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1009 lines
27 KiB
Java
1009 lines
27 KiB
Java
// ParserAdapter.java - adapt a SAX1 Parser to a SAX2 XMLReader.
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// Written by David Megginson, sax@megginson.com
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// NO WARRANTY! This class is in the public domain.
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// $Id: ParserAdapter.java,v 1.1 2000/10/02 02:43:20 sboag Exp $
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package org.xml.sax.helpers;
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import java.io.IOException;
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import java.util.Enumeration;
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import org.xml.sax.Parser; // deprecated
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import org.xml.sax.InputSource;
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import org.xml.sax.Locator;
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import org.xml.sax.AttributeList; // deprecated
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import org.xml.sax.EntityResolver;
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import org.xml.sax.DTDHandler;
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import org.xml.sax.DocumentHandler; // deprecated
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import org.xml.sax.ErrorHandler;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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import org.xml.sax.XMLReader;
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import org.xml.sax.Attributes;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.SAXNotRecognizedException;
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import org.xml.sax.SAXNotSupportedException;
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/**
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* Adapt a SAX1 Parser as a SAX2 XMLReader.
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*
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* <blockquote>
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* <em>This module, both source code and documentation, is in the
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* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
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* </blockquote>
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*
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* <p>This class wraps a SAX1 {@link org.xml.sax.Parser Parser}
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* and makes it act as a SAX2 {@link org.xml.sax.XMLReader XMLReader},
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* with feature, property, and Namespace support. Note
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* that it is not possible to report {@link org.xml.sax.ContentHandler#skippedEntity
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* skippedEntity} events, since SAX1 does not make that information available.</p>
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*
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* <p>This adapter does not test for duplicate Namespace-qualified
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* attribute names.</p>
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*
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* @since SAX 2.0
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* @author David Megginson,
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* <a href="mailto:sax@megginson.com">sax@megginson.com</a>
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* @version 2.0
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* @see org.xml.sax.helpers.XMLReaderAdapter
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* @see org.xml.sax.XMLReader
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* @see org.xml.sax.Parser
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*/
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public class ParserAdapter implements XMLReader, DocumentHandler
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{
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////////////////////////////////////////////////////////////////////
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// Constructors.
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////////////////////////////////////////////////////////////////////
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/**
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* Construct a new parser adapter.
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*
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* <p>Use the "org.xml.sax.parser" property to locate the
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* embedded SAX1 driver.</p>
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*
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* @exception org.xml.sax.SAXException If the embedded driver
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* cannot be instantiated or if the
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* org.xml.sax.parser property is not specified.
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*/
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public ParserAdapter ()
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throws SAXException
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{
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super();
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String driver = System.getProperty("org.xml.sax.parser");
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try {
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setup(ParserFactory.makeParser());
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} catch (ClassNotFoundException e1) {
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throw new
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SAXException("Cannot find SAX1 driver class " +
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driver, e1);
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} catch (IllegalAccessException e2) {
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throw new
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SAXException("SAX1 driver class " +
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driver +
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" found but cannot be loaded", e2);
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} catch (InstantiationException e3) {
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throw new
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SAXException("SAX1 driver class " +
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driver +
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" loaded but cannot be instantiated", e3);
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} catch (ClassCastException e4) {
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throw new
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SAXException("SAX1 driver class " +
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driver +
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" does not implement org.xml.sax.Parser");
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} catch (NullPointerException e5) {
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throw new
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SAXException("System property org.xml.sax.parser not specified");
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}
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}
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/**
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* Construct a new parser adapter.
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*
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* <p>Note that the embedded parser cannot be changed once the
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* adapter is created; to embed a different parser, allocate
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* a new ParserAdapter.</p>
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*
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* @param parser The SAX1 parser to embed.
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* @exception java.lang.NullPointerException If the parser parameter
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* is null.
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*/
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public ParserAdapter (Parser parser)
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{
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super();
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setup(parser);
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}
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/**
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* Internal setup method.
