org.apache.tiles.el
Class ELAttributeEvaluator

java.lang.Object
  org.apache.tiles.evaluator.AbstractAttributeEvaluator
      org.apache.tiles.el.ELAttributeEvaluator

All Implemented Interfaces:

TilesApplicationContextAware, AttributeEvaluator

Direct Known Subclasses:

ELAttributeEvaluator

public class ELAttributeEvaluator
extends AbstractAttributeEvaluator
implements TilesApplicationContextAware

Evaluates string expression with typical EL syntax.
You can use normal EL syntax, knowing that the root objects are TilesRequestContext, TilesApplicationContext and beans contained in request, session and application scope.

Since:

2.2.1

Version:

$Rev: 817357 $ $Date: 2009-09-21 20:16:20 +0200 (lun, 21 set 2009) $

Field Summary

protected TilesApplicationContext	applicationContext The Tiles application context.
static java.lang.String	EXPRESSION_FACTORY_FACTORY_INIT_PARAM Initialization parameter to decide the implementation of ExpressionFactoryFactory.
protected javax.el.ExpressionFactory	expressionFactory The EL expression factory.
protected javax.el.ELResolver	resolver The EL resolver to use.

Constructor Summary

ELAttributeEvaluator()
Constructor.

Method Summary

java.lang.Object	evaluate(java.lang.String expression, TilesRequestContext request)
void	init(java.util.Map<java.lang.String,java.lang.String> initParameters)
void	setApplicationContext(TilesApplicationContext applicationContext)
void	setExpressionFactory(javax.el.ExpressionFactory expressionFactory) Sets the expression factory to use.
void	setResolver(javax.el.ELResolver resolver) Sets the EL resolver to use.

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

Field Detail

EXPRESSION_FACTORY_FACTORY_INIT_PARAM

public static final java.lang.String EXPRESSION_FACTORY_FACTORY_INIT_PARAM

Initialization parameter to decide the implementation of ExpressionFactoryFactory.

Since:

2.2.1

See Also:

Constant Field Values

applicationContext

protected TilesApplicationContext applicationContext

The Tiles application context.

Since:

2.2.1

expressionFactory

protected javax.el.ExpressionFactory expressionFactory

The EL expression factory.

Since:

2.2.1

resolver

protected javax.el.ELResolver resolver

The EL resolver to use.

Since:

2.2.1

Constructor Detail

ELAttributeEvaluator

public ELAttributeEvaluator()

Constructor.

Since:

2.2.1

Method Detail

init

public void init(java.util.Map<java.lang.String,java.lang.String> initParameters)

Specified by:

init in interface AttributeEvaluator

setApplicationContext

public void setApplicationContext(TilesApplicationContext applicationContext)

Specified by:

setApplicationContext in interface TilesApplicationContextAware

setExpressionFactory

public void setExpressionFactory(javax.el.ExpressionFactory expressionFactory)

Sets the expression factory to use.

Parameters:

expressionFactory - The expression factory.

Since:

2.2.1

setResolver

public void setResolver(javax.el.ELResolver resolver)

Sets the EL resolver to use.

Parameters:

resolver - The EL resolver.

Since:

2.2.1

evaluate

public java.lang.Object evaluate(java.lang.String expression,
                                 TilesRequestContext request)

Specified by:

evaluate in interface AttributeEvaluator