net.sourceforge.htmlunit.xpath.xml.utils

Interface PrefixResolver

All Known Implementing Classes:

PrefixResolverDefault

public interface PrefixResolver

The class that implements this interface can resolve prefixes to namespaces. Examples would include resolving the meaning of a prefix at a particular point in a document, or mapping the prefixes used in an XPath expression.

Method Summary

Modifier and Type	Method and Description
String	getNamespaceForPrefix(String prefix) Given a namespace, get the corresponding prefix.
String	getNamespaceForPrefix(String prefix, Node context) Given a namespace, get the corresponding prefix, based on the context node.
boolean	handlesNullPrefixes()

Method Detail

getNamespaceForPrefix

String getNamespaceForPrefix(String prefix)

Given a namespace, get the corresponding prefix. This assumes that the PrefixResolver holds its own namespace context, or is a namespace context itself.

Parameters:

prefix - The prefix to look up, which may be an empty string ("") for the default Namespace.

Returns:

The associated Namespace URI, or null if the prefix is undeclared in this context.

getNamespaceForPrefix

String getNamespaceForPrefix(String prefix,
                             Node context)

Given a namespace, get the corresponding prefix, based on the context node.

Parameters:

prefix - The prefix to look up, which may be an empty string ("") for the default Namespace.

context - The node context from which to look up the URI.

Returns:

The associated Namespace URI as a string, or null if the prefix is undeclared in this context.

handlesNullPrefixes

boolean handlesNullPrefixes()