org.apache.tiles.evaluator
Interface AttributeEvaluator

All Known Implementing Classes:

AbstractAttributeEvaluator, DirectAttributeEvaluator, ELAttributeEvaluator, ELAttributeEvaluator, MVELAttributeEvaluator, OGNLAttributeEvaluator

public interface AttributeEvaluator

It represents an object that resolves a string to return an object.

Since:

2.1.0

Version:

$Rev: 644022 $ $Date: 2008-04-02 21:46:59 +0200 (mer, 02 apr 2008) $

Method Summary

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

Method Detail

init

void init(Map<String,String> initParameters)

Initializes the attribute evaluator.

Parameters:

initParameters - The initialization parameters.

Since:

2.1.0

evaluate

Object evaluate(String expression,
                TilesRequestContext request)

Evaluates an expression.

Parameters:

expression - The expression to evaluate.

request - The request object.

Returns:

The evaluated object.

Since:

2.1.0

evaluate

Object evaluate(Attribute attribute,
                TilesRequestContext request)

Evaluates an attribute value.

Parameters:

attribute - The attribute to evaluate.

request - The request object.

Returns:

The evaluated object.

Since:

2.1.0