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.