org.apache.activemq.artemis.selector.filter

Class XPathExpression

java.lang.Object

org.apache.activemq.artemis.selector.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
static interface	XPathExpression.XPathEvaluatorFactory

Field Summary

Fields

Modifier and Type	Field and Description
static String	DOCUMENT_BUILDER_FACTORY_FEATURE_PREFIX
static XPathExpression.XPathEvaluatorFactory	XPATH_EVALUATOR_FACTORY

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Filterable message)
boolean	matches(Filterable 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

XPATH_EVALUATOR_FACTORY

public static XPathExpression.XPathEvaluatorFactory XPATH_EVALUATOR_FACTORY

DOCUMENT_BUILDER_FACTORY_FEATURE_PREFIX

public static final String DOCUMENT_BUILDER_FACTORY_FEATURE_PREFIX

See Also:

Constant Field Values

Method Detail

evaluate

public Object evaluate(Filterable message)
                throws FilterException

Specified by:

evaluate in interface Expression

Returns:

the value of this expression

Throws:

FilterException

toString

public String toString()

Overrides:

toString in class 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

setupFeatures

protected static void setupFeatures(DocumentBuilderFactory factory)
                             throws ParserConfigurationException

Throws:

ParserConfigurationException