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*
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* @param parser The embedded parser.
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* @exception java.lang.NullPointerException If the parser parameter
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* is null.
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*/
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private void setup (Parser parser)
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{
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if (parser == null) {
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throw new
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NullPointerException("Parser argument must not be null");
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}
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this.parser = parser;
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atts = new AttributesImpl();
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nsSupport = new NamespaceSupport();
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attAdapter = new AttributeListAdapter();
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}
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////////////////////////////////////////////////////////////////////
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// Implementation of org.xml.sax.XMLReader.
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////////////////////////////////////////////////////////////////////
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//
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// Internal constants for the sake of convenience.
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//
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private final static String FEATURES = "http://xml.org/sax/features/";
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private final static String NAMESPACES = FEATURES + "namespaces";
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private final static String NAMESPACE_PREFIXES = FEATURES + "namespace-prefixes";
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private final static String VALIDATION = FEATURES + "validation";
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private final static String EXTERNAL_GENERAL =
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FEATURES + "external-general-entities";
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private final static String EXTERNAL_PARAMETER =
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FEATURES + "external-parameter-entities";
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/**
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* Set a feature for the parser.
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*
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* <p>The only features supported are namespaces and
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* namespace-prefixes.</p>
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*
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* @param name The feature name, as a complete URI.
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* @param state The requested feature state.
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* @exception org.xml.sax.SAXNotRecognizedException If the feature
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* name is not known.
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* @exception org.xml.sax.SAXNotSupportedException If the feature
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* state is not supported.
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* @see org.xml.sax.XMLReader#setFeature
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*/
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public void setFeature (String name, boolean state)
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throws SAXNotRecognizedException, SAXNotSupportedException
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{
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if (name.equals(NAMESPACES)) {
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checkNotParsing("feature", name);
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namespaces = state;
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if (!namespaces && !prefixes) {
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prefixes = true;
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}
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} else if (name.equals(NAMESPACE_PREFIXES)) {
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checkNotParsing("feature", name);
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prefixes = state;
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if (!prefixes && !namespaces) {
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namespaces = true;
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}
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} else if (name.equals(VALIDATION) ||
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name.equals(EXTERNAL_GENERAL) ||
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name.equals(EXTERNAL_PARAMETER)) {
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throw new SAXNotSupportedException("Feature: " + name);
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} else {
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throw new SAXNotRecognizedException("Feature: " + name);
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}
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}
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/**
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* Check a parser feature.
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*
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* <p>The only features supported are namespaces and
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* namespace-prefixes.</p>
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*
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* @param name The feature name, as a complete URI.
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* @return The current feature state.
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* @exception org.xml.sax.SAXNotRecognizedException If the feature
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* name is not known.
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* @exception org.xml.sax.SAXNotSupportedException If querying the
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* feature state is not supported.
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* @see org.xml.sax.XMLReader#setFeature
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*/
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public boolean getFeature (String name)
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throws SAXNotRecognizedException, SAXNotSupportedException
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{
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if (name.equals(NAMESPACES)) {
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return namespaces;
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} else if (name.equals(NAMESPACE_PREFIXES)) {
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return prefixes;
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} else if (name.equals(VALIDATION) ||
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name.equals(EXTERNAL_GENERAL) ||
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name.equals(EXTERNAL_PARAMETER)) {
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throw new SAXNotSupportedException("Feature: " + name);
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} else {
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throw new SAXNotRecognizedException("Feature: " + name);
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}
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}
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/**
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* Set a parser property.
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*
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* <p>No special properties are currently supported.</p>
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*
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* @param name The property name.
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* @param value The property value.
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* @exception org.xml.sax.SAXNotRecognizedException If the feature
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* name is not known.
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* @exception org.xml.sax.SAXNotSupportedException If the feature
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* state is not supported.
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* @see org.xml.sax.XMLReader#setProperty
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*/
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public void setProperty (String name, Object value)
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throws SAXNotRecognizedException, SAXNotSupportedException
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{
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throw new SAXNotRecognizedException("Property: " + name);
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}
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/**
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* Get a parser property.
