org.jasig.cas.client.util
Class ThreadLocalXPathExpression

java.lang.Object
  java.lang.ThreadLocal<XPathExpression>
      org.jasig.cas.client.util.ThreadLocalXPathExpression

All Implemented Interfaces:

XPathExpression

public class ThreadLocalXPathExpression
extends ThreadLocal<XPathExpression>
implements XPathExpression

Thread local XPath expression.

Since:

3.4

Author:

Marvin S. Addison

Constructor Summary

ThreadLocalXPathExpression(String xPath, NamespaceContext context)
Creates a new instance from an XPath expression and namespace context.

Method Summary

String	evaluate(InputSource inputSource)
Object	evaluate(InputSource inputSource, QName qName)
String	evaluate(Object o)
Object	evaluate(Object o, QName qName)
NodeList	evaluateAsNodeList(Object o) Evaluates the XPath expression and returns the result coerced to a node list.
String	evaluateAsString(Object o) Evaluates the XPath expression and returns the result coerced to a string.
protected XPathExpression	initialValue()

Methods inherited from class java.lang.ThreadLocal

get, remove, set

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreadLocalXPathExpression

public ThreadLocalXPathExpression(String xPath,
                                  NamespaceContext context)

Creates a new instance from an XPath expression and namespace context.

Parameters:

xPath - XPath expression.

context - Namespace context for handling namespace prefix to URI mappings.

Method Detail

evaluate

public Object evaluate(Object o,
                       QName qName)
                throws XPathExpressionException

Specified by:

evaluate in interface XPathExpression

Throws:

XPathExpressionException

evaluate

public String evaluate(Object o)
                throws XPathExpressionException

Specified by:

evaluate in interface XPathExpression

Throws:

XPathExpressionException

evaluate

public Object evaluate(InputSource inputSource,
                       QName qName)
                throws XPathExpressionException

Specified by:

evaluate in interface XPathExpression

Throws:

XPathExpressionException

evaluate

public String evaluate(InputSource inputSource)
                throws XPathExpressionException

Specified by:

evaluate in interface XPathExpression

Throws:

XPathExpressionException

evaluateAsString

public String evaluateAsString(Object o)
                        throws XPathExpressionException

Evaluates the XPath expression and returns the result coerced to a string.

Parameters:

o - Object on which to evaluate the expression; typically a DOM node.

Returns:

Evaluation result as a string.

Throws:

XPathExpressionException - On XPath evaluation errors.

evaluateAsNodeList

public NodeList evaluateAsNodeList(Object o)
                            throws XPathExpressionException

Evaluates the XPath expression and returns the result coerced to a node list.

Parameters:

o - Object on which to evaluate the expression; typically a DOM node.

Returns:

Evaluation result as a node list.

Throws:

XPathExpressionException - On XPath evaluation errors.

initialValue

protected XPathExpression initialValue()

Overrides:

initialValue in class ThreadLocal<XPathExpression>