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java.lang.Object org.apache.tiles.evaluator.AbstractAttributeEvaluator org.apache.tiles.evaluator.el.ELAttributeEvaluator
public class ELAttributeEvaluator
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.
Field Summary | |
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protected TilesApplicationContext |
applicationContext
The Tiles application context. |
static 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 | |
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ELAttributeEvaluator()
Constructor. |
Method Summary | |
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Object |
evaluate(String expression,
TilesRequestContext request)
Evaluates an expression. |
void |
init(Map<String,String> initParameters)
Initializes the attribute evaluator. |
void |
setApplicationContext(TilesApplicationContext applicationContext)
Sets the Tiles application context. |
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 |
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evaluate |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final String EXPRESSION_FACTORY_FACTORY_INIT_PARAM
ExpressionFactoryFactory
.
protected TilesApplicationContext applicationContext
protected javax.el.ExpressionFactory expressionFactory
protected javax.el.ELResolver resolver
Constructor Detail |
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public ELAttributeEvaluator()
Method Detail |
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public void init(Map<String,String> initParameters)
init
in interface AttributeEvaluator
initParameters
- The initialization parameters.public void setApplicationContext(TilesApplicationContext applicationContext)
setApplicationContext
in interface TilesApplicationContextAware
applicationContext
- The Tiles application context.public void setExpressionFactory(javax.el.ExpressionFactory expressionFactory)
expressionFactory
- The expression factory.public void setResolver(javax.el.ELResolver resolver)
resolver
- The EL resolver.public Object evaluate(String expression, TilesRequestContext request)
evaluate
in interface AttributeEvaluator
expression
- The expression to evaluate.request
- The request object.
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