Package ch.tocco.nice2.model.base.spi.display

Interface DisplayEvaluator

All Known Subinterfaces:

TextResourceDisplayAndReporter

All Known Implementing Classes:

ConstantDisplayEvalutor, TextResourceDisplayEvaluator

public interface DisplayEvaluator

Evaluate an abstract display-value to a concrete text at runtime.

The implementations has to be THREAD-SAFE!

Method Summary

Modifier and Type	Method	Description
boolean	canResolve(String toEvaluate)	Return if this display-value can be evaluated.
String	evaluate(String toEvaluate)	Evaluate the resource and return it as string

Method Details

evaluate

String evaluate(String toEvaluate)

Evaluate the resource and return it as string

Parameters:

toEvaluate - the resource-identifier @return the resource, non-null

Returns:

text, non-null

canResolve

boolean canResolve(String toEvaluate)

Return if this display-value can be evaluated. If it cannot, the evaluate(String)-Method still has to return a string. This will may be called allready during the configuration-reading process and out of the evaluation-context. So this method cannot expect a 'real'-evaluation-context to evaluate in.

Returns:

true/false