
*
* @return An integer representing the column number, or -1
* if none is available.
* @see org.xml.sax.Locator#getColumnNumber
*/
public int getColumnNumber ()
{
return this.columnNumber;
}
//////////////////////////////////////////////////////////////////////
// Internal state.
//////////////////////////////////////////////////////////////////////
/**
* @serial The public identifier, or null.
* @see #getPublicId
*/
private String publicId;
/**
* @serial The system identifier, or null.
* @see #getSystemId
*/
private String systemId;
/**
* @serial The line number, or -1.
* @see #getLineNumber
*/
private int lineNumber;
/**
* @serial The column number, or -1.
* @see #getColumnNumber
*/
private int columnNumber;
}
// end of SAXParseException.java

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// XMLFilter.java - filter SAX2 events.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: XMLFilter.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
/**
* Interface for an XML filter.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>An XML filter is like an XML reader, except that it obtains its
* events from another XML reader rather than a primary source like
* an XML document or database. Filters can modify a stream of
* events as they pass on to the final application.</p>
*
* <p>The XMLFilterImpl helper class provides a convenient base
* for creating SAX2 filters, by passing on all {@link org.xml.sax.EntityResolver
* EntityResolver}, {@link org.xml.sax.DTDHandler DTDHandler},
* {@link org.xml.sax.ContentHandler ContentHandler} and {@link org.xml.sax.ErrorHandler
* ErrorHandler} events automatically.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.helpers.XMLFilterImpl
*/
public interface XMLFilter extends XMLReader
{
/**
* Set the parent reader.
*
* <p>This method allows the application to link the filter to
* a parent reader (which may be another filter). The argument
* may not be null.</p>
*
* @param parent The parent reader.
*/
public abstract void setParent (XMLReader parent);
/**
* Get the parent reader.
*
* <p>This method allows the application to query the parent
* reader (which may be another filter). It is generally a
* bad idea to perform any operations on the parent reader
* directly: they should all pass through this filter.</p>
*
* @return The parent filter, or null if none has been set.
*/
public abstract XMLReader getParent ();
}
// end of XMLFilter.java

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// XMLReader.java - read an XML document.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: XMLReader.java,v 1.1 2000/10/02 02:43:17 sboag Exp $
package org.xml.sax;
import java.io.IOException;
/**
* Interface for reading an XML document using callbacks.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p><strong>Note:</strong> despite its name, this interface does
* <em>not</em> extend the standard Java {@link java.io.Reader Reader}
* interface, because reading XML is a fundamentally different activity
* than reading character data.</p>
*
* <p>XMLReader is the interface that an XML parser's SAX2 driver must
* implement. This interface allows an application to set and
* query features and properties in the parser, to register
* event handlers for document processing, and to initiate
* a document parse.</p>
*
* <p>All SAX interfaces are assumed to be synchronous: the
* {@link #parse parse} methods must not return until parsing
* is complete, and readers must wait for an event-handler callback
* to return before reporting the next event.</p>
*
* <p>This interface replaces the (now deprecated) SAX 1.0 {@link
* org.xml.sax.Parser Parser} interface. The XMLReader interface
* contains two important enhancements over the old Parser
* interface:</p>
*
* <ol>
* <li>it adds a standard way to query and set features and
* properties; and</li>
* <li>it adds Namespace support, which is required for many
* higher-level XML standards.</li>
* </ol>
*
* <p>There are adapters available to convert a SAX1 Parser to
* a SAX2 XMLReader and vice-versa.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.XMLFilter
* @see org.xml.sax.helpers.ParserAdapter
* @see org.xml.sax.helpers.XMLReaderAdapter
*/
public interface XMLReader
{
////////////////////////////////////////////////////////////////////
// Configuration.
////////////////////////////////////////////////////////////////////
/**
* Look up the value of a feature.
*
* <p>The feature name is any fully-qualified URI. It is
* possible for an XMLReader to recognize a feature name but
* to be unable to return its value; this is especially true
* in the case of an adapter for a SAX1 Parser, which has
* no way of knowing whether the underlying parser is
* performing validation or expanding external entities.</p>
*
* <p>All XMLReaders are required to recognize the
* http://xml.org/sax/features/namespaces and the
* http://xml.org/sax/features/namespace-prefixes feature names.</p>
*
* <p>Some feature values may be available only in specific
* contexts, such as before, during, or after a parse.</p>
*
* <p>Typical usage is something like this:</p>
*
* <pre>
* XMLReader r = new MySAXDriver();
*
* // try to activate validation
* try {
* r.setFeature("http://xml.org/sax/features/validation", true);
* } catch (SAXException e) {
* System.err.println("Cannot activate validation.");
* }
*
* // register event handlers
* r.setContentHandler(new MyContentHandler());
* r.setErrorHandler(new MyErrorHandler());
*
* // parse the first document
* try {
* r.parse("http://www.foo.com/mydoc.xml");
* } catch (IOException e) {
* System.err.println("I/O exception reading XML document");
* } catch (SAXException e) {
* System.err.println("XML exception reading document.");
* }
* </pre>
*
* <p>Implementors are free (and encouraged) to invent their own features,
* using names built on their own URIs.</p>
*
* @param name The feature name, which is a fully-qualified URI.
* @return The current state of the feature (true or false).
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the feature name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the feature name but
* cannot determine its value at this time.
* @see #setFeature
*/
public boolean getFeature (String name)
throws SAXNotRecognizedException, SAXNotSupportedException;
/**
* Set the state of a feature.
*
* <p>The feature name is any fully-qualified URI. It is
* possible for an XMLReader to recognize a feature name but
* to be unable to set its value; this is especially true
* in the case of an adapter for a SAX1 {@link org.xml.sax.Parser Parser},
* which has no way of affecting whether the underlying parser is
* validating, for example.</p>
*
* <p>All XMLReaders are required to support setting
* http://xml.org/sax/features/namespaces to true and
* http://xml.org/sax/features/namespace-prefixes to false.</p>
*
* <p>Some feature values may be immutable or mutable only
* in specific contexts, such as before, during, or after
* a parse.</p>
*
* @param name The feature name, which is a fully-qualified URI.
* @param state The requested state of the feature (true or false).
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the feature name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the feature name but
* cannot set the requested value.
* @see #getFeature
*/
public void setFeature (String name, boolean value)
throws SAXNotRecognizedException, SAXNotSupportedException;
/**
* Look up the value of a property.
*
* <p>The property name is any fully-qualified URI. It is
* possible for an XMLReader to recognize a property name but
* to be unable to return its state; this is especially true
* in the case of an adapter for a SAX1 {@link org.xml.sax.Parser
* Parser}.</p>
*
* <p>XMLReaders are not required to recognize any specific
* property names, though an initial core set is documented for
* SAX2.</p>
*
* <p>Some property values may be available only in specific
* contexts, such as before, during, or after a parse.</p>
*
* <p>Implementors are free (and encouraged) to invent their own properties,
* using names built on their own URIs.</p>
*
* @param name The property name, which is a fully-qualified URI.
* @return The current value of the property.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the property name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the property name but
* cannot determine its value at this time.
* @see #setProperty
*/
public Object getProperty (String name)
throws SAXNotRecognizedException, SAXNotSupportedException;
/**
* Set the value of a property.
*
* <p>The property name is any fully-qualified URI. It is
* possible for an XMLReader to recognize a property name but
* to be unable to set its value; this is especially true
* in the case of an adapter for a SAX1 {@link org.xml.sax.Parser
* Parser}.</p>
*
* <p>XMLReaders are not required to recognize setting
* any specific property names, though a core set is provided with
* SAX2.</p>
*
* <p>Some property values may be immutable or mutable only
* in specific contexts, such as before, during, or after
* a parse.</p>
*
* <p>This method is also the standard mechanism for setting
* extended handlers.</p>
*
* @param name The property name, which is a fully-qualified URI.
* @param state The requested value for the property.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the property name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the property name but
* cannot set the requested value.
*/
public void setProperty (String name, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException;
////////////////////////////////////////////////////////////////////
// Event handlers.
////////////////////////////////////////////////////////////////////
/**
* Allow an application to register an entity resolver.
*
* <p>If the application does not register an entity resolver,
* the XMLReader will perform its own default resolution.</p>
*
* <p>Applications may register a new or different resolver in the
* middle of a parse, and the SAX parser must begin using the new
* resolver immediately.</p>
*
* @param resolver The entity resolver.
* @exception java.lang.NullPointerException If the resolver
* argument is null.
* @see #getEntityResolver
*/
public void setEntityResolver (EntityResolver resolver);
/**
* Return the current entity resolver.
*
* @return The current entity resolver, or null if none
* has been registered.
* @see #setEntityResolver
*/
public EntityResolver getEntityResolver ();
/**
* Allow an application to register a DTD event handler.
*
* <p>If the application does not register a DTD handler, all DTD
* events reported by the SAX parser will be silently ignored.</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param handler The DTD handler.
* @exception java.lang.NullPointerException If the handler
* argument is null.
* @see #getDTDHandler
*/
public void setDTDHandler (DTDHandler handler);
/**
* Return the current DTD handler.
*
* @return The current DTD handler, or null if none
* has been registered.
* @see #setDTDHandler
*/
public DTDHandler getDTDHandler ();
/**
* Allow an application to register a content event handler.
*
* <p>If the application does not register a content handler, all
* content events reported by the SAX parser will be silently
* ignored.</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param handler The content handler.
* @exception java.lang.NullPointerException If the handler
* argument is null.
* @see #getContentHandler
*/
public void setContentHandler (ContentHandler handler);
/**
* Return the current content handler.
*
* @return The current content handler, or null if none
* has been registered.
* @see #setContentHandler
*/
public ContentHandler getContentHandler ();
/**
* Allow an application to register an error event handler.
*
* <p>If the application does not register an error handler, all
* error events reported by the SAX parser will be silently
* ignored; however, normal processing may not continue. It is
* highly recommended that all SAX applications implement an
* error handler to avoid unexpected bugs.</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param handler The error handler.
* @exception java.lang.NullPointerException If the handler
* argument is null.
* @see #getErrorHandler
*/
public void setErrorHandler (ErrorHandler handler);
/**
* Return the current error handler.
*
* @return The current error handler, or null if none
* has been registered.
* @see #setErrorHandler
*/
public ErrorHandler getErrorHandler ();
////////////////////////////////////////////////////////////////////
// Parsing.
////////////////////////////////////////////////////////////////////
/**
* Parse an XML document.
*
* <p>The application can use this method to instruct the XML
* reader to begin parsing an XML document from any valid input
* source (a character stream, a byte stream, or a URI).</p>
*
* <p>Applications may not invoke this method while a parse is in
* progress (they should create a new XMLReader instead for each
* nested XML document). Once a parse is complete, an
* application may reuse the same XMLReader object, possibly with a
* different input source.</p>
*
* <p>During the parse, the XMLReader will provide information
* about the XML document through the registered event
* handlers.</p>
*
* <p>This method is synchronous: it will not return until parsing
* has ended. If a client application wants to terminate
* parsing early, it should throw an exception.</p>
*
* @param source The input source for the top-level of the
* XML document.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see org.xml.sax.InputSource
* @see #parse(java.lang.String)
* @see #setEntityResolver
* @see #setDTDHandler
* @see #setContentHandler
* @see #setErrorHandler
*/
public void parse (InputSource input)
throws IOException, SAXException;
/**
* Parse an XML document from a system identifier (URI).
*
* <p>This method is a shortcut for the common case of reading a
* document from a system identifier. It is the exact
* equivalent of the following:</p>
*
* <pre>
* parse(new InputSource(systemId));
* </pre>
*
* <p>If the system identifier is a URL, it must be fully resolved
* by the application before it is passed to the parser.</p>
*
* @param systemId The system identifier (URI).
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see #parse(org.xml.sax.InputSource)
*/
public void parse (String systemId)
throws IOException, SAXException;
}
// end of XMLReader.java

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// DeclHandler.java - Optional handler for DTD declaration events.
// Public Domain: no warranty.
