# Package org.apache.tiles.core.evaluator

Interfaces to manage attribute value evaluation.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  AttributeEvaluator | It represents an object that resolves a string to return an object.
  AttributeEvaluatorFactory | Creates an attribute evaluator using the language or an attribute.
  AttributeEvaluatorFactoryAware | It represents an object that can use an `AttributeEvaluatorFactory`.

- Class Summary
  Class | Description
  --- | ---
  AbstractAttributeEvaluator | Abstract class to link a correct evaluation of an attribute, by evaluating `Attribute.getValue()` and then `Attribute.getExpressionObject()`.
  BasicAttributeEvaluatorFactory | Basic implementation of `AttributeEvaluatorFactory`.

- Exception Summary
  Exception | Description
  --- | ---
  EvaluationException | Exception raised when an expression language evaluation fails.

## Package org.apache.tiles.core.evaluator Description

Interfaces to manage attribute value evaluation.

Copyright © 2000–2026 Apache Software Foundation. All rights reserved.