org.apache.geronimo.system.configuration.condition
Class JexlConditionParser

java.lang.Object
  org.apache.geronimo.system.configuration.condition.JexlConditionParser

All Implemented Interfaces:

ConditionParser

public class JexlConditionParser
extends Object
implements ConditionParser

Provides a simple facility to evaluate condition expressions using the Jexl language.

This class is thread-safe.

Version:

$Rev: 1160559 $ $Date: 2011-08-23 14:37:46 +0800 (Tue, 23 Aug 2011) $

Constructor Summary

JexlConditionParser()

JexlConditionParser(Map<String,Object> vars)

Method Summary

boolean

evaluate(String expression) Evaluate a condition expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

JexlConditionParser

public JexlConditionParser(Map<String,Object> vars)

JexlConditionParser

public JexlConditionParser()

Method Detail

evaluate

public boolean evaluate(String expression)
                 throws ConditionParserException

Evaluate a condition expression.

Specified by:

evaluate in interface ConditionParser

Parameters:

expression - The condition expression to evaluate; must not be null

Returns:

True if the condition is satisfied

Throws:

ConditionParserException - Failed to evaluate condition expression