// $Id: DeclHandler.java,v 1.1 2000/10/02 02:43:19 sboag Exp $
package org.xml.sax.ext;
import org.xml.sax.SAXException;
/**
* SAX2 extension handler for DTD declaration events.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This is an optional extension handler for SAX2 to provide
* information about DTD declarations in an XML document. XML
* readers are not required to support this handler.</p>
*
* <p>Note that data-related DTD declarations (unparsed entities and
* notations) are already reported through the {@link
* org.xml.sax.DTDHandler DTDHandler} interface.</p>
*
* <p>If you are using the declaration handler together with a lexical
* handler, all of the events will occur between the
* {@link org.xml.sax.ext.LexicalHandler#startDTD startDTD} and the
* {@link org.xml.sax.ext.LexicalHandler#endDTD endDTD} events.</p>
*
* <p>To set the DeclHandler for an XML reader, use the
* {@link org.xml.sax.XMLReader#setProperty setProperty} method
* with the propertyId "http://xml.org/sax/handlers/DeclHandler".
* If the reader does not support declaration events, it will throw a
* {@link org.xml.sax.SAXNotRecognizedException SAXNotRecognizedException}
* or a
* {@link org.xml.sax.SAXNotSupportedException SAXNotSupportedException}
* when you attempt to register the handler.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0beta
* @see org.xml.sax.XMLReader
*/
public interface DeclHandler
{
/**
* Report an element type declaration.
*
* <p>The content model will consist of the string "EMPTY", the
* string "ANY", or a parenthesised group, optionally followed
* by an occurrence indicator. The model will be normalized so
* that all whitespace is removed,and will include the enclosing
* parentheses.</p>
*
* @param name The element type name.
* @param model The content model as a normalized string.
* @exception SAXException The application may raise an exception.
*/
public abstract void elementDecl (String name, String model)
throws SAXException;
/**
* Report an attribute type declaration.
*
* <p>Only the effective (first) declaration for an attribute will
* be reported. The type will be one of the strings "CDATA",
* "ID", "IDREF", "IDREFS", "NMTOKEN", "NMTOKENS", "ENTITY",
* "ENTITIES", or "NOTATION", or a parenthesized token group with
* the separator "|" and all whitespace removed.</p>
*
* @param eName The name of the associated element.
* @param aName The name of the attribute.
* @param type A string representing the attribute type.
* @param valueDefault A string representing the attribute default
* ("#IMPLIED", "#REQUIRED", or "#FIXED") or null if
* none of these applies.
* @param value A string representing the attribute's default value,
* or null if there is none.
* @exception SAXException The application may raise an exception.
*/
public abstract void attributeDecl (String eName,
String aName,
String type,
String valueDefault,
String value)
throws SAXException;
/**
* Report an internal entity declaration.
*
* <p>Only the effective (first) declaration for each entity
* will be reported.</p>
*
* @param name The name of the entity. If it is a parameter
* entity, the name will begin with '%'.
* @param value The replacement text of the entity.
* @exception SAXException The application may raise an exception.
* @see #externalEntityDecl
* @see org.xml.sax.DTDHandler#unparsedEntityDecl
*/
public abstract void internalEntityDecl (String name, String value)
throws SAXException;
/**
* Report a parsed external entity declaration.
*
* <p>Only the effective (first) declaration for each entity
* will be reported.</p>
*
* @param name The name of the entity. If it is a parameter
* entity, the name will begin with '%'.
* @param publicId The declared public identifier of the entity, or
* null if none was declared.
* @param systemId The declared system identifier of the entity.
* @exception SAXException The application may raise an exception.
* @see #internalEntityDecl
* @see org.xml.sax.DTDHandler#unparsedEntityDecl
*/
public abstract void externalEntityDecl (String name, String publicId,
String systemId)
throws SAXException;
}
// end of DeclHandler.java

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// LexicalHandler.java - optional handler for lexical parse events.
// Public Domain: no warranty.
// $Id: LexicalHandler.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.ext;
import org.xml.sax.SAXException;
/**
* SAX2 extension handler for lexical events.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This is an optional extension handler for SAX2 to provide
* lexical information about an XML document, such as comments
* and CDATA section boundaries; XML readers are not required to
* support this handler.</p>
*
* <p>The events in the lexical handler apply to the entire document,
* not just to the document element, and all lexical handler events
* must appear between the content handler's startDocument and
* endDocument events.</p>
*
* <p>To set the LexicalHandler for an XML reader, use the
* {@link org.xml.sax.XMLReader#setProperty setProperty} method
* with the propertyId "http://xml.org/sax/handlers/LexicalHandler".
* If the reader does not support lexical events, it will throw a
* {@link org.xml.sax.SAXNotRecognizedException SAXNotRecognizedException}
* or a
* {@link org.xml.sax.SAXNotSupportedException SAXNotSupportedException}
* when you attempt to register the handler.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0beta
* @see org.xml.sax.XMLReader#setProperty
* @see org.xml.sax.SAXNotRecognizedException
* @see org.xml.sax.SAXNotSupportedException
*/
public interface LexicalHandler
{
/**
* Report the start of DTD declarations, if any.
*
* <p>Any declarations are assumed to be in the internal subset
* unless otherwise indicated by a {@link #startEntity startEntity}
* event.</p>
*
* <p>Note that the start/endDTD events will appear within
* the start/endDocument events from ContentHandler and
* before the first startElement event.</p>
*
* @param name The document type name.
* @param publicId The declared public identifier for the
* external DTD subset, or null if none was declared.
* @param systemId The declared system identifier for the
* external DTD subset, or null if none was declared.
* @exception SAXException The application may raise an
* exception.
* @see #endDTD
* @see #startEntity
*/
public abstract void startDTD (String name, String publicId,
String systemId)
throws SAXException;
/**
* Report the end of DTD declarations.
*
* @exception SAXException The application may raise an exception.
* @see #startDTD
*/
public abstract void endDTD ()
throws SAXException;
/**
* Report the beginning of an entity in content.
*
* <p><strong>NOTE:</entity> entity references in attribute
* values -- and the start and end of the document entity --
* are never reported.</p>
*
* <p>The start and end of the external DTD subset are reported
* using the pseudo-name "[dtd]". All other events must be
* properly nested within start/end entity events.</p>
*
* <p>Note that skipped entities will be reported through the
* {@link org.xml.sax.ContentHandler#skippedEntity skippedEntity}
* event, which is part of the ContentHandler interface.</p>
*
* @param name The name of the entity. If it is a parameter
* entity, the name will begin with '%'.
* @exception SAXException The application may raise an exception.
* @see #endEntity
* @see org.xml.sax.ext.DeclHandler#internalEntityDecl
* @see org.xml.sax.ext.DeclHandler#externalEntityDecl
*/
public abstract void startEntity (String name)
throws SAXException;
/**
* Report the end of an entity.
*
* @param name The name of the entity that is ending.
* @exception SAXException The application may raise an exception.
* @see #startEntity
*/
public abstract void endEntity (String name)
throws SAXException;
/**
* Report the start of a CDATA section.
*
* <p>The contents of the CDATA section will be reported through
* the regular {@link org.xml.sax.ContentHandler#characters
* characters} event.</p>
*
* @exception SAXException The application may raise an exception.
* @see #endCDATA
*/
public abstract void startCDATA ()
throws SAXException;
/**
* Report the end of a CDATA section.
*
* @exception SAXException The application may raise an exception.
* @see #startCDATA
*/
public abstract void endCDATA ()
throws SAXException;
/**
* Report an XML comment anywhere in the document.
*
* <p>This callback will be used for comments inside or outside the
* document element, including comments in the external DTD
* subset (if read).</p>
*
* @param ch An array holding the characters in the comment.
* @param start The starting position in the array.
* @param length The number of characters to use from the array.
* @exception SAXException The application may raise an exception.
*/
public abstract void comment (char ch[], int start, int length)
throws SAXException;
}
// end of LexicalHandler.java

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// SAX default implementation for AttributeList.
// No warranty; no copyright -- use this as you will.
// $Id: AttributeListImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import org.xml.sax.AttributeList;
import java.util.Vector;
/**
* Default implementation for AttributeList.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>AttributeList implements the deprecated SAX1 {@link
* org.xml.sax.AttributeList AttributeList} interface, and has been
* replaced by the new SAX2 {@link org.xml.sax.helpers.AttributesImpl
* AttributesImpl} interface.</p>
*
* <p>This class provides a convenience implementation of the SAX
* {@link org.xml.sax.AttributeList AttributeList} interface. This
* implementation is useful both for SAX parser writers, who can use
* it to provide attributes to the application, and for SAX application
* writers, who can use it to create a persistent copy of an element's
* attribute specifications:</p>
*
* <pre>
* private AttributeList myatts;
*
* public void startElement (String name, AttributeList atts)
* {
* // create a persistent copy of the attribute list
* // for use outside this method
* myatts = new AttributeListImpl(atts);
* [...]
* }
* </pre>
*
* <p>Please note that SAX parsers are not required to use this
* class to provide an implementation of AttributeList; it is
* supplied only as an optional convenience. In particular,
* parser writers are encouraged to invent more efficient
* implementations.</p>
*
* @deprecated This class implements a deprecated interface,
* {@link org.xml.sax.AttributeList AttributeList};
* that interface has been replaced by
* {@link org.xml.sax.Attributes Attributes},
* which is implemented in the
* {@link org.xml.sax.helpers.AttributesImpl
* AttributesImpl} helper class.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.AttributeList
* @see org.xml.sax.DocumentHandler#startElement
*/
public class AttributeListImpl implements AttributeList
{
/**
* Create an empty attribute list.
*
* <p>This constructor is most useful for parser writers, who
* will use it to create a single, reusable attribute list that
* can be reset with the clear method between elements.</p>
*
* @see #addAttribute
* @see #clear
*/
public AttributeListImpl ()
{
}
/**
* Construct a persistent copy of an existing attribute list.
*
* <p>This constructor is most useful for application writers,
* who will use it to create a persistent copy of an existing
* attribute list.</p>
*
* @param atts The attribute list to copy
* @see org.xml.sax.DocumentHandler#startElement
*/
public AttributeListImpl (AttributeList atts)
{
setAttributeList(atts);
}
////////////////////////////////////////////////////////////////////
// Methods specific to this class.
////////////////////////////////////////////////////////////////////
/**
* Set the attribute list, discarding previous contents.
*
* <p>This method allows an application writer to reuse an
* attribute list easily.</p>
*
* @param atts The attribute list to copy.
*/
public void setAttributeList (AttributeList atts)
{
int count = atts.getLength();
clear();
for (int i = 0; i < count; i++) {
addAttribute(atts.getName(i), atts.getType(i), atts.getValue(i));
}
}
/**
* Add an attribute to an attribute list.
*
* <p>This method is provided for SAX parser writers, to allow them
* to build up an attribute list incrementally before delivering
* it to the application.</p>
*
* @param name The attribute name.
* @param type The attribute type ("NMTOKEN" for an enumeration).
* @param value The attribute value (must not be null).
* @see #removeAttribute
* @see org.xml.sax.DocumentHandler#startElement
*/
public void addAttribute (String name, String type, String value)
{
names.addElement(name);
types.addElement(type);
values.addElement(value);
}
/**
* Remove an attribute from the list.
*
* <p>SAX application writers can use this method to filter an
* attribute out of an AttributeList. Note that invoking this
* method will change the length of the attribute list and
* some of the attribute's indices.</p>
*
* <p>If the requested attribute is not in the list, this is
* a no-op.</p>
*
* @param name The attribute name.
* @see #addAttribute
*/
public void removeAttribute (String name)
{
int i = names.indexOf(name);
if (i >= 0) {
names.removeElementAt(i);
types.removeElementAt(i);
values.removeElementAt(i);
}
}
/**
* Clear the attribute list.
*
* <p>SAX parser writers can use this method to reset the attribute
* list between DocumentHandler.startElement events. Normally,
* it will make sense to reuse the same AttributeListImpl object
* rather than allocating a new one each time.</p>
*
* @see org.xml.sax.DocumentHandler#startElement
*/
public void clear ()
{
names.removeAllElements();
types.removeAllElements();
values.removeAllElements();
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.AttributeList
////////////////////////////////////////////////////////////////////
/**
* Return the number of attributes in the list.
*
* @return The number of attributes in the list.
