org.apache.activemq.filter

Class XPathExpression

java.lang.Object

org.apache.activemq.filter.XPathExpression

All Implemented Interfaces:

BooleanExpression, Expression

public final class XPathExpression
extends java.lang.Object
implements BooleanExpression

Used to evaluate an XPath Expression in a JMS selector.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	XPathExpression.XPathEvaluator

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DOCUMENT_BUILDER_FACTORY_FEATURE

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	evaluate(MessageEvaluationContext message)
boolean	matches(MessageEvaluationContext message)
protected static void	setupFeatures(javax.xml.parsers.DocumentBuilderFactory factory)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DOCUMENT_BUILDER_FACTORY_FEATURE

public static final java.lang.String DOCUMENT_BUILDER_FACTORY_FEATURE

See Also:

Constant Field Values

Method Detail

setupFeatures

protected static void setupFeatures(javax.xml.parsers.DocumentBuilderFactory factory)

evaluate

public java.lang.Object evaluate(MessageEvaluationContext message)
                          throws javax.jms.JMSException

Specified by:

evaluate in interface Expression

Returns:

the value of this expression

Throws:

javax.jms.JMSException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

matches

public boolean matches(MessageEvaluationContext message)
                throws javax.jms.JMSException

Specified by:

matches in interface BooleanExpression

Parameters:

message -

Returns:

true if the expression evaluates to Boolean.TRUE.

Throws:

javax.jms.JMSException