cn.hutool.core.util

Class XmlUtil.UniversalNamespaceCache

java.lang.Object

cn.hutool.core.util.XmlUtil.UniversalNamespaceCache

All Implemented Interfaces:

NamespaceContext

Enclosing class:

XmlUtil

public static class XmlUtil.UniversalNamespaceCache
extends Object
implements NamespaceContext

全局命名空间上下文
见：https://www.ibm.com/developerworks/cn/xml/x-nmspccontext/

Constructor Summary

Constructors

Constructor and Description
UniversalNamespaceCache(Node node, boolean toplevelOnly) This constructor parses the document and stores all namespaces it can find.

Method Summary

Modifier and Type	Method and Description
String	getNamespaceURI(String prefix) This method is called by XPath.
String	getPrefix(String namespaceURI) This method is not needed in this context, but can be implemented in a similar way.
Iterator<String>	getPrefixes(String namespaceURI)

Methods inherited from class java.lang.Object

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

Constructor Detail

UniversalNamespaceCache

public UniversalNamespaceCache(Node node,
                               boolean toplevelOnly)

This constructor parses the document and stores all namespaces it can find. If toplevelOnly is true, only namespaces in the root are used.

Parameters:

node - source Node

toplevelOnly - restriction of the search to enhance performance

Method Detail

getNamespaceURI

public String getNamespaceURI(String prefix)

This method is called by XPath. It returns the default namespace, if the prefix is null or "".

Specified by:

getNamespaceURI in interface NamespaceContext

Parameters:

prefix - to search for

Returns:

uri

getPrefix

public String getPrefix(String namespaceURI)

This method is not needed in this context, but can be implemented in a similar way.

Specified by:

getPrefix in interface NamespaceContext

getPrefixes

public Iterator<String> getPrefixes(String namespaceURI)

Specified by:

getPrefixes in interface NamespaceContext