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*
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* <p>No special properties are currently supported.</p>
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*
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* @param name The property name.
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* @return The property value.
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* @exception org.xml.sax.SAXNotRecognizedException If the feature
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* name is not known.
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* @exception org.xml.sax.SAXNotSupportedException If the feature
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* state is not supported.
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* @see org.xml.sax.XMLReader#getProperty
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*/
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public Object getProperty (String name)
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throws SAXNotRecognizedException, SAXNotSupportedException
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{
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throw new SAXNotRecognizedException("Property: " + name);
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}
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/**
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* Set the entity resolver.
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*
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* @param resolver The new entity resolver.
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* @exception java.lang.NullPointerException If the entity resolver
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* parameter is null.
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* @see org.xml.sax.XMLReader#setEntityResolver
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*/
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public void setEntityResolver (EntityResolver resolver)
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{
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if (resolver == null) {
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throw new NullPointerException("Null entity resolver");
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}
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entityResolver = resolver;
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}
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/**
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* Return the current entity resolver.
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*
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* @return The current entity resolver, or null if none was supplied.
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* @see org.xml.sax.XMLReader#getEntityResolver
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*/
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public EntityResolver getEntityResolver ()
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{
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return entityResolver;
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}
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/**
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* Set the DTD handler.
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*
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* @param resolver The new DTD handler.
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* @exception java.lang.NullPointerException If the DTD handler
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* parameter is null.
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* @see org.xml.sax.XMLReader#setEntityResolver
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*/
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public void setDTDHandler (DTDHandler handler)
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{
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if (handler == null) {
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throw new NullPointerException("Null DTD handler");
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}
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dtdHandler = handler;
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}
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/**
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* Return the current DTD handler.
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*
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* @return The current DTD handler, or null if none was supplied.
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* @see org.xml.sax.XMLReader#getEntityResolver
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*/
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public DTDHandler getDTDHandler ()
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{
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return dtdHandler;
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}
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/**
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* Set the content handler.
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*
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* @param resolver The new content handler.
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* @exception java.lang.NullPointerException If the content handler
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* parameter is null.
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* @see org.xml.sax.XMLReader#setEntityResolver
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*/
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public void setContentHandler (ContentHandler handler)
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{
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if (handler == null) {
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throw new NullPointerException("Null content handler");
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}
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contentHandler = handler;
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}
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/**
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* Return the current content handler.
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*
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* @return The current content handler, or null if none was supplied.
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* @see org.xml.sax.XMLReader#getEntityResolver
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*/
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public ContentHandler getContentHandler ()
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{
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return contentHandler;
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}
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/**
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* Set the error handler.
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*
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* @param resolver The new error handler.
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* @exception java.lang.NullPointerException If the error handler
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* parameter is null.
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* @see org.xml.sax.XMLReader#setEntityResolver
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*/
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public void setErrorHandler (ErrorHandler handler)
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{
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if (handler == null) {
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throw new NullPointerException("Null error handler");
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}
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errorHandler = handler;
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}
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/**
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* Return the current error handler.
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*
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* @return The current error handler, or null if none was supplied.
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* @see org.xml.sax.XMLReader#getEntityResolver
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*/
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public ErrorHandler getErrorHandler ()
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{
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return errorHandler;
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}
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/**
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* Parse an XML document.
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*
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* @param systemId The absolute URL of the document.
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* @exception java.io.IOException If there is a problem reading
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* the raw content of the document.
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* @exception org.xml.sax.SAXException If there is a problem
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* processing the document.
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* @see #parse(org.xml.sax.InputSource)
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* @see org.xml.sax.Parser#parse(java.lang.String)
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*/
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public void parse (String systemId)
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throws IOException, SAXException
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{
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parse(new InputSource(systemId));
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}
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/**
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* Parse an XML document.
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*
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* @param input An input source for the document.
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* @exception java.io.IOException If there is a problem reading
|
||
* the raw content of the document.