* @see org.xml.sax.AttributeList#getLength
*/
public int getLength ()
{
return names.size();
}
/**
* Get the name of an attribute (by position).
*
* @param i The position of the attribute in the list.
* @return The attribute name as a string, or null if there
* is no attribute at that position.
* @see org.xml.sax.AttributeList#getName(int)
*/
public String getName (int i)
{
if (i < 0) {
return null;
}
try {
return (String)names.elementAt(i);
} catch (ArrayIndexOutOfBoundsException e) {
return null;
}
}
/**
* Get the type of an attribute (by position).
*
* @param i The position of the attribute in the list.
* @return The attribute type as a string ("NMTOKEN" for an
* enumeration, and "CDATA" if no declaration was
* read), or null if there is no attribute at
* that position.
* @see org.xml.sax.AttributeList#getType(int)
*/
public String getType (int i)
{
if (i < 0) {
return null;
}
try {
return (String)types.elementAt(i);
} catch (ArrayIndexOutOfBoundsException e) {
return null;
}
}
/**
* Get the value of an attribute (by position).
*
* @param i The position of the attribute in the list.
* @return The attribute value as a string, or null if
* there is no attribute at that position.
* @see org.xml.sax.AttributeList#getValue(int)
*/
public String getValue (int i)
{
if (i < 0) {
return null;
}
try {
return (String)values.elementAt(i);
} catch (ArrayIndexOutOfBoundsException e) {
return null;
}
}
/**
* Get the type of an attribute (by name).
*
* @param name The attribute name.
* @return The attribute type as a string ("NMTOKEN" for an
* enumeration, and "CDATA" if no declaration was
* read).
* @see org.xml.sax.AttributeList#getType(java.lang.String)
*/
public String getType (String name)
{
return getType(names.indexOf(name));
}
/**
* Get the value of an attribute (by name).
*
* @param name The attribute name.
* @see org.xml.sax.AttributeList#getValue(java.lang.String)
*/
public String getValue (String name)
{
return getValue(names.indexOf(name));
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
Vector names = new Vector();
Vector types = new Vector();
Vector values = new Vector();
}
// end of AttributeListImpl.java

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// AttributesImpl.java - default implementation of Attributes.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the public domain.
// $Id: AttributesImpl.java,v 1.2 2001/05/31 16:03:17 garyp Exp $
package org.xml.sax.helpers;
import org.xml.sax.Attributes;
/**
* Default implementation of the Attributes interface.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class provides a default implementation of the SAX2
* {@link org.xml.sax.Attributes Attributes} interface, with the
* addition of manipulators so that the list can be modified or
* reused.</p>
*
* <p>There are two typical uses of this class:</p>
*
* <ol>
* <li>to take a persistent snapshot of an Attributes object
* in a {@link org.xml.sax.ContentHandler#startElement startElement} event; or</li>
* <li>to construct or modify an Attributes object in a SAX2 driver or filter.</li>
* </ol>
*
* <p>This class replaces the now-deprecated SAX1 {@link
* org.xml.sax.helpers.AttributeListImpl AttributeListImpl}
* class; in addition to supporting the updated Attributes
* interface rather than the deprecated {@link org.xml.sax.AttributeList
* AttributeList} interface, it also includes a much more efficient
* implementation using a single array rather than a set of Vectors.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
*/
public class AttributesImpl implements Attributes
{
////////////////////////////////////////////////////////////////////
// Constructors.
////////////////////////////////////////////////////////////////////
/**
* Construct a new, empty AttributesImpl object.
*/
public AttributesImpl ()
{
length = 0;
data = null;
}
/**
* Copy an existing Attributes object.
*
* <p>This constructor is especially useful inside a
* {@link org.xml.sax.ContentHandler#startElement startElement} event.</p>
*
* @param atts The existing Attributes object.
*/
public AttributesImpl (Attributes atts)
{
setAttributes(atts);
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.Attributes.
////////////////////////////////////////////////////////////////////
/**
* Return the number of attributes in the list.
*
* @return The number of attributes in the list.
* @see org.xml.sax.Attributes#getLength
*/
public int getLength ()
{
return length;
}
/**
* Return an attribute's Namespace URI.
*
* @param index The attribute's index (zero-based).
* @return The Namespace URI, the empty string if none is
* available, or null if the index is out of range.
* @see org.xml.sax.Attributes#getURI
*/
public String getURI (int index)
{
if (index >= 0 && index < length) {
return data[index*5];
} else {
return null;
}
}
/**
* Return an attribute's local name.
*
* @param index The attribute's index (zero-based).
* @return The attribute's local name, the empty string if
* none is available, or null if the index if out of range.
* @see org.xml.sax.Attributes#getLocalName
*/
public String getLocalName (int index)
{
if (index >= 0 && index < length) {
return data[index*5+1];
} else {
return null;
}
}
/**
* Return an attribute's qualified (prefixed) name.
*
* @param index The attribute's index (zero-based).
* @return The attribute's qualified name, the empty string if
* none is available, or null if the index is out of bounds.
* @see org.xml.sax.Attributes#getQName
*/
public String getQName (int index)
{
if (index >= 0 && index < length) {
return data[index*5+2];
} else {
return null;
}
}
/**
* Return an attribute's type by index.
*
* @param index The attribute's index (zero-based).
* @return The attribute's type, "CDATA" if the type is unknown, or null
* if the index is out of bounds.
* @see org.xml.sax.Attributes#getType(int)
*/
public String getType (int index)
{
if (index >= 0 && index < length) {
return data[index*5+3];
} else {
return null;
}
}
/**
* Return an attribute's value by index.
*
* @param index The attribute's index (zero-based).
* @return The attribute's value or null if the index is out of bounds.
* @see org.xml.sax.Attributes#getValue(int)
*/
public String getValue (int index)
{
if (index >= 0 && index < length) {
return data[index*5+4];
} else {
return null;
}
}
/**
* Look up an attribute's index by Namespace name.
*
* <p>In many cases, it will be more efficient to look up the name once and
* use the index query methods rather than using the name query methods
* repeatedly.</p>
*
* @param uri The attribute's Namespace URI, or the empty
* string if none is available.
* @param localName The attribute's local name.
* @return The attribute's index, or -1 if none matches.
* @see org.xml.sax.Attributes#getIndex(java.lang.String,java.lang.String)
*/
public int getIndex (String uri, String localName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i].equals(uri) && data[i+1].equals(localName)) {
return i / 5;
}
}
return -1;
}
/**
* Look up an attribute's index by qualified (prefixed) name.
*
* @param qName The qualified name.
* @return The attribute's index, or -1 if none matches.
* @see org.xml.sax.Attributes#getIndex(java.lang.String)
*/
public int getIndex (String qName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i+2].equals(qName)) {
return i / 5;
}
}
return -1;
}
/**
* Look up an attribute's type by Namespace-qualified name.
*
* @param uri The Namespace URI, or the empty string for a name
* with no explicit Namespace URI.
* @param localName The local name.
* @return The attribute's type, or null if there is no
* matching attribute.
* @see org.xml.sax.Attributes#getType(java.lang.String,java.lang.String)
*/
public String getType (String uri, String localName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i].equals(uri) && data[i+1].equals(localName)) {
return data[i+3];
}
}
return null;
}
/**
* Look up an attribute's type by qualified (prefixed) name.
*
* @param qName The qualified name.
* @return The attribute's type, or null if there is no
* matching attribute.
* @see org.xml.sax.Attributes#getType(java.lang.String)
*/
public String getType (String qName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i+2].equals(qName)) {
return data[i+3];
}
}
return null;
}
/**
* Look up an attribute's value by Namespace-qualified name.
*
* @param uri The Namespace URI, or the empty string for a name
* with no explicit Namespace URI.
* @param localName The local name.
* @return The attribute's value, or null if there is no
* matching attribute.
* @see org.xml.sax.Attributes#getValue(java.lang.String,java.lang.String)
*/
public String getValue (String uri, String localName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i].equals(uri) && data[i+1].equals(localName)) {
return data[i+4];
}
}
return null;
}
/**
* Look up an attribute's value by qualified (prefixed) name.
*
* @param qName The qualified name.
* @return The attribute's value, or null if there is no
* matching attribute.
* @see org.xml.sax.Attributes#getValue(java.lang.String)
*/
public String getValue (String qName)
{
int max = length * 5;
for (int i = 0; i < max; i += 5) {
if (data[i+2].equals(qName)) {
return data[i+4];
}
}
return null;
}
////////////////////////////////////////////////////////////////////
// Manipulators.
////////////////////////////////////////////////////////////////////
/**
* Clear the attribute list for reuse.
*
* <p>Note that no memory is actually freed by this call:
* the current arrays are kept so that they can be
* reused.</p>
*/
public void clear ()
{
length = 0;
}
/**
* Copy an entire Attributes object.
*
* <p>It may be more efficient to reuse an existing object
* rather than constantly allocating new ones.</p>
*
* @param atts The attributes to copy.
*/
public void setAttributes (Attributes atts)
{
clear();
length = atts.getLength();
data = new String[length*5];
for (int i = 0; i < length; i++) {
data[i*5] = atts.getURI(i);
data[i*5+1] = atts.getLocalName(i);
data[i*5+2] = atts.getQName(i);
data[i*5+3] = atts.getType(i);
data[i*5+4] = atts.getValue(i);
}
}
/**
* Add an attribute to the end of the list.
*
* <p>For the sake of speed, this method does no checking
* to see if the attribute is already in the list: that is
* the responsibility of the application.</p>
*
* @param uri The Namespace URI, or the empty string if
* none is available or Namespace processing is not
* being performed.
* @param localName The local name, or the empty string if
* Namespace processing is not being performed.
* @param qName The qualified (prefixed) name, or the empty string
* if qualified names are not available.
* @param type The attribute type as a string.
* @param value The attribute value.
*/
public void addAttribute (String uri, String localName, String qName,
String type, String value)
{
ensureCapacity(length+1);
data[length*5] = uri;
data[length*5+1] = localName;
data[length*5+2] = qName;
data[length*5+3] = type;
data[length*5+4] = value;
length++;
}
/**
* Set an attribute in the list.
*
* <p>For the sake of speed, this method does no checking
* for name conflicts or well-formedness: such checks are the
* responsibility of the application.</p>
*
* @param index The index of the attribute (zero-based).
* @param uri The Namespace URI, or the empty string if
* none is available or Namespace processing is not
* being performed.
* @param localName The local name, or the empty string if
* Namespace processing is not being performed.
* @param qName The qualified name, or the empty string
* if qualified names are not available.
* @param type The attribute type as a string.
* @param value The attribute value.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setAttribute (int index, String uri, String localName,
String qName, String type, String value)
{
if (index >= 0 && index < length) {
data[index*5] = uri;
data[index*5+1] = localName;
data[index*5+2] = qName;
data[index*5+3] = type;
data[index*5+4] = value;
} else {
badIndex(index);
}
}
/**
* Remove an attribute from the list.
*
* @param index The index of the attribute (zero-based).
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void removeAttribute (int index)
{
if (index >= 0 && index < length) {
data[index*5] = null;
data[index*5+1] = null;
data[index*5+2] = null;
data[index*5+3] = null;
data[index*5+4] = null;
if (index < length - 1) {
System.arraycopy(data, (index+1)*5, data, index*5,
(length-index-1)*5);
}
length--;
} else {
badIndex(index);
}
}
/**
* Set the Namespace URI of a specific attribute.
*
* @param index The index of the attribute (zero-based).
* @param uri The attribute's Namespace URI, or the empty
* string for none.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setURI (int index, String uri)
{
if (index >= 0 && index < length) {
data[index*5] = uri;
} else {
badIndex(index);
}
}
/**
* Set the local name of a specific attribute.
*
* @param index The index of the attribute (zero-based).
* @param localName The attribute's local name, or the empty
* string for none.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setLocalName (int index, String localName)
{
if (index >= 0 && index < length) {
data[index*5+1] = localName;
} else {
badIndex(index);
}
}
/**
* Set the qualified name of a specific attribute.
*
* @param index The index of the attribute (zero-based).
* @param qName The attribute's qualified name, or the empty
* string for none.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setQName (int index, String qName)
{
if (index >= 0 && index < length) {
data[index*5+2] = qName;
} else {
badIndex(index);
}
}
/**
* Set the type of a specific attribute.
