xpathnsresolverimpl.java

来自「java jdk 1.4的源码」· Java 代码 · 共 98 行

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2002 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
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 *    distribution.
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 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Xalan" and "Apache Software Foundation" must
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, Lotus
 * Development Corporation., http://www.lotus.com.  For more
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package org.apache.xpath.domapi;

import org.apache.xml.utils.PrefixResolverDefault;
import org.w3c.dom.Node;
import org.w3c.dom.xpath.XPathNSResolver;

/**
 * <meta name="usage" content="experimental"/>
 *
 * The class provides an implementation XPathNSResolver according 
 * to the DOM L3 XPath API Specification, Working Draft 28, March 2002.
 * 
 * 
 * <p>The <code>XPathNSResolver</code> interface permit <code>prefix</code> 
 * strings in the expression to be properly bound to 
 * <code>namespaceURI</code> strings. <code>XPathEvaluator</code> can 
 * construct an implementation of <code>XPathNSResolver</code> from a node, 
 * or the interface may be implemented by any application.</p>
 * <p>See also the <a href='http://www.w3.org/TR/2002/WD-DOM-Level-3-XPath-20020328'>Document Object Model (DOM) Level 3 XPath Specification</a>.</p>
 * 
 * @see org.w3c.dom.xpath.XPathNSResolver
 */
public class XPathNSResolverImpl extends PrefixResolverDefault implements XPathNSResolver {

	/**
	 * Constructor for XPathNSResolverImpl.
	 * @param xpathExpressionContext
	 */
	public XPathNSResolverImpl(Node xpathExpressionContext) {
		super(xpathExpressionContext);
	}

	/**
	 * @see org.w3c.dom.xpath.XPathNSResolver#lookupNamespaceURI(String)
	 */
	public String lookupNamespaceURI(String prefix) {
		return super.getNamespaceForPrefix(prefix);
	}

}