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* @exception org.xml.sax.SAXException If there is a problem
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* processing the document.
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* @see #parse(java.lang.String)
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* @see org.xml.sax.Parser#parse(org.xml.sax.InputSource)
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*/
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public void parse (InputSource input)
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throws IOException, SAXException
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{
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if (parsing) {
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throw new SAXException("Parser is already in use");
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}
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setupParser();
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parsing = true;
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try {
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parser.parse(input);
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} finally {
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parsing = false;
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}
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parsing = false;
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}
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////////////////////////////////////////////////////////////////////
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||
// Implementation of org.xml.sax.DocumentHandler.
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////////////////////////////////////////////////////////////////////
|
||
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/**
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* Adapt a SAX1 document locator event.
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*
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* @param locator A document locator.
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* @see org.xml.sax.ContentHandler#setDocumentLocator
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*/
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public void setDocumentLocator (Locator locator)
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{
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this.locator = locator;
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if (contentHandler != null) {
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contentHandler.setDocumentLocator(locator);
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}
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}
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/**
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* Adapt a SAX1 start document event.
|
||
*
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* @exception org.xml.sax.SAXException The client may raise a
|
||
* processing exception.
|
||
* @see org.xml.sax.DocumentHandler#startDocument
|
||
*/
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||
public void startDocument ()
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||
throws SAXException
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||
{
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||
if (contentHandler != null) {
|
||
contentHandler.startDocument();
|
||
}
|
||
}
|
||
|
||
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/**
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||
* Adapt a SAX1 end document event.
|
||
*
|
||
* @exception org.xml.sax.SAXException The client may raise a
|
||
* processing exception.
|
||
* @see org.xml.sax.DocumentHandler#endDocument
|
||
*/
|
||
public void endDocument ()
|
||
throws SAXException
|
||
{
|
||
if (contentHandler != null) {
|
||
contentHandler.endDocument();
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 startElement event.
|
||
*
|
||
* <p>If necessary, perform Namespace processing.</p>
|
||
*
|
||
* @param qName The qualified (prefixed) name.
|
||
* @param qAtts The XML 1.0 attribute list (with qnames).
|
||
*/
|
||
public void startElement (String qName, AttributeList qAtts)
|
||
throws SAXException
|
||
{
|
||
// If we're not doing Namespace
|
||
// processing, dispatch this quickly.
|
||
if (!namespaces) {
|
||
if (contentHandler != null) {
|
||
attAdapter.setAttributeList(qAtts);
|
||
contentHandler.startElement("", "", qName.intern(),
|
||
attAdapter);
|
||
}
|
||
return;
|
||
}
|
||
|
||
|
||
// OK, we're doing Namespace processing.
|
||
nsSupport.pushContext();
|
||
boolean seenDecl = false;
|
||
atts.clear();
|
||
|
||
// Take a first pass and copy all
|
||
// attributes into the SAX2 attribute
|
||
// list, noting any Namespace
|
||
// declarations.
|
||
int length = qAtts.getLength();
|
||
for (int i = 0; i < length; i++) {
|
||
String attQName = qAtts.getName(i);
|
||
String type = qAtts.getType(i);
|
||
String value = qAtts.getValue(i);
|
||
|
||
// Found a declaration...
|
||
if (attQName.startsWith("xmlns")) {
|
||
String prefix;
|
||
int n = attQName.indexOf(':');
|
||
if (n == -1) {
|
||
prefix = "";
|
||
} else {
|
||
prefix = attQName.substring(n+1);
|
||
}
|
||
if (!nsSupport.declarePrefix(prefix, value)) {
|
||
reportError("Illegal Namespace prefix: " + prefix);
|
||
}
|
||
if (contentHandler != null) {
|
||
contentHandler.startPrefixMapping(prefix, value);
|
||
}
|
||
// We may still have to add this to
|
||
// the list.