*
* @param index The index of the attribute (zero-based).
* @param type The attribute's type.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setType (int index, String type)
{
if (index >= 0 && index < length) {
data[index*5+3] = type;
} else {
badIndex(index);
}
}
/**
* Set the value of a specific attribute.
*
* @param index The index of the attribute (zero-based).
* @param value The attribute's value.
* @exception java.lang.ArrayIndexOutOfBoundsException When the
* supplied index does not point to an attribute
* in the list.
*/
public void setValue (int index, String value)
{
if (index >= 0 && index < length) {
data[index*5+4] = value;
} else {
badIndex(index);
}
}
////////////////////////////////////////////////////////////////////
// Internal methods.
////////////////////////////////////////////////////////////////////
/**
* Ensure the internal array's capacity.
*
* @param n The minimum number of attributes that the array must
* be able to hold.
*/
private void ensureCapacity (int n)
{
if (n > 0 && data == null) {
data = new String[25];
}
int max = data.length;
if (max >= n * 5) {
return;
}
while (max < n * 5) {
max *= 2;
}
String newData[] = new String[max];
System.arraycopy(data, 0, newData, 0, length*5);
data = newData;
}
/**
* Report a bad array index in a manipulator.
*
* @param index The index to report.
* @exception java.lang.ArrayIndexOutOfBoundsException Always.
*/
private void badIndex (int index)
throws ArrayIndexOutOfBoundsException
{
String msg =
"Attempt to modify attribute at illegal index: " + index;
throw new ArrayIndexOutOfBoundsException(msg);
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
int length;
String data [];
}
// end of AttributesImpl.java

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// DefaultHandler.java - default implementation of the core handlers.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the public domain.
// $Id: DefaultHandler.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;
import org.xml.sax.EntityResolver;
import org.xml.sax.DTDHandler;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* Default base class for SAX2 event handlers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class is available as a convenience base class for SAX2
* applications: it provides default implementations for all of the
* callbacks in the four core SAX2 handler classes:</p>
*
* <ul>
* <li>{@link org.xml.sax.EntityResolver EntityResolver}</li>
* <li>{@link org.xml.sax.DTDHandler DTDHandler}</li>
* <li>{@link org.xml.sax.ContentHandler ContentHandler}</li>
* <li>{@link org.xml.sax.ErrorHandler ErrorHandler}</li>
* </ul>
*
* <p>Application writers can extend this class when they need to
* implement only part of an interface; parser writers can
* instantiate this class to provide default handlers when the
* application has not supplied its own.</p>
*
* <p>This class replaces the deprecated SAX1
* {@link org.xml.sax.HandlerBase HandlerBase} class.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.EntityResolver
* @see org.xml.sax.DTDHandler
* @see org.xml.sax.ContentHandler
* @see org.xml.sax.ErrorHandler
*/
public class DefaultHandler
implements EntityResolver, DTDHandler, ContentHandler, ErrorHandler
{
////////////////////////////////////////////////////////////////////
// Default implementation of the EntityResolver interface.
////////////////////////////////////////////////////////////////////
/**
* Resolve an external entity.
*
* <p>Always return null, so that the parser will use the system
* identifier provided in the XML document. This method implements
* the SAX default behaviour: application writers can override it
* in a subclass to do special translations such as catalog lookups
* or URI redirection.</p>
*
* @param publicId The public identifer, or null if none is
* available.
* @param systemId The system identifier provided in the XML
* document.
* @return The new input source, or null to require the
* default behaviour.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.EntityResolver#resolveEntity
*/
public InputSource resolveEntity (String publicId, String systemId)
throws SAXException
{
return null;
}
////////////////////////////////////////////////////////////////////
// Default implementation of DTDHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive notification of a notation declaration.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass if they wish to keep track of the notations
* declared in a document.</p>
*
* @param name The notation name.
* @param publicId The notation public identifier, or null if not
* available.
* @param systemId The notation system identifier.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DTDHandler#notationDecl
*/
public void notationDecl (String name, String publicId, String systemId)
throws SAXException
{
// no op
}
/**
* Receive notification of an unparsed entity declaration.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to keep track of the unparsed entities
* declared in a document.</p>
*
* @param name The entity name.
* @param publicId The entity public identifier, or null if not
* available.
* @param systemId The entity system identifier.
* @param notationName The name of the associated notation.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.DTDHandler#unparsedEntityDecl
*/
public void unparsedEntityDecl (String name, String publicId,
String systemId, String notationName)
throws SAXException
{
// no op
}
////////////////////////////////////////////////////////////////////
// Default implementation of ContentHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive a Locator object for document events.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass if they wish to store the locator for use
* with other document events.</p>
*
* @param locator A locator for all SAX document events.
* @see org.xml.sax.ContentHandler#setDocumentLocator
* @see org.xml.sax.Locator
*/
public void setDocumentLocator (Locator locator)
{
// no op
}
/**
* Receive notification of the beginning of the document.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the beginning
* of a document (such as allocating the root node of a tree or
* creating an output file).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#startDocument
*/
public void startDocument ()
throws SAXException
{
// no op
}
/**
* Receive notification of the end of the document.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the end
* of a document (such as finalising a tree or closing an output
* file).</p>
*
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#endDocument
*/
public void endDocument ()
throws SAXException
{
// no op
}
/**
* Receive notification of the start of a Namespace mapping.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the start of
* each Namespace prefix scope (such as storing the prefix mapping).</p>
*
* @param prefix The Namespace prefix being declared.
* @param uri The Namespace URI mapped to the prefix.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#startPrefixMapping
*/
public void startPrefixMapping (String prefix, String uri)
throws SAXException
{
// no op
}
/**
* Receive notification of the end of a Namespace mapping.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the end of
* each prefix mapping.</p>
*
* @param prefix The Namespace prefix being declared.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#endPrefixMapping
*/
public void endPrefixMapping (String prefix)
throws SAXException
{
// no op
}
/**
* Receive notification of the start of an element.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the start of
* each element (such as allocating a new tree node or writing
* output to a file).</p>
*
* @param name The element type name.
* @param attributes The specified or defaulted attributes.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#startElement
*/
public void startElement (String uri, String localName,
String qName, Attributes attributes)
throws SAXException
{
// no op
}
/**
* Receive notification of the end of an element.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions at the end of
* each element (such as finalising a tree node or writing
* output to a file).</p>
*
* @param name The element type name.
* @param attributes The specified or defaulted attributes.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#endElement
*/
public void endElement (String uri, String localName, String qName)
throws SAXException
{
// no op
}
/**
* Receive notification of character data inside an element.
*
* <p>By default, do nothing. Application writers may override this
* method to take specific actions for each chunk of character data
* (such as adding the data to a node or buffer, or printing it to
* a file).</p>
*
* @param ch The characters.
* @param start The start position in the character array.
* @param length The number of characters to use from the
* character array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#characters
*/
public void characters (char ch[], int start, int length)
throws SAXException
{
// no op
}
/**
* Receive notification of ignorable whitespace in element content.
*
* <p>By default, do nothing. Application writers may override this
* method to take specific actions for each chunk of ignorable
* whitespace (such as adding data to a node or buffer, or printing
* it to a file).</p>
*
* @param ch The whitespace characters.
* @param start The start position in the character array.
* @param length The number of characters to use from the
* character array.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#ignorableWhitespace
*/
public void ignorableWhitespace (char ch[], int start, int length)
throws SAXException
{
// no op
}
/**
* Receive notification of a processing instruction.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions for each
* processing instruction, such as setting status variables or
* invoking other methods.</p>
*
* @param target The processing instruction target.
* @param data The processing instruction data, or null if
* none is supplied.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#processingInstruction
*/
public void processingInstruction (String target, String data)
throws SAXException
{
// no op
}
/**
* Receive notification of a skipped entity.
*
* <p>By default, do nothing. Application writers may override this
* method in a subclass to take specific actions for each
* processing instruction, such as setting status variables or
* invoking other methods.</p>
*
* @param name The name of the skipped entity.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ContentHandler#processingInstruction
*/
public void skippedEntity (String name)
throws SAXException
{
// no op
}
////////////////////////////////////////////////////////////////////
// Default implementation of the ErrorHandler interface.
////////////////////////////////////////////////////////////////////
/**
* Receive notification of a parser warning.
*
* <p>The default implementation does nothing. Application writers
* may override this method in a subclass to take specific actions
* for each warning, such as inserting the message in a log file or
* printing it to the console.</p>
*
* @param e The warning information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#warning
* @see org.xml.sax.SAXParseException
*/
public void warning (SAXParseException e)
throws SAXException
{
// no op
}
/**
* Receive notification of a recoverable parser error.
*
* <p>The default implementation does nothing. Application writers
* may override this method in a subclass to take specific actions
* for each error, such as inserting the message in a log file or
* printing it to the console.</p>
*
* @param e The warning information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#warning
* @see org.xml.sax.SAXParseException
*/
public void error (SAXParseException e)
throws SAXException
{
// no op
}
/**
* Report a fatal XML parsing error.
*
* <p>The default implementation throws a SAXParseException.
* Application writers may override this method in a subclass if
* they need to take specific actions for each fatal error (such as
* collecting all of the errors into a single report): in any case,
* the application must stop all regular processing when this
* method is invoked, since the document is no longer reliable, and
* the parser may no longer report parsing events.</p>
*
* @param e The error information encoded as an exception.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @see org.xml.sax.ErrorHandler#fatalError
* @see org.xml.sax.SAXParseException
*/
public void fatalError (SAXParseException e)
throws SAXException
{
throw e;
}
}
// end of DefaultHandler.java

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// SAX default implementation for Locator.
// No warranty; no copyright -- use this as you will.
// $Id: LocatorImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import org.xml.sax.Locator;
/**
* Provide an optional convenience implementation of Locator.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class is available mainly for application writers, who
* can use it to make a persistent snapshot of a locator at any
* point during a document parse:</p>
*
* <pre>
* Locator locator;
* Locator startloc;
*
* public void setLocator (Locator locator)
* {
* // note the locator
* this.locator = locator;
* }
*
* public void startDocument ()
* {
* // save the location of the start of the document
* // for future use.
* Locator startloc = new LocatorImpl(locator);
* }
*</pre>
*
* <p>Normally, parser writers will not use this class, since it
* is more efficient to provide location information only when
* requested, rather than constantly updating a Locator object.</p>
*
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Locator Locator
*/
public class LocatorImpl implements Locator
{
/**
* Zero-argument constructor.
*
* <p>This will not normally be useful, since the main purpose
* of this class is to make a snapshot of an existing Locator.</p>
*/
public LocatorImpl ()
{
}
/**
* Copy constructor.
*
* <p>Create a persistent copy of the current state of a locator.
* When the original locator changes, this copy will still keep
* the original values (and it can be used outside the scope of
* DocumentHandler methods).</p>
*
* @param locator The locator to copy.
*/
public LocatorImpl (Locator locator)
{
setPublicId(locator.getPublicId());
setSystemId(locator.getSystemId());
setLineNumber(locator.getLineNumber());
setColumnNumber(locator.getColumnNumber());
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.Locator
////////////////////////////////////////////////////////////////////
/**
* Return the saved public identifier.
*
* @return The public identifier as a string, or null if none
* is available.
* @see org.xml.sax.Locator#getPublicId
* @see #setPublicId
*/
public String getPublicId ()
{
return publicId;
}
/**
* Return the saved system identifier.
*
* @return The system identifier as a string, or null if none
* is available.
* @see org.xml.sax.Locator#getSystemId
* @see #setSystemId
*/
public String getSystemId ()
{
return systemId;
}
/**
* Return the saved line number (1-based).
*
* @return The line number as an integer, or -1 if none is available.
* @see org.xml.sax.Locator#getLineNumber
* @see #setLineNumber
*/
public int getLineNumber ()
{
return lineNumber;
}
/**
* Return the saved column number (1-based).
*
* @return The column number as an integer, or -1 if none is available.
