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org.w3c.dom.xpath

Interface XPathNSResolver

public interface XPathNSResolver
The XPathNSResolver interface permit prefix strings in the expression to be properly bound to namespaceURI strings. XPathEvaluator can construct an implementation of XPathNSResolver from a node, or the interface may be implemented by any application.

See also the Document Object Model (DOM) Level 3 XPath Specification.

Method Summary

String
lookupNamespaceURI(String prefix)
Look up the namespace URI associated to the given namespace prefix.

Method Details

lookupNamespaceURI

public String lookupNamespaceURI(String prefix)
Look up the namespace URI associated to the given namespace prefix. The XPath evaluator must never call this with a null or empty argument, because the result of doing this is undefined.
Parameters:
prefix - The prefix to look for.
Returns:
Returns the associated namespace URI or null if none is found.
* Copyright (c) 2004 World Wide Web Consortium, * * (Massachusetts Institute of Technology, European Research Consortium for * Informatics and Mathematics, Keio University). All Rights Reserved. This * work is distributed under the W3C(r) Software License [1] 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. * * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231

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