org.apache.xml.utils

Class PrefixResolverDefault

java.lang.Object

org.apache.xml.utils.PrefixResolverDefault

All Implemented Interfaces:

PrefixResolver

public class PrefixResolverDefault
extends Object
implements PrefixResolver

This class implements a generic PrefixResolver that can be used to perform prefix-to-namespace lookup for the XPath object.

Constructor Summary

Constructors

Constructor and Description
PrefixResolverDefault(Node xpathExpressionContext) Construct a PrefixResolverDefault object.

Method Summary

Methods

Modifier and Type	Method and Description
String	getBaseIdentifier() Return the base identifier.
String	getNamespaceForPrefix(String prefix) Given a namespace, get the corrisponding prefix.
String	getNamespaceForPrefix(String prefix, Node namespaceContext) Given a namespace, get the corrisponding prefix.
boolean	handlesNullPrefixes()

Methods inherited from class java.lang.Object

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

Constructor Detail

PrefixResolverDefault

public PrefixResolverDefault(Node xpathExpressionContext)

Construct a PrefixResolverDefault object.

Parameters:

xpathExpressionContext - The context from which XPath expression prefixes will be resolved. Warning: This will not work correctly if xpathExpressionContext is an attribute node.

Method Detail

getNamespaceForPrefix

public String getNamespaceForPrefix(String prefix)

Given a namespace, get the corrisponding prefix. This assumes that the PrevixResolver hold's it's own namespace context, or is a namespace context itself.

Specified by:

getNamespaceForPrefix in interface PrefixResolver

Parameters:

prefix - Prefix to resolve.

Returns:

Namespace that prefix resolves to, or null if prefix is not bound.

getNamespaceForPrefix

public String getNamespaceForPrefix(String prefix,
                           Node namespaceContext)

Given a namespace, get the corrisponding prefix. 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.

getBaseIdentifier

public 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()