* @see org.xml.sax.Locator#getColumnNumber
* @see #setColumnNumber
*/
public int getColumnNumber ()
{
return columnNumber;
}
////////////////////////////////////////////////////////////////////
// Setters for the properties (not in org.xml.sax.Locator)
////////////////////////////////////////////////////////////////////
/**
* Set the public identifier for this locator.
*
* @param publicId The new public identifier, or null
* if none is available.
* @see #getPublicId
*/
public void setPublicId (String publicId)
{
this.publicId = publicId;
}
/**
* Set the system identifier for this locator.
*
* @param systemId The new system identifier, or null
* if none is available.
* @see #getSystemId
*/
public void setSystemId (String systemId)
{
this.systemId = systemId;
}
/**
* Set the line number for this locator (1-based).
*
* @param lineNumber The line number, or -1 if none is available.
* @see #getLineNumber
*/
public void setLineNumber (int lineNumber)
{
this.lineNumber = lineNumber;
}
/**
* Set the column number for this locator (1-based).
*
* @param columnNumber The column number, or -1 if none is available.
* @see #getColumnNumber
*/
public void setColumnNumber (int columnNumber)
{
this.columnNumber = columnNumber;
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
private String publicId;
private String systemId;
private int lineNumber;
private int columnNumber;
}
// end of LocatorImpl.java

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// NamespaceSupport.java - generic Namespace support for SAX.
// Written by David Megginson, sax@megginson.com
// This class is in the Public Domain. NO WARRANTY!
// $Id: NamespaceSupport.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import java.util.EmptyStackException;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
/**
* Encapsulate Namespace logic for use by SAX drivers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class encapsulates the logic of Namespace processing:
* it tracks the declarations currently in force for each context
* and automatically processes qualified XML 1.0 names into their
* Namespace parts; it can also be used in reverse for generating
* XML 1.0 from Namespaces.</p>
*
* <p>Namespace support objects are reusable, but the reset method
* must be invoked between each session.</p>
*
* <p>Here is a simple session:</p>
*
* <pre>
* String parts[] = new String[3];
* NamespaceSupport support = new NamespaceSupport();
*
* support.pushContext();
* support.declarePrefix("", "http://www.w3.org/1999/xhtml");
* support.declarePrefix("dc", "http://www.purl.org/dc#");
*
* String parts[] = support.processName("p", parts, false);
* System.out.println("Namespace URI: " + parts[0]);
* System.out.println("Local name: " + parts[1]);
* System.out.println("Raw name: " + parts[2]);
* String parts[] = support.processName("dc:title", parts, false);
* System.out.println("Namespace URI: " + parts[0]);
* System.out.println("Local name: " + parts[1]);
* System.out.println("Raw name: " + parts[2]);
* support.popContext();
* </pre>
*
* <p>Note that this class is optimized for the use case where most
* elements do not contain Namespace declarations: if the same
* prefix/URI mapping is repeated for each context (for example), this
* class will be somewhat less efficient.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
*/
public class NamespaceSupport
{
////////////////////////////////////////////////////////////////////
// Constants.
////////////////////////////////////////////////////////////////////
/**
* The XML Namespace as a constant.
*
* <p>This is the Namespace URI that is automatically mapped
* to the "xml" prefix.</p>
*/
public final static String XMLNS =
"http://www.w3.org/XML/1998/namespace";
/**
* An empty enumeration.
*/
private final static Enumeration EMPTY_ENUMERATION =
new Vector().elements();
////////////////////////////////////////////////////////////////////
// Constructor.
////////////////////////////////////////////////////////////////////
/**
* Create a new Namespace support object.
*/
public NamespaceSupport ()
{
reset();
}
////////////////////////////////////////////////////////////////////
// Context management.
////////////////////////////////////////////////////////////////////
/**
* Reset this Namespace support object for reuse.
*
* <p>It is necessary to invoke this method before reusing the
* Namespace support object for a new session.</p>
*/
public void reset ()
{
contexts = new Context[32];
contextPos = 0;
contexts[contextPos] = currentContext = new Context();
currentContext.declarePrefix("xml", XMLNS);
}
/**
* Start a new Namespace context.
*
* <p>Normally, you should push a new context at the beginning
* of each XML element: the new context will automatically inherit
* the declarations of its parent context, but it will also keep
* track of which declarations were made within this context.</p>
*
* <p>The Namespace support object always starts with a base context
* already in force: in this context, only the "xml" prefix is
* declared.</p>
*
* @see #popContext
*/
public void pushContext ()
{
int max = contexts.length;
contextPos++;
// Extend the array if necessary
if (contextPos >= max) {
Context newContexts[] = new Context[max*2];
System.arraycopy(contexts, 0, newContexts, 0, max);
max *= 2;
contexts = newContexts;
}
// Allocate the context if necessary.
currentContext = contexts[contextPos];
if (currentContext == null) {
contexts[contextPos] = currentContext = new Context();
}
// Set the parent, if any.
if (contextPos > 0) {
currentContext.setParent(contexts[contextPos - 1]);
}
}
/**
* Revert to the previous Namespace context.
*
* <p>Normally, you should pop the context at the end of each
* XML element. After popping the context, all Namespace prefix
* mappings that were previously in force are restored.</p>
*
* <p>You must not attempt to declare additional Namespace
* prefixes after popping a context, unless you push another
* context first.</p>
*
* @see #pushContext
*/
public void popContext ()
{
contextPos--;
if (contextPos < 0) {
throw new EmptyStackException();
}
currentContext = contexts[contextPos];
}
////////////////////////////////////////////////////////////////////
// Operations within a context.
////////////////////////////////////////////////////////////////////
/**
* Declare a Namespace prefix.
*
* <p>This method declares a prefix in the current Namespace
* context; the prefix will remain in force until this context
* is popped, unless it is shadowed in a descendant context.</p>
*
* <p>To declare a default Namespace, use the empty string. The
* prefix must not be "xml" or "xmlns".</p>
*
* <p>Note that you must <em>not</em> declare a prefix after
* you've pushed and popped another Namespace.</p>
*
* <p>Note that there is an asymmetry in this library: while {@link
* #getPrefix getPrefix} will not return the default "" prefix,
* even if you have declared one; to check for a default prefix,
* you have to look it up explicitly using {@link #getURI getURI}.
* This asymmetry exists to make it easier to look up prefixes
* for attribute names, where the default prefix is not allowed.</p>
*
* @param prefix The prefix to declare, or null for the empty
* string.
* @param uri The Namespace URI to associate with the prefix.
* @return true if the prefix was legal, false otherwise
* @see #processName
* @see #getURI
* @see #getPrefix
*/
public boolean declarePrefix (String prefix, String uri)
{
if (prefix.equals("xml") || prefix.equals("xmlns")) {
return false;
} else {
currentContext.declarePrefix(prefix, uri);
return true;
}
}
/**
* Process a raw XML 1.0 name.
*
* <p>This method processes a raw XML 1.0 name in the current
* context by removing the prefix and looking it up among the
* prefixes currently declared. The return value will be the
* array supplied by the caller, filled in as follows:</p>
*
* <dl>
* <dt>parts[0]</dt>
* <dd>The Namespace URI, or an empty string if none is
* in use.</dd>
* <dt>parts[1]</dt>
* <dd>The local name (without prefix).</dd>
* <dt>parts[2]</dt>
* <dd>The original raw name.</dd>
* </dl>
*
* <p>All of the strings in the array will be internalized. If
* the raw name has a prefix that has not been declared, then
* the return value will be null.</p>
*
* <p>Note that attribute names are processed differently than
* element names: an unprefixed element name will received the
* default Namespace (if any), while an unprefixed element name
* will not.</p>
*
* @param qName The raw XML 1.0 name to be processed.
* @param parts An array supplied by the caller, capable of
* holding at least three members.
* @param isAttribute A flag indicating whether this is an
* attribute name (true) or an element name (false).
* @return The supplied array holding three internalized strings
* representing the Namespace URI (or empty string), the
* local name, and the raw XML 1.0 name; or null if there
* is an undeclared prefix.
* @see #declarePrefix
* @see java.lang.String#intern */
public String [] processName (String qName, String parts[],
boolean isAttribute)
{
String myParts[] = currentContext.processName(qName, isAttribute);
if (myParts == null) {
return null;
} else {
parts[0] = myParts[0];
parts[1] = myParts[1];
parts[2] = myParts[2];
return parts;
}
}
/**
* Look up a prefix and get the currently-mapped Namespace URI.
*
* <p>This method looks up the prefix in the current context.
* Use the empty string ("") for the default Namespace.</p>
*
* @param prefix The prefix to look up.
* @return The associated Namespace URI, or null if the prefix
* is undeclared in this context.
* @see #getPrefix
* @see #getPrefixes
*/
public String getURI (String prefix)
{
return currentContext.getURI(prefix);
}
/**
* Return an enumeration of all prefixes currently declared.
*
* <p><strong>Note:</strong> if there is a default prefix, it will not be
* returned in this enumeration; check for the default prefix
* using the {@link #getURI getURI} with an argument of "".</p>
*
* @return An enumeration of all prefixes declared in the
* current context except for the empty (default)
* prefix.
* @see #getDeclaredPrefixes
* @see #getURI
*/
public Enumeration getPrefixes ()
{
return currentContext.getPrefixes();
}
/**
* Return one of the prefixes mapped to a Namespace URI.
*
* <p>If more than one prefix is currently mapped to the same
* URI, this method will make an arbitrary selection; if you
* want all of the prefixes, use the {@link #getPrefixes}
* method instead.</p>
*
* <p><strong>Note:</strong> this will never return the empty (default) prefix;
* to check for a default prefix, use the {@link #getURI getURI}
* method with an argument of "".</p>
*
* @param uri The Namespace URI.
* @param isAttribute true if this prefix is for an attribute
* (and the default Namespace is not allowed).
* @return One of the prefixes currently mapped to the URI supplied,
* or null if none is mapped or if the URI is assigned to
* the default Namespace.
* @see #getPrefixes(java.lang.String)
* @see #getURI
*/
public String getPrefix (String uri)
{
return currentContext.getPrefix(uri);
}
/**
* Return an enumeration of all prefixes currently declared for a URI.
*
* <p>This method returns prefixes mapped to a specific Namespace
* URI. The xml: prefix will be included. If you want only one
* prefix that's mapped to the Namespace URI, and you don't care
* which one you get, use the {@link #getPrefix getPrefix}
* method instead.</p>
*
* <p><strong>Note:</strong> the empty (default) prefix is <em>never</em> included
* in this enumeration; to check for the presence of a default
* Namespace, use the {@link #getURI getURI} method with an
* argument of "".</p>
*
* @param uri The Namespace URI.
* @return An enumeration of all prefixes declared in the
* current context.
* @see #getPrefix
* @see #getDeclaredPrefixes
* @see #getURI
*/
public Enumeration getPrefixes (String uri)
{
Vector prefixes = new Vector();
Enumeration allPrefixes = getPrefixes();
while (allPrefixes.hasMoreElements()) {
String prefix = (String)allPrefixes.nextElement();
if (uri.equals(getURI(prefix))) {
prefixes.addElement(prefix);
}
}
return prefixes.elements();
}
/**
* Return an enumeration of all prefixes declared in this context.
*
* <p>The empty (default) prefix will be included in this
* enumeration; note that this behaviour differs from that of
* {@link #getPrefix} and {@link #getPrefixes}.</p>
*
* @return An enumeration of all prefixes declared in this
* context.
* @see #getPrefixes
* @see #getURI
*/
public Enumeration getDeclaredPrefixes ()
{
return currentContext.getDeclaredPrefixes();
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
private Context contexts[];
private Context currentContext;
private int contextPos;
////////////////////////////////////////////////////////////////////
// Internal classes.
////////////////////////////////////////////////////////////////////
/**
* Internal class for a single Namespace context.
*
* <p>This module caches and reuses Namespace contexts, so the number allocated
* will be equal to the element depth of the document, not to the total
* number of elements (i.e. 5-10 rather than tens of thousands).</p>
*/
final class Context {
/**
* Create the root-level Namespace context.
*/
Context ()
{
copyTables();
}
/**
* (Re)set the parent of this Namespace context.
*
* @param context The parent Namespace context object.
