| Package | Description | 
|---|---|
| org.apache.struts2.tiles | |
| org.apache.tiles.core.evaluator | Interfaces to manage attribute value evaluation. | 
| org.apache.tiles.core.evaluator.impl | Classes to manage attribute value evaluation. | 
| org.apache.tiles.el | Attribute evaluator classes that can perform EL evaluation for attributes. | 
| org.apache.tiles.ognl | Attribute evaluator classes that can perform OGNL evaluation for attributes. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | I18NAttributeEvaluator | 
| class  | StrutsAttributeEvaluator | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractAttributeEvaluatorAbstract class to link a correct evaluation of an attribute, by evaluating
  Attribute.getValue()and thenAttribute.getExpressionObject(). | 
| Modifier and Type | Method and Description | 
|---|---|
| AttributeEvaluator | AttributeEvaluatorFactory. getAttributeEvaluator(Attribute attribute)Creates and attribute evaluator using an attribute. | 
| AttributeEvaluator | BasicAttributeEvaluatorFactory. getAttributeEvaluator(Attribute attribute)Creates and attribute evaluator using an attribute. | 
| AttributeEvaluator | AttributeEvaluatorFactory. getAttributeEvaluator(String language)Creates and attribute evaluator for the given expression language. | 
| AttributeEvaluator | BasicAttributeEvaluatorFactory. getAttributeEvaluator(String language)Creates and attribute evaluator for the given expression language. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | BasicAttributeEvaluatorFactory. registerAttributeEvaluator(String language,
                          AttributeEvaluator evaluator)Registers a known expression language with its attribute evaluator. | 
| Constructor and Description | 
|---|
| BasicAttributeEvaluatorFactory(AttributeEvaluator defaultEvaluator)Constructor. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DirectAttributeEvaluatorResolves a string and returns the string itself. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ELAttributeEvaluatorEvaluates string expression with typical EL syntax. You can use normal EL syntax, knowing the root objects are Request,ApplicationContextand beans
 contained in request, session and application scope. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OGNLAttributeEvaluatorEvaluates attribute expressions and expressions with OGNL language. | 
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