XPathNSResolverImpl

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Sourc code of org.apache.xpath.domapi.XPathNSResolverImpl

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org.apache.xpath.domapi
Class XPathNSResolverImpl

java.lang.Object
  org.apache.xml.utils.PrefixResolverDefault
      org.apache.xpath.domapi.XPathNSResolverImpl

All Implemented Interfaces:: org.apache.xml.utils.PrefixResolver, org.w3c.dom.xpath.XPathNSResolver

public class XPathNSResolverImpl
extends org.apache.xml.utils.PrefixResolverDefault
implements org.w3c.dom.xpath.XPathNSResolver

The class provides an implementation XPathNSResolver according to the DOM L3 XPath API Specification, Working Draft 28, March 2002.

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.

Field Summary

Fields inherited from class org.apache.xml.utils.PrefixResolverDefault

Constructor Summary

XPathNSResolverImpl(org.w3c.dom.Node xpathExpressionContext)
Constructor for XPathNSResolverImpl.

Method Summary

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

Methods inherited from class org.apache.xml.utils.PrefixResolverDefault

getBaseIdentifier, getNamespaceForPrefix, getNamespaceForPrefix, handlesNullPrefixes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XPathNSResolverImpl

public XPathNSResolverImpl(org.w3c.dom.Node xpathExpressionContext)

Constructor for XPathNSResolverImpl.

Method Detail

lookupNamespaceURI

public java.lang.String lookupNamespaceURI(java.lang.String prefix)

Description copied from interface: org.w3c.dom.xpath.XPathNSResolver

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.