Package 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	Description
static interface	XPathExpression.XPathEvaluator
static interface	XPathExpression.XPathEvaluatorFactory

Field Summary

Fields

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

Method Summary

Modifier and Type	Method	Description
Object	evaluate(Filterable message)	Returns the value of this expression.
protected static Map<String,Boolean>	getFeatures()
boolean	matches(Filterable message)	Returns true if the expression evaluates to Boolean.TRUE.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

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 Details

evaluate

public Object evaluate(Filterable message)
                throws FilterException

Description copied from interface: Expression

Returns the value of this expression.

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

Returns true if the expression evaluates to Boolean.TRUE.

Specified by:

matches in interface BooleanExpression

Returns:

true if the expression evaluates to Boolean.TRUE

Throws:

FilterException

getFeatures

protected static Map<String,Boolean> getFeatures()
                                          throws ParserConfigurationException

Throws:

ParserConfigurationException