org.dom4j.tree
Class NamespaceCache

java.lang.Object
  org.dom4j.tree.NamespaceCache

public class NamespaceCache

extends java.lang.Object

NamespaceCache caches instances of DefaultNamespace for reuse both across documents and within documents.

Version:

$Revision: 1.11 $

Author:

James Strachan, Maarten Coene, Brett Finnell

Field Summary

protected static java.util.Map	cache Cache of Map instances indexed by URI which contain caches of Namespace for each prefix
protected static java.util.Map	noPrefixCache Cache of Namespace instances indexed by URI for default namespaces with no prefixes

Constructor Summary

NamespaceCache()

Method Summary

protected Namespace	createNamespace(java.lang.String prefix, java.lang.String uri) A factory method to create Namespace instance
Namespace	get(java.lang.String uri)
Namespace	get(java.lang.String prefix, java.lang.String uri)
protected java.util.Map	getURICache(java.lang.String uri)

Methods inherited from class java.lang.Object

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

Field Detail

cache

protected static java.util.Map cache

Cache of Map instances indexed by URI which contain caches of Namespace for each prefix

noPrefixCache

protected static java.util.Map noPrefixCache

Cache of Namespace instances indexed by URI for default namespaces with no prefixes

Constructor Detail

NamespaceCache

public NamespaceCache()

Method Detail

get

public Namespace get(java.lang.String prefix,
                     java.lang.String uri)

Returns:

the name model for the given name and namepsace

get

public Namespace get(java.lang.String uri)

Returns:

the name model for the given name and namepsace

getURICache

protected java.util.Map getURICache(java.lang.String uri)

Returns:

the cache for the given namespace URI. If one does not currently exist it is created.

createNamespace

protected Namespace createNamespace(java.lang.String prefix,
                                    java.lang.String uri)

A factory method to create Namespace instance

Returns:

a newly created Namespace instance.