*/
void setParent (Context parent)
{
this.parent = parent;
declarations = null;
prefixTable = parent.prefixTable;
uriTable = parent.uriTable;
elementNameTable = parent.elementNameTable;
attributeNameTable = parent.attributeNameTable;
defaultNS = parent.defaultNS;
tablesDirty = false;
}
/**
* Declare a Namespace prefix for this context.
*
* @param prefix The prefix to declare.
* @param uri The associated Namespace URI.
* @see org.xml.sax.helpers.NamespaceSupport#declarePrefix
*/
void declarePrefix (String prefix, String uri)
{
// Lazy processing...
if (!tablesDirty) {
copyTables();
}
if (declarations == null) {
declarations = new Vector();
}
prefix = prefix.intern();
uri = uri.intern();
if ("".equals(prefix)) {
if ("".equals(uri)) {
defaultNS = null;
} else {
defaultNS = uri;
}
} else {
prefixTable.put(prefix, uri);
uriTable.put(uri, prefix); // may wipe out another prefix
}
declarations.addElement(prefix);
}
/**
* Process a raw XML 1.0 name in this context.
*
* @param qName The raw XML 1.0 name.
* @param isAttribute true if this is an attribute name.
* @return An array of three strings containing the
* URI part (or empty string), the local part,
* and the raw name, all internalized, or null
* if there is an undeclared prefix.
* @see org.xml.sax.helpers.NamespaceSupport#processName
*/
String [] processName (String qName, boolean isAttribute)
{
String name[];
Hashtable table;
// Select the appropriate table.
if (isAttribute) {
table = elementNameTable;
} else {
table = attributeNameTable;
}
// Start by looking in the cache, and
// return immediately if the name
// is already known in this content
name = (String[])table.get(qName);
if (name != null) {
return name;
}
// We haven't seen this name in this
// context before.
name = new String[3];
int index = qName.indexOf(':');
// No prefix.
if (index == -1) {
if (isAttribute || defaultNS == null) {
name[0] = "";
} else {
name[0] = defaultNS;
}
name[1] = qName.intern();
name[2] = name[1];
}
// Prefix
else {
String prefix = qName.substring(0, index);
String local = qName.substring(index+1);
String uri;
if ("".equals(prefix)) {
uri = defaultNS;
} else {
uri = (String)prefixTable.get(prefix);
}
if (uri == null) {
return null;
}
name[0] = uri;
name[1] = local.intern();
name[2] = qName.intern();
}
// Save in the cache for future use.
table.put(name[2], name);
tablesDirty = true;
return name;
}
/**
* Look up the URI associated with a prefix in this context.
*
* @param prefix The prefix to look up.
* @return The associated Namespace URI, or null if none is
* declared.
* @see org.xml.sax.helpers.NamespaceSupport#getURI
*/
String getURI (String prefix)
{
if ("".equals(prefix)) {
return defaultNS;
} else if (prefixTable == null) {
return null;
} else {
return (String)prefixTable.get(prefix);
}
}
/**
* Look up one of the prefixes associated with a URI in this context.
*
* <p>Since many prefixes may be mapped to the same URI,
* the return value may be unreliable.</p>
*
* @param uri The URI to look up.
* @return The associated prefix, or null if none is declared.
* @see org.xml.sax.helpers.NamespaceSupport#getPrefix
*/
String getPrefix (String uri)
{
if (uriTable == null) {
return null;
} else {
return (String)uriTable.get(uri);
}
}
/**
* Return an enumeration of prefixes declared in this context.
*
* @return An enumeration of prefixes (possibly empty).
* @see org.xml.sax.helpers.NamespaceSupport#getDeclaredPrefixes
*/
Enumeration getDeclaredPrefixes ()
{
if (declarations == null) {
return EMPTY_ENUMERATION;
} else {
return declarations.elements();
}
}
/**
* Return an enumeration of all prefixes currently in force.
*
* <p>The default prefix, if in force, is <em>not</em>
* returned, and will have to be checked for separately.</p>
*
* @return An enumeration of prefixes (never empty).
* @see org.xml.sax.helpers.NamespaceSupport#getPrefixes
*/
Enumeration getPrefixes ()
{
if (prefixTable == null) {
return EMPTY_ENUMERATION;
} else {
return prefixTable.keys();
}
}
////////////////////////////////////////////////////////////////
// Internal methods.
////////////////////////////////////////////////////////////////
/**
* Copy on write for the internal tables in this context.
*
* <p>This class is optimized for the normal case where most
* elements do not contain Namespace declarations.</p>
*/
private void copyTables ()
{
if (prefixTable != null) {
prefixTable = (Hashtable)prefixTable.clone();
} else {
prefixTable = new Hashtable();
}
if (uriTable != null) {
uriTable = (Hashtable)uriTable.clone();
} else {
uriTable = new Hashtable();
}
elementNameTable = new Hashtable();
attributeNameTable = new Hashtable();
tablesDirty = true;
}
////////////////////////////////////////////////////////////////
// Protected state.
////////////////////////////////////////////////////////////////
Hashtable prefixTable;
Hashtable uriTable;
Hashtable elementNameTable;
Hashtable attributeNameTable;
String defaultNS = null;
////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////
private Vector declarations = null;
private boolean tablesDirty = false;
private Context parent = null;
}
}
// end of NamespaceSupport.java

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// SAX parser factory.
// No warranty; no copyright -- use this as you will.
// $Id: ParserFactory.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import java.lang.ClassNotFoundException;
import java.lang.IllegalAccessException;
import java.lang.InstantiationException;
import java.lang.SecurityException;
import java.lang.ClassCastException;
import org.xml.sax.Parser;
/**
* Java-specific class for dynamically loading SAX parsers.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p><strong>Note:</strong> This class is designed to work with the now-deprecated
* SAX1 {@link org.xml.sax.Parser Parser} class. SAX2 applications should use
* {@link org.xml.sax.helpers.XMLReaderFactory XMLReaderFactory} instead.</p>
*
* <p>ParserFactory is not part of the platform-independent definition
* of SAX; it is an additional convenience class designed
* specifically for Java XML application writers. SAX applications
* can use the static methods in this class to allocate a SAX parser
* dynamically at run-time based either on the value of the
* `org.xml.sax.parser' system property or on a string containing the class
* name.</p>
*
* <p>Note that the application still requires an XML parser that
* implements SAX1.</p>
*
* @deprecated This class works with the deprecated
* {@link org.xml.sax.Parser Parser}
* interface.
* @since SAX 1.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser
* @see java.lang.Class
*/
public class ParserFactory {
/**
* Private null constructor.
*/
private ParserFactory ()
{
}
/**
* Create a new SAX parser using the `org.xml.sax.parser' system property.
*
* <p>The named class must exist and must implement the
* {@link org.xml.sax.Parser Parser} interface.</p>
*
* @exception java.lang.NullPointerException There is no value
* for the `org.xml.sax.parser' system property.
* @exception java.lang.ClassNotFoundException The SAX parser
* class was not found (check your CLASSPATH).
* @exception IllegalAccessException The SAX parser class was
* found, but you do not have permission to load
* it.
* @exception InstantiationException The SAX parser class was
* found but could not be instantiated.
* @exception java.lang.ClassCastException The SAX parser class
* was found and instantiated, but does not implement
* org.xml.sax.Parser.
* @see #makeParser(java.lang.String)
* @see org.xml.sax.Parser
*/
public static Parser makeParser ()
throws ClassNotFoundException,
IllegalAccessException,
InstantiationException,
NullPointerException,
ClassCastException
{
String className = System.getProperty("org.xml.sax.parser");
if (className == null) {
throw new NullPointerException("No value for sax.parser property");
} else {
return makeParser(className);
}
}
/**
* Create a new SAX parser object using the class name provided.
*
* <p>The named class must exist and must implement the
* {@link org.xml.sax.Parser Parser} interface.</p>
*
* @param className A string containing the name of the
* SAX parser class.
* @exception java.lang.ClassNotFoundException The SAX parser
* class was not found (check your CLASSPATH).
* @exception IllegalAccessException The SAX parser class was
* found, but you do not have permission to load
* it.
* @exception InstantiationException The SAX parser class was
* found but could not be instantiated.
* @exception java.lang.ClassCastException The SAX parser class
* was found and instantiated, but does not implement
* org.xml.sax.Parser.
* @see #makeParser()
* @see org.xml.sax.Parser
*/
public static Parser makeParser (String className)
throws ClassNotFoundException,
IllegalAccessException,
InstantiationException,
ClassCastException
{
return (Parser)(Class.forName(className).newInstance());
}
}
// end of ParserFactory.java

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// XMLFilterImpl.java - base SAX2 filter implementation.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: XMLFilterImpl.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import java.io.IOException;
import org.xml.sax.XMLReader;
import org.xml.sax.XMLFilter;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;
import org.xml.sax.EntityResolver;
import org.xml.sax.DTDHandler;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.SAXNotRecognizedException;
/**
* Base class for deriving an XML filter.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class is designed to sit between an {@link org.xml.sax.XMLReader
* XMLReader} and the client application's event handlers. By default, it
* does nothing but pass requests up to the reader and events
* on to the handlers unmodified, but subclasses can override
* specific methods to modify the event stream or the configuration
* requests as they pass through.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.XMLFilter
* @see org.xml.sax.XMLReader
* @see org.xml.sax.EntityResolver
* @see org.xml.sax.DTDHandler
* @see org.xml.sax.ContentHandler
* @see org.xml.sax.ErrorHandler
*/
public class XMLFilterImpl
implements XMLFilter, EntityResolver, DTDHandler, ContentHandler, ErrorHandler
{
////////////////////////////////////////////////////////////////////
// Constructors.
////////////////////////////////////////////////////////////////////
/**
* Construct an empty XML filter, with no parent.
*
* <p>This filter will have no parent: you must assign a parent
* before you start a parse or do any configuration with
* setFeature or setProperty.</p>
*
* @see org.xml.sax.XMLReader#setFeature
* @see org.xml.sax.XMLReader#setProperty
*/
public XMLFilterImpl ()
{
super();
}
/**
* Construct an XML filter with the specified parent.
*
* @see #setParent
* @see #getParent
*/
public XMLFilterImpl (XMLReader parent)
{
super();
setParent(parent);
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.XMLFilter.
////////////////////////////////////////////////////////////////////
/**
* Set the parent reader.
*
* <p>This is the {@link org.xml.sax.XMLReader XMLReader} from which
* this filter will obtain its events and to which it will pass its
* configuration requests. The parent may itself be another filter.</p>
*
* <p>If there is no parent reader set, any attempt to parse
* or to set or get a feature or property will fail.</p>
*
* @param parent The parent XML reader.
* @exception java.lang.NullPointerException If the parent is null.
* @see #getParent
*/
public void setParent (XMLReader parent)
{
if (parent == null) {
throw new NullPointerException("Null parent");
}
this.parent = parent;
}
/**
* Get the parent reader.
*
* @return The parent XML reader, or null if none is set.
* @see #setParent
*/
public XMLReader getParent ()
{
return parent;
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.XMLReader.
////////////////////////////////////////////////////////////////////
/**
* Set the state of a feature.
*
* <p>This will always fail if the parent is null.</p>
*
* @param name The feature name.
* @param state The requested feature state.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the feature name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the feature name but
* cannot set the requested value.
* @see org.xml.sax.XMLReader#setFeature
*/
public void setFeature (String name, boolean state)
throws SAXNotRecognizedException, SAXNotSupportedException
{
if (parent != null) {
parent.setFeature(name, state);
} else {
throw new SAXNotRecognizedException("Feature: " + name);
}
}
/**
* Look up the state of a feature.
*
* <p>This will always fail if the parent is null.</p>
*
* @param name The feature name.
* @return The current state of the feature.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the feature name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the feature name but
* cannot determine its state at this time.
* @see org.xml.sax.XMLReader#getFeature
*/
public boolean getFeature (String name)
throws SAXNotRecognizedException, SAXNotSupportedException
{
if (parent != null) {
return parent.getFeature(name);
} else {
throw new SAXNotRecognizedException("Feature: " + name);
}
}
/**
* Set the value of a property.
*
* <p>This will always fail if the parent is null.</p>
*
* @param name The property name.
* @param state The requested property value.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the property name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the property name but
* cannot set the requested value.