|
||
if (prefixes) {
|
||
atts.addAttribute("", "", attQName.intern(),
|
||
type, value);
|
||
}
|
||
seenDecl = true;
|
||
|
||
// This isn't a declaration.
|
||
} else {
|
||
String attName[] = processName(attQName, true);
|
||
atts.addAttribute(attName[0], attName[1], attName[2],
|
||
type, value);
|
||
}
|
||
}
|
||
|
||
// If there was a Namespace declaration,
|
||
// we have to make a second pass just
|
||
// to be safe -- this will happen very
|
||
// rarely, possibly only once for each
|
||
// document.
|
||
if (seenDecl) {
|
||
length = atts.getLength();
|
||
for (int i = 0; i < length; i++) {
|
||
String attQName = atts.getQName(i);
|
||
if (!attQName.startsWith("xmlns")) {
|
||
String attName[] = processName(attQName, true);
|
||
atts.setURI(i, attName[0]);
|
||
atts.setLocalName(i, attName[1]);
|
||
}
|
||
}
|
||
}
|
||
|
||
// OK, finally report the event.
|
||
if (contentHandler != null) {
|
||
String name[] = processName(qName, false);
|
||
contentHandler.startElement(name[0], name[1], name[2], atts);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 end element event.
|
||
*
|
||
* @param qName The qualified (prefixed) name.
|
||
* @exception org.xml.sax.SAXException The client may raise a
|
||
* processing exception.
|
||
* @see org.xml.sax.DocumentHandler#endElement
|
||
*/
|
||
public void endElement (String qName)
|
||
throws SAXException
|
||
{
|
||
// If we're not doing Namespace
|
||
// processing, dispatch this quickly.
|
||
if (!namespaces) {
|
||
if (contentHandler != null) {
|
||
contentHandler.endElement("", "", qName.intern());
|
||
}
|
||
return;
|
||
}
|
||
|
||
// Split the name.
|
||
String names[] = processName(qName, false);
|
||
if (contentHandler != null) {
|
||
contentHandler.endElement(names[0], names[1], names[2]);
|
||
Enumeration prefixes = nsSupport.getDeclaredPrefixes();
|
||
while (prefixes.hasMoreElements()) {
|
||
String prefix = (String)prefixes.nextElement();
|
||
contentHandler.endPrefixMapping(prefix);
|
||
}
|
||
}
|
||
nsSupport.popContext();
|
||
}
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 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.DocumentHandler#characters
|
||
*/
|
||
public void characters (char ch[], int start, int length)
|
||
throws SAXException
|
||
{
|
||
if (contentHandler != null) {
|
||
contentHandler.characters(ch, start, length);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 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.DocumentHandler#ignorableWhitespace
|
||
*/
|
||
public void ignorableWhitespace (char ch[], int start, int length)
|
||
throws SAXException
|
||
{
|
||
if (contentHandler != null) {
|
||
contentHandler.ignorableWhitespace(ch, start, length);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 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.DocumentHandler#processingInstruction
|
||
*/
|
||
public void processingInstruction (String target, String data)
|
||
throws SAXException
|
||
{
|
||
if (contentHandler != null) {
|
||
contentHandler.processingInstruction(target, data);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////
|
||
// Internal utility methods.
|
||
////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
/**
|
||
* Initialize the parser before each run.
|
||
*/
|
||
private void setupParser ()
|
||
{
|
||
nsSupport.reset();
|
||
|
||
if (entityResolver != null) {
|
||
parser.setEntityResolver(entityResolver);
|
||
}
|
||
if (dtdHandler != null) {
|
||
parser.setDTDHandler(dtdHandler);
|
||
}
|
||
if (errorHandler != null) {
|
||
parser.setErrorHandler(errorHandler);
|
||
}
|
||
parser.setDocumentHandler(this);
|
||
locator = null;
|
||
}
|
||
|
||
|
||
/**
|
||
* Process a qualified (prefixed) name.
|
||
*
|
||
* <p>If the name has an undeclared prefix, use only the qname
|
||
* and make an ErrorHandler.error callback in case the app is
|
||
* interested.</p>
|
||
*
|
||
* @param qName The qualified (prefixed) name.
