src/org/apache/xpath/domapi/XPathNSResolverImpl.java

/*
 * The Apache Software License, Version 1.1
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 *
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 * reserved.
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 * modification, are permitted provided that the following conditions
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 *    notice, this list of conditions and the following disclaimer. 
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 * This software consists of voluntary contributions made by many
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 * 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);
	}

}