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org.apache.tiles.mvel
Class MVELAttributeEvaluator

java.lang.Object
  org.apache.tiles.evaluator.AbstractAttributeEvaluator
      org.apache.tiles.mvel.MVELAttributeEvaluator

All Implemented Interfaces:

AttributeEvaluator

public class MVELAttributeEvaluator
extends AbstractAttributeEvaluator

Allows to use MVEL as the language to evaluate attribute values.

Since:

2.2.0

Version:

$Rev: 817009 $ $Date: 2009-09-20 13:26:26 +0200 (dom, 20 set 2009) $

Constructor Summary

MVELAttributeEvaluator(TilesRequestContextHolder requestHolder, org.mvel2.integration.VariableResolverFactory variableResolverFactory)
Constructor.

Method Summary

Object	evaluate(String expression, TilesRequestContext request) Evaluates an expression.
void	init(Map<String,String> initParameters) Initializes the attribute evaluator.

Methods inherited from class org.apache.tiles.evaluator.AbstractAttributeEvaluator

evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

MVELAttributeEvaluator

public MVELAttributeEvaluator(TilesRequestContextHolder requestHolder,
                              org.mvel2.integration.VariableResolverFactory variableResolverFactory)

Constructor.

Parameters:

requestHolder - The object that holds the Tiles request context of the current thread.

variableResolverFactory - The resolver factory to use.

Since:

2.2.0

Method Detail

init

public void init(Map<String,String> initParameters)

Initializes the attribute evaluator.

Parameters:

initParameters - The initialization parameters.

evaluate

public Object evaluate(String expression,
                       TilesRequestContext request)

Evaluates an expression.

Parameters:

expression - The expression to evaluate.

request - The request object.

Returns:

The evaluated object.