|
||
* @param isAttribute true if this is an attribute name.
|
||
* @return The name split into three parts.
|
||
* @exception org.xml.sax.SAXException The client may throw
|
||
* an exception if there is an error callback.
|
||
*/
|
||
private String [] processName (String qName, boolean isAttribute)
|
||
throws SAXException
|
||
{
|
||
String parts[] = nsSupport.processName(qName, nameParts,
|
||
isAttribute);
|
||
if (parts == null) {
|
||
parts = new String[3];
|
||
parts[2] = qName.intern();
|
||
reportError("Undeclared prefix: " + qName);
|
||
}
|
||
return parts;
|
||
}
|
||
|
||
|
||
/**
|
||
* Report a non-fatal error.
|
||
*
|
||
* @param message The error message.
|
||
* @exception org.xml.sax.SAXException The client may throw
|
||
* an exception.
|
||
*/
|
||
void reportError (String message)
|
||
throws SAXException
|
||
{
|
||
if (errorHandler == null) {
|
||
return;
|
||
}
|
||
|
||
SAXParseException e;
|
||
if (locator != null) {
|
||
e = new SAXParseException(message, locator);
|
||
} else {
|
||
e = new SAXParseException(message, null, null, -1, -1);
|
||
}
|
||
errorHandler.error(e);
|
||
}
|
||
|
||
|
||
/**
|
||
* Throw an exception if we are parsing.
|
||
*
|
||
* <p>Use this method to detect illegal feature or
|
||
* property changes.</p>
|
||
*
|
||
* @param type The type of thing (feature or property).
|
||
* @param name The feature or property name.
|
||
* @exception org.xml.sax.SAXNotSupportedException If a
|
||
* document is currently being parsed.
|
||
*/
|
||
private void checkNotParsing (String type, String name)
|
||
throws SAXNotSupportedException
|
||
{
|
||
if (parsing) {
|
||
throw new SAXNotSupportedException("Cannot change " +
|
||
type + ' ' +
|
||
name + " while parsing");
|
||
|
||
}
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////
|
||
// Internal state.
|
||
////////////////////////////////////////////////////////////////////
|
||
|
||
private NamespaceSupport nsSupport;
|
||
private AttributeListAdapter attAdapter;
|
||
|
||
private boolean parsing = false;
|
||
private String nameParts[] = new String[3];
|
||
|
||
private Parser parser = null;
|
||
|
||
private AttributesImpl atts = null;
|
||
|
||
// Features
|
||
private boolean namespaces = true;
|
||
private boolean prefixes = false;
|
||
|
||
// Properties
|
||
|
||
// Handlers
|
||
Locator locator;
|
||
|
||
EntityResolver entityResolver = null;
|
||
DTDHandler dtdHandler = null;
|
||
ContentHandler contentHandler = null;
|
||
ErrorHandler errorHandler = null;
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////
|
||
// Inner class to wrap an AttributeList when not doing NS proc.
|
||
////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
/**
|
||
* Adapt a SAX1 AttributeList as a SAX2 Attributes object.
|
||
*
|
||
* <p>This class is in the Public Domain, and comes with NO
|
||
* WARRANTY of any kind.</p>
|
||
*
|
||
* <p>This wrapper class is used only when Namespace support
|
||
* is disabled -- it provides pretty much a direct mapping
|
||
* from SAX1 to SAX2, except that names and types are
|
||
* interned whenever requested.</p>
|
||
*/
|
||
final class AttributeListAdapter implements Attributes
|
||
{
|
||
|
||
/**
|
||
* Construct a new adapter.
|
||
*/
|
||
AttributeListAdapter ()
|
||
{
|
||
}
|
||
|
||
|
||
/**
|
||
* Set the embedded AttributeList.
|
||
*
|
||
* <p>This method must be invoked before any of the others
|
||
* can be used.</p>
|
||
*
|
||
* @param The SAX1 attribute list (with qnames).