* @see org.xml.sax.XMLReader#setProperty
*/
public void setProperty (String name, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException
{
if (parent != null) {
parent.setProperty(name, value);
} else {
throw new SAXNotRecognizedException("Property: " + name);
}
}
/**
* Look up the value of a property.
*
* @param name The property name.
* @return The current value of the property.
* @exception org.xml.sax.SAXNotRecognizedException When the
* XMLReader does not recognize the feature name.
* @exception org.xml.sax.SAXNotSupportedException When the
* XMLReader recognizes the property name but
* cannot determine its value at this time.
* @see org.xml.sax.XMLReader#setFeature
*/
public Object getProperty (String name)
throws SAXNotRecognizedException, SAXNotSupportedException
{
if (parent != null) {
return parent.getProperty(name);
} else {
throw new SAXNotRecognizedException("Property: " + name);
}
}
/**
* Set the entity resolver.
*
* @param resolver The new entity resolver.
* @exception java.lang.NullPointerException If the resolver
* is null.
* @see org.xml.sax.XMLReader#setEntityResolver
*/
public void setEntityResolver (EntityResolver resolver)
{
if (resolver == null) {
throw new NullPointerException("Null entity resolver");
} else {
entityResolver = resolver;
}
}
/**
* Get the current entity resolver.
*
* @return The current entity resolver, or null if none was set.
* @see org.xml.sax.XMLReader#getEntityResolver
*/
public EntityResolver getEntityResolver ()
{
return entityResolver;
}
/**
* Set the DTD event handler.
*
* @param resolver The new DTD handler.
* @exception java.lang.NullPointerException If the handler
* is null.
* @see org.xml.sax.XMLReader#setDTDHandler
*/
public void setDTDHandler (DTDHandler handler)
{
if (handler == null) {
throw new NullPointerException("Null DTD handler");
} else {
dtdHandler = handler;
}
}
/**
* Get the current DTD event handler.
*
* @return The current DTD handler, or null if none was set.
* @see org.xml.sax.XMLReader#getDTDHandler
*/
public DTDHandler getDTDHandler ()
{
return dtdHandler;
}
/**
* Set the content event handler.
*
* @param resolver The new content handler.
* @exception java.lang.NullPointerException If the handler
* is null.
* @see org.xml.sax.XMLReader#setContentHandler
*/
public void setContentHandler (ContentHandler handler)
{
if (handler == null) {
throw new NullPointerException("Null content handler");
} else {
contentHandler = handler;
}
}
/**
* Get the content event handler.
*
* @return The current content handler, or null if none was set.
* @see org.xml.sax.XMLReader#getContentHandler
*/
public ContentHandler getContentHandler ()
{
return contentHandler;
}
/**
* Set the error event handler.
*
* @param handle The new error handler.
* @exception java.lang.NullPointerException If the handler
* is null.
* @see org.xml.sax.XMLReader#setErrorHandler
*/
public void setErrorHandler (ErrorHandler handler)
{
if (handler == null) {
throw new NullPointerException("Null error handler");
} else {
errorHandler = handler;
}
}
/**
* Get the current error event handler.
*
* @return The current error handler, or null if none was set.
* @see org.xml.sax.XMLReader#getErrorHandler
*/
public ErrorHandler getErrorHandler ()
{
return errorHandler;
}
/**
* Parse a document.
*
* @param input The input source for the document entity.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see org.xml.sax.XMLReader#parse(org.xml.sax.InputSource)
*/
public void parse (InputSource input)
throws SAXException, IOException
{
setupParse();
parent.parse(input);
}
/**
* Parse a document.
*
* @param systemId The system identifier as a fully-qualified URI.
* @exception org.xml.sax.SAXException Any SAX exception, possibly
* wrapping another exception.
* @exception java.io.IOException An IO exception from the parser,
* possibly from a byte stream or character stream
* supplied by the application.
* @see org.xml.sax.XMLReader#parse(java.lang.String)
*/
public void parse (String systemId)
throws SAXException, IOException
{
parse(new InputSource(systemId));
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.EntityResolver.
////////////////////////////////////////////////////////////////////
/**
* Filter an external entity resolution.
*
* @param publicId The entity's public identifier, or null.
* @param systemId The entity's system identifier.
* @return A new InputSource or null for the default.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @exception java.io.IOException The client may throw an
* I/O-related exception while obtaining the
* new InputSource.
* @see org.xml.sax.EntityResolver#resolveEntity
*/
public InputSource resolveEntity (String publicId, String systemId)
throws SAXException, IOException
{
if (entityResolver != null) {
return entityResolver.resolveEntity(publicId, systemId);
} else {
return null;
}
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.DTDHandler.
////////////////////////////////////////////////////////////////////
/**
* Filter a notation declaration event.
*
* @param name The notation name.
* @param publicId The notation's public identifier, or null.
* @param systemId The notation's system identifier, or null.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.DTDHandler#notationDecl
*/
public void notationDecl (String name, String publicId, String systemId)
throws SAXException
{
if (dtdHandler != null) {
dtdHandler.notationDecl(name, publicId, systemId);
}
}
/**
* Filter an unparsed entity declaration event.
*
* @param name The entity name.
* @param publicId The entity's public identifier, or null.
* @param systemId The entity's system identifier, or null.
* @param notationName The name of the associated notation.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.DTDHandler#unparsedEntityDecl
*/
public void unparsedEntityDecl (String name, String publicId,
String systemId, String notationName)
throws SAXException
{
if (dtdHandler != null) {
dtdHandler.unparsedEntityDecl(name, publicId, systemId,
notationName);
}
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.ContentHandler.
////////////////////////////////////////////////////////////////////
/**
* Filter a new document locator event.
*
* @param locator The document locator.
* @see org.xml.sax.ContentHandler#setDocumentLocator
*/
public void setDocumentLocator (Locator locator)
{
this.locator = locator;
if (contentHandler != null) {
contentHandler.setDocumentLocator(locator);
}
}
/**
* Filter a start document event.
*
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#startDocument
*/
public void startDocument ()
throws SAXException
{
if (contentHandler != null) {
contentHandler.startDocument();
}
}
/**
* Filter an end document event.
*
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#endDocument
*/
public void endDocument ()
throws SAXException
{
if (contentHandler != null) {
contentHandler.endDocument();
}
}
/**
* Filter a start Namespace prefix mapping event.
*
* @param prefix The Namespace prefix.
* @param uri The Namespace URI.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#startPrefixMapping
*/
public void startPrefixMapping (String prefix, String uri)
throws SAXException
{
if (contentHandler != null) {
contentHandler.startPrefixMapping(prefix, uri);
}
}
/**
* Filter an end Namespace prefix mapping event.
*
* @param prefix The Namespace prefix.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#endPrefixMapping
*/
public void endPrefixMapping (String prefix)
throws SAXException
{
if (contentHandler != null) {
contentHandler.endPrefixMapping(prefix);
}
}
/**
* Filter a start element event.
*
* @param uri The element's Namespace URI, or the empty string.
* @param localName The element's local name, or the empty string.
* @param qName The element's qualified (prefixed) name, or the empty
* string.
* @param atts The element's attributes.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#startElement
*/
public void startElement (String uri, String localName, String qName,
Attributes atts)
throws SAXException
{
if (contentHandler != null) {
contentHandler.startElement(uri, localName, qName, atts);
}
}
/**
* Filter an end element event.
*
* @param uri The element's Namespace URI, or the empty string.
* @param localName The element's local name, or the empty string.
* @param qName The element's qualified (prefixed) name, or the empty
* string.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#endElement
*/
public void endElement (String uri, String localName, String qName)
throws SAXException
{
if (contentHandler != null) {
contentHandler.endElement(uri, localName, qName);
}
}
/**
* Filter a character data event.
*
* @param ch An array of characters.
* @param start The starting position in the array.
* @param length The number of characters to use from the array.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#characters
*/
public void characters (char ch[], int start, int length)
throws SAXException
{
if (contentHandler != null) {
contentHandler.characters(ch, start, length);
}
}
/**
* Filter an ignorable whitespace event.
*
* @param ch An array of characters.
* @param start The starting position in the array.
* @param length The number of characters to use from the array.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#ignorableWhitespace
*/
public void ignorableWhitespace (char ch[], int start, int length)
throws SAXException
{
if (contentHandler != null) {
contentHandler.ignorableWhitespace(ch, start, length);
}
}
/**
* Filter a processing instruction event.
*
* @param target The processing instruction target.
* @param data The text following the target.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#processingInstruction
*/
public void processingInstruction (String target, String data)
throws SAXException
{
if (contentHandler != null) {
contentHandler.processingInstruction(target, data);
}
}
/**
* Filter a skipped entity event.
*
* @param name The name of the skipped entity.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ContentHandler#skippedEntity
*/
public void skippedEntity (String name)
throws SAXException
{
if (contentHandler != null) {
contentHandler.skippedEntity(name);
}
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.ErrorHandler.
////////////////////////////////////////////////////////////////////
/**
* Filter a warning event.
*
* @param e The nwarning as an exception.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ErrorHandler#warning
*/
public void warning (SAXParseException e)
throws SAXException
{
if (errorHandler != null) {
errorHandler.warning(e);
}
}
/**
* Filter an error event.
*
* @param e The error as an exception.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ErrorHandler#error
*/
public void error (SAXParseException e)
throws SAXException
{
if (errorHandler != null) {
errorHandler.error(e);
}
}
/**
* Filter a fatal error event.
*
* @param e The error as an exception.
* @exception org.xml.sax.SAXException The client may throw
* an exception during processing.
* @see org.xml.sax.ErrorHandler#fatalError
*/
public void fatalError (SAXParseException e)
throws SAXException
{
if (errorHandler != null) {
errorHandler.fatalError(e);
}
}
////////////////////////////////////////////////////////////////////
// Internal methods.
////////////////////////////////////////////////////////////////////
/**
* Set up before a parse.
*
* <p>Before every parse, check whether the parent is
* non-null, and re-register the filter for all of the
* events.</p>
*/
private void setupParse ()
{
if (parent == null) {
throw new NullPointerException("No parent for filter");
}
parent.setEntityResolver(this);
parent.setDTDHandler(this);
parent.setContentHandler(this);
parent.setErrorHandler(this);
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
private XMLReader parent = null;
private Locator locator = null;
private EntityResolver entityResolver = null;
private DTDHandler dtdHandler = null;
private ContentHandler contentHandler = null;
private ErrorHandler errorHandler = null;
}
// end of XMLFilterImpl.java

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// XMLReaderAdapter.java - adapt an SAX2 XMLReader to a SAX1 Parser
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the public domain.
// $Id: XMLReaderAdapter.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import java.io.IOException;
import java.util.Locale;
import org.xml.sax.Parser; // deprecated
import org.xml.sax.Locator;
import org.xml.sax.InputSource;
import org.xml.sax.AttributeList; // deprecated
import org.xml.sax.EntityResolver;
import org.xml.sax.DTDHandler;
import org.xml.sax.DocumentHandler; // deprecated
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXNotSupportedException;
/**
* Adapt a SAX2 XMLReader as a SAX1 Parser.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class wraps a SAX2 {@link org.xml.sax.XMLReader XMLReader}
* and makes it act as a SAX1 {@link org.xml.sax.Parser Parser}. The XMLReader
* must support a true value for the
* http://xml.org/sax/features/namespace-prefixes property or parsing will fail
* with a {@link org.xml.sax.SAXException SAXException}; if the XMLReader
* supports a false value for the http://xml.org/sax/features/namespaces
* property, that will also be used to improve efficiency.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.Parser
* @see org.xml.sax.XMLReader
*/
public class XMLReaderAdapter implements Parser, ContentHandler
{
////////////////////////////////////////////////////////////////////
// Constructor.
////////////////////////////////////////////////////////////////////
/**
* Create a new adapter.
*
* <p>Use the "org.xml.sax.driver" property to locate the SAX2
* driver to embed.</p>
*
* @exception org.xml.sax.SAXException If the embedded driver
* cannot be instantiated or if the
* org.xml.sax.driver property is not specified.
*/
public XMLReaderAdapter ()
throws SAXException
{
setup(XMLReaderFactory.createXMLReader());
}
/**
* Create a new adapter.
