org.apache.activemq.apollo.filter

Class XPathExpression

java.lang.Object

org.apache.activemq.apollo.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
static interface	XPathExpression.XPathEvaluatorFactory

Field Summary

Fields

Modifier and Type	Field and Description
static XPathExpression.XPathEvaluatorFactory	XPATH_EVALUATOR_FACTORY

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	evaluate(Filterable message)
boolean	matches(Filterable message)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

XPATH_EVALUATOR_FACTORY

public static XPathExpression.XPathEvaluatorFactory XPATH_EVALUATOR_FACTORY

Method Detail

evaluate

public java.lang.Object evaluate(Filterable message)
                          throws FilterException

Specified by:

evaluate in interface Expression

Returns:

the value of this expression

Throws:

FilterException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

matches

public boolean matches(Filterable message)
                throws FilterException

Specified by:

matches in interface BooleanExpression

Parameters:

message -

Returns:

true if the expression evaluates to Boolean.TRUE.

Throws:

FilterException