org.apache.xpath.jaxp
Class JAXPPrefixResolver

java.lang.Object
  |
  +--org.apache.xpath.jaxp.JAXPPrefixResolver

public class JAXPPrefixResolver
extends java.lang.Object
implements PrefixResolver

This class implements a Default PrefixResolver which can be used to perform prefix-to-namespace lookup for the XPath object. This class delegates the resolution to the passed NamespaceContext


Field Summary
static java.lang.String S_XMLNAMESPACEURI
          The URI for the XML namespace.
 
Constructor Summary
JAXPPrefixResolver(NamespaceContext nsContext)
           
 
Method Summary
 java.lang.String getBaseIdentifier()
          Return the base identifier.
 java.lang.String getNamespaceForPrefix(java.lang.String prefix)
           
 java.lang.String getNamespaceForPrefix(java.lang.String prefix, Node namespaceContext)
          Given a prefix and a Context Node, get the corresponding namespace.
 boolean handlesNullPrefixes()
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

S_XMLNAMESPACEURI

public static final java.lang.String S_XMLNAMESPACEURI
The URI for the XML namespace. (Duplicate of that found in org.apache.xpath.XPathContext).
Constructor Detail

JAXPPrefixResolver

public JAXPPrefixResolver(NamespaceContext nsContext)
Method Detail

getNamespaceForPrefix

public java.lang.String getNamespaceForPrefix(java.lang.String prefix)
Specified by:
getNamespaceForPrefix in interface PrefixResolver

getBaseIdentifier

public java.lang.String getBaseIdentifier()
Return the base identifier.
Specified by:
getBaseIdentifier in interface PrefixResolver
Returns:
null

handlesNullPrefixes

public boolean handlesNullPrefixes()
Specified by:
handlesNullPrefixes in interface PrefixResolver
See Also:
PrefixResolver.handlesNullPrefixes()

getNamespaceForPrefix

public java.lang.String getNamespaceForPrefix(java.lang.String prefix,
                                              Node namespaceContext)
Given a prefix and a Context Node, get the corresponding namespace. Warning: This will not work correctly if namespaceContext is an attribute node.
Specified by:
getNamespaceForPrefix in interface PrefixResolver
Parameters:
prefix - Prefix to resolve.
namespaceContext - Node from which to start searching for a xmlns attribute that binds a prefix to a namespace.
Returns:
Namespace that prefix resolves to, or null if prefix is not bound.


Copyright 2006 Apache XML Project. All Rights Reserved.