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