|
||
*/
|
||
void setAttributeList (AttributeList qAtts)
|
||
{
|
||
this.qAtts = qAtts;
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the length of the attribute list.
|
||
*
|
||
* @return The number of attributes in the list.
|
||
* @see org.xml.sax.Attributes#getLength
|
||
*/
|
||
public int getLength ()
|
||
{
|
||
return qAtts.getLength();
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the Namespace URI of the specified attribute.
|
||
*
|
||
* @param The attribute's index.
|
||
* @return Always the empty string.
|
||
* @see org.xml.sax.Attributes#getURI
|
||
*/
|
||
public String getURI (int i)
|
||
{
|
||
return "";
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the local name of the specified attribute.
|
||
*
|
||
* @param The attribute's index.
|
||
* @return Always the empty string.
|
||
* @see org.xml.sax.Attributes#getLocalName
|
||
*/
|
||
public String getLocalName (int i)
|
||
{
|
||
return "";
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the qualified (prefixed) name of the specified attribute.
|
||
*
|
||
* @param The attribute's index.
|
||
* @return The attribute's qualified name, internalized.
|
||
*/
|
||
public String getQName (int i)
|
||
{
|
||
return qAtts.getName(i).intern();
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the type of the specified attribute.
|
||
*
|
||
* @param The attribute's index.
|
||
* @return The attribute's type as an internalized string.
|
||
*/
|
||
public String getType (int i)
|
||
{
|
||
return qAtts.getType(i).intern();
|
||
}
|
||
|
||
|
||
/**
|
||
* Return the value of the specified attribute.
|
||
*
|
||
* @param The attribute's index.
|
||
* @return The attribute's value.
|
||
*/
|
||
public String getValue (int i)
|
||
{
|
||
return qAtts.getValue(i);
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up an attribute index by Namespace name.
|
||
*
|
||
* @param uri The Namespace URI or the empty string.
|
||
* @param localName The local name.
|
||
* @return The attributes index, or -1 if none was found.
|
||
* @see org.xml.sax.Attributes#getIndex(java.lang.String,java.lang.String)
|
||
*/
|
||
public int getIndex (String uri, String localName)
|
||
{
|
||
return -1;
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up an attribute index by qualified (prefixed) name.
|
||
*
|
||
* @param qName The qualified name.
|
||
* @return The attributes index, or -1 if none was found.
|
||
* @see org.xml.sax.Attributes#getIndex(java.lang.String)
|
||
*/
|
||
public int getIndex (String qName)
|
||
{
|
||
int max = atts.getLength();
|
||
for (int i = 0; i < max; i++) {
|
||
if (qAtts.getName(i).equals(qName)) {
|
||
return i;
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up the type of an attribute by Namespace name.
|
||
*
|
||
* @param uri The Namespace URI
|
||
* @param localName The local name.
|
||
* @return The attribute's type as an internalized string.
|
||
*/
|
||
public String getType (String uri, String localName)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up the type of an attribute by qualified (prefixed) name.
|
||
*
|
||
* @param qName The qualified name.
|
||
* @return The attribute's type as an internalized string.
|
||
*/
|
||
public String getType (String qName)
|
||
{
|
||
return qAtts.getType(qName).intern();
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up the value of an attribute by Namespace name.
|
||
*
|
||
* @param uri The Namespace URI
|
||
* @param localName The local name.
|
||
* @return The attribute's value.
|
||
*/
|
||
public String getValue (String uri, String localName)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
|
||
/**
|
||
* Look up the value of an attribute by qualified (prefixed) name.
|
||
*
|
||
* @param qName The qualified name.
|
||
* @return The attribute's value.
|
||
*/
|
||
public String getValue (String qName)
|
||
{
|
||
return qAtts.getValue(qName);
|
||
}
|
||
|
||
private AttributeList qAtts;
|
||
}
|
||
}
|
||
|
||
// end of ParserAdapter.java
|