org.apache.activemq.filter

Class XPathExpression

java.lang.Object

org.apache.activemq.filter.XPathExpression

All Implemented Interfaces:

BooleanExpression, Expression

public final class XPathExpression
extends 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 String	DOCUMENT_BUILDER_FACTORY_FEATURE

Method Summary

Modifier and Type	Method and Description
Object	evaluate(MessageEvaluationContext message)
boolean	matches(MessageEvaluationContext message)
protected static void	setupFeatures(DocumentBuilderFactory factory)
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 String DOCUMENT_BUILDER_FACTORY_FEATURE

See Also:

Constant Field Values

Method Detail

setupFeatures

protected static void setupFeatures(DocumentBuilderFactory factory)

evaluate

public 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 String toString()

Overrides:

toString in class 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