*
* <p>Create a new adapter, wrapped around a SAX2 XMLReader.
* The adapter will make the XMLReader act like a SAX1
* Parser.</p>
*
* @param xmlReader The SAX2 XMLReader to wrap.
* @exception java.lang.NullPointerException If the argument is null.
*/
public XMLReaderAdapter (XMLReader xmlReader)
{
setup(xmlReader);
}
/**
* Internal setup.
*
* @param xmlReader The embedded XMLReader.
*/
private void setup (XMLReader xmlReader)
{
if (xmlReader == null) {
throw new NullPointerException("XMLReader must not be null");
}
this.xmlReader = xmlReader;
qAtts = new AttributesAdapter();
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.Parser.
////////////////////////////////////////////////////////////////////
/**
* Set the locale for error reporting.
*
* <p>This is not supported in SAX2, and will always throw
* an exception.</p>
*
* @param The locale for error reporting.
* @see org.xml.sax.Parser#setLocale
*/
public void setLocale (Locale locale)
throws SAXException
{
throw new SAXNotSupportedException("setLocale not supported");
}
/**
* Register the entity resolver.
*
* @param resolver The new resolver.
* @see org.xml.sax.Parser#setEntityResolver
*/
public void setEntityResolver (EntityResolver resolver)
{
xmlReader.setEntityResolver(resolver);
}
/**
* Register the DTD event handler.
*
* @param handler The new DTD event handler.
* @see org.xml.sax.Parser#setDTDHandler
*/
public void setDTDHandler (DTDHandler handler)
{
xmlReader.setDTDHandler(handler);
}
/**
* Register the SAX1 document event handler.
*
* <p>Note that the SAX1 document handler has no Namespace
* support.</p>
*
* @param handler The new SAX1 document event handler.
* @see org.xml.sax.Parser#setDocumentHandler
*/
public void setDocumentHandler (DocumentHandler handler)
{
documentHandler = handler;
}
/**
* Register the error event handler.
*
* @param handler The new error event handler.
* @see org.xml.sax.Parser#setErrorHandler
*/
public void setErrorHandler (ErrorHandler handler)
{
xmlReader.setErrorHandler(handler);
}
/**
* Parse the document.
*
* <p>This method will throw an exception if the embedded
* XMLReader does not support the
* http://xml.org/sax/features/namespace-prefixes property.</p>
*
* @param systemId The absolute URL of the document.
* @exception java.io.IOException If there is a problem reading
* the raw content of the document.
* @exception org.xml.sax.SAXException If there is a problem
* processing the document.
* @see #parse(org.xml.sax.InputSource)
* @see org.xml.sax.Parser#parse(java.lang.String)
*/
public void parse (String systemId)
throws IOException, SAXException
{
parse(new InputSource(systemId));
}
/**
* Parse the document.
*
* <p>This method will throw an exception if the embedded
* XMLReader does not support the
* http://xml.org/sax/features/namespace-prefixes property.</p>
*
* @param input An input source for the document.
* @exception java.io.IOException If there is a problem reading
* the raw content of the document.
* @exception org.xml.sax.SAXException If there is a problem
* processing the document.
* @see #parse(java.lang.String)
* @see org.xml.sax.Parser#parse(org.xml.sax.InputSource)
*/
public void parse (InputSource input)
throws IOException, SAXException
{
setupXMLReader();
xmlReader.parse(input);
}
/**
* Set up the XML reader.
*/
private void setupXMLReader ()
throws SAXException
{
xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
try {
xmlReader.setFeature("http://xml.org/sax/features/namespaces",
false);
} catch (SAXException e) {
// NO OP: it's just extra information, and we can ignore it
}
xmlReader.setContentHandler(this);
}
////////////////////////////////////////////////////////////////////
// Implementation of org.xml.sax.ContentHandler.
////////////////////////////////////////////////////////////////////
/**
* Set a document locator.
*
* @param locator The document locator.
* @see org.xml.sax.ContentHandler#setDocumentLocator
*/
public void setDocumentLocator (Locator locator)
{
documentHandler.setDocumentLocator(locator);
}
/**
* Start document event.
*
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#startDocument
*/
public void startDocument ()
throws SAXException
{
documentHandler.startDocument();
}
/**
* End document event.
*
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#endDocument
*/
public void endDocument ()
throws SAXException
{
documentHandler.endDocument();
}
/**
* Adapt a SAX2 start prefix mapping event.
*
* @param prefix The prefix being mapped.
* @param uri The Namespace URI being mapped to.
* @see org.xml.sax.ContentHandler#startPrefixMapping
*/
public void startPrefixMapping (String prefix, String uri)
{
}
/**
* Adapt a SAX2 end prefix mapping event.
*
* @param prefix The prefix being mapped.
* @see org.xml.sax.ContentHandler#endPrefixMapping
*/
public void endPrefixMapping (String prefix)
{
}
/**
* Adapt a SAX2 start element event.
*
* @param uri The Namespace URI.
* @param localName The Namespace local name.
* @param qName The qualified (prefixed) name.
* @param atts The SAX2 attributes.
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#endDocument
*/
public void startElement (String uri, String localName,
String qName, Attributes atts)
throws SAXException
{
qAtts.setAttributes(atts);
documentHandler.startElement(qName, qAtts);
}
/**
* Adapt a SAX2 end element event.
*
* @param uri The Namespace URI.
* @param localName The Namespace local name.
* @param qName The qualified (prefixed) name.
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#endElement
*/
public void endElement (String uri, String localName,
String qName)
throws SAXException
{
documentHandler.endElement(qName);
}
/**
* Adapt a SAX2 characters event.
*
* @param ch An array of characters.
* @param start The starting position in the array.
* @param length The number of characters to use.
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#characters
*/
public void characters (char ch[], int start, int length)
throws SAXException
{
documentHandler.characters(ch, start, length);
}
/**
* Adapt a SAX2 ignorable whitespace event.
*
* @param ch An array of characters.
* @param start The starting position in the array.
* @param length The number of characters to use.
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#ignorableWhitespace
*/
public void ignorableWhitespace (char ch[], int start, int length)
throws SAXException
{
documentHandler.ignorableWhitespace(ch, start, length);
}
/**
* Adapt a SAX2 processing instruction event.
*
* @param target The processing instruction target.
* @param data The remainder of the processing instruction
* @exception org.xml.sax.SAXException The client may raise a
* processing exception.
* @see org.xml.sax.ContentHandler#processingInstruction
*/
public void processingInstruction (String target, String data)
throws SAXException
{
documentHandler.processingInstruction(target, data);
}
/**
* Adapt a SAX2 skipped entity event.
*
* @param name The name of the skipped entity.
* @see org.xml.sax.ContentHandler#skippedEntity
*/
public void skippedEntity (String name)
throws SAXException
{
}
////////////////////////////////////////////////////////////////////
// Internal state.
////////////////////////////////////////////////////////////////////
XMLReader xmlReader;
DocumentHandler documentHandler;
AttributesAdapter qAtts;
////////////////////////////////////////////////////////////////////
// Internal class.
////////////////////////////////////////////////////////////////////
/**
* Internal class to wrap a SAX2 Attributes object for SAX1.
*/
final class AttributesAdapter implements AttributeList
{
AttributesAdapter ()
{
}
/**
* Set the embedded Attributes object.
*
* @param The embedded SAX2 Attributes.
*/
void setAttributes (Attributes attributes)
{
this.attributes = attributes;
}
/**
* Return the number of attributes.
*
* @return The length of the attribute list.
* @see org.xml.sax.AttributeList#getLength
*/
public int getLength ()
{
return attributes.getLength();
}
/**
* Return the qualified (prefixed) name of an attribute by position.
*
* @return The qualified name.
* @see org.xml.sax.AttributeList#getName
*/
public String getName (int i)
{
return attributes.getQName(i);
}
/**
* Return the type of an attribute by position.
*
* @return The type.
* @see org.xml.sax.AttributeList#getType(int)
*/
public String getType (int i)
{
return attributes.getType(i);
}
/**
* Return the value of an attribute by position.
*
* @return The value.
* @see org.xml.sax.AttributeList#getValue(int)
*/
public String getValue (int i)
{
return attributes.getValue(i);
}
/**
* Return the type of an attribute by qualified (prefixed) name.
*
* @return The type.
* @see org.xml.sax.AttributeList#getType(java.lang.String)
*/
public String getType (String qName)
{
return attributes.getType(qName);
}
/**
* Return the value of an attribute by qualified (prefixed) name.
*
* @return The value.
* @see org.xml.sax.AttributeList#getValue(java.lang.String)
*/
public String getValue (String qName)
{
return attributes.getValue(qName);
}
private Attributes attributes;
}
}
// end of XMLReaderAdapter.java

136
libjava/org/xml/sax/helpers/XMLReaderFactory.java Normal file
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@ -0,0 +1,136 @@
// XMLReaderFactory.java - factory for creating a new reader.
// Written by David Megginson, sax@megginson.com
// NO WARRANTY! This class is in the Public Domain.
// $Id: XMLReaderFactory.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
package org.xml.sax.helpers;
import org.xml.sax.Parser;
import org.xml.sax.XMLReader;
import org.xml.sax.SAXException;
/**
* Factory for creating an XML reader.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* </blockquote>
*
* <p>This class contains static methods for creating an XML reader
* from an explicit class name, or for creating an XML reader based
* on the value of the <code>org.xml.sax.driver</code> system
* property:</p>
*
* <pre>
* try {
* XMLReader myReader = XMLReaderFactory.createXMLReader();
* } catch (SAXException e) {
* System.err.println(e.getMessage());
* }
* </pre>
*
* <p>Note that these methods will not be usable in environments where
* system properties are not accessible or where the application or
* applet is not permitted to load classes dynamically.</p>
*
* <p><strong>Note to implementors:</strong> SAX implementations in specialized
* environments may replace this class with a different one optimized for the
* environment, as long as its method signatures remain the same.</p>
*
* @since SAX 2.0
* @author David Megginson,
* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
* @version 2.0
* @see org.xml.sax.XMLReader
*/
final public class XMLReaderFactory
{
/**
* Private constructor.
*
* <p>This constructor prevents the class from being instantiated.</p>
*/
private XMLReaderFactory ()
{
}
/**
* Attempt to create an XML reader from a system property.
*
* <p>This method uses the value of the system property
* "org.xml.sax.driver" as the full name of a Java class
* and tries to instantiate that class as a SAX2
* XMLReader.</p>
*
* <p>Note that many Java interpreters allow system properties
* to be specified on the command line.</p>
*
* @return A new XMLReader.
* @exception org.xml.sax.SAXException If the value of the
* "org.xml.sax.driver" system property is null,
* or if the class cannot be loaded and instantiated.
* @see #createXMLReader(java.lang.String)
*/
public static XMLReader createXMLReader ()
throws SAXException
{
String className = System.getProperty("org.xml.sax.driver");
if (className == null) {
Parser parser;
try {
parser = ParserFactory.makeParser();
} catch (Exception e) {
parser = null;
}
if (parser == null) {
throw new
SAXException("System property org.xml.sax.driver not specified");
} else {
return new ParserAdapter(parser);
}
} else {
return createXMLReader(className);
}
}
/**
* Attempt to create an XML reader from a class name.
*
* <p>Given a class name, this method attempts to load
* and instantiate the class as an XML reader.</p>
*
* @return A new XML reader.
* @exception org.xml.sax.SAXException If the class cannot be
* loaded, instantiated, and cast to XMLReader.
* @see #createXMLReader()
*/
public static XMLReader createXMLReader (String className)
throws SAXException
{
try {
return (XMLReader)(Class.forName(className).newInstance());
} catch (ClassNotFoundException e1) {
throw new SAXException("SAX2 driver class " + className +
" not found", e1);
} catch (IllegalAccessException e2) {
throw new SAXException("SAX2 driver class " + className +
" found but cannot be loaded", e2);
} catch (InstantiationException e3) {
throw new SAXException("SAX2 driver class " + className +
" loaded but cannot be instantiated (no empty public constructor?)",
e3);
} catch (ClassCastException e4) {
throw new SAXException("SAX2 driver class " + className +
" does not implement XMLReader", e4);
}
}
}
// end of XMLReaderFactory.java