ddf.util

Class XPathCache

java.lang.Object

ddf.util.XPathCache

public class XPathCache
extends Object

This object is used to store compiled XPathExpression objects for the intention of gaining performance. It retains a single XPathFactory object and a single XPath object for the purpose of doing the compilation. As of now it uses a HashMap to store the compiled XPathExpression objects.

Since:

1.0.4

Author:

Ashraf Barakat

Constructor Summary

Constructors

Constructor and Description
XPathCache()

Method Summary

Modifier and Type	Method and Description
static XPathExpression	getCompiledExpression(String xpathExpressionkey)
static NamespaceContext	getNamespaceResolver()
static XPath	getXPath()
static void	setNamespaceResolver(NamespaceResolver nr)

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathCache

public XPathCache()

Method Detail

getXPath

public static XPath getXPath()

getCompiledExpression

public static XPathExpression getCompiledExpression(String xpathExpressionkey)
                                             throws XPathExpressionException,
                                                    NullPointerException

Throws:

XPathExpressionException

NullPointerException

getNamespaceResolver

public static NamespaceContext getNamespaceResolver()

setNamespaceResolver

public static void setNamespaceResolver(NamespaceResolver nr)