org.jasig.portlet.notice.service.rest

Interface IParameterEvaluator

All Known Implementing Classes:

AbstractParameterEvaluator, PortletRequestAttributeParameterEvaluator, StringLiteralParameterEvaluator, UserAttributeParameterEvaluator

public interface IParameterEvaluator

Method Summary

Modifier and Type	Method and Description
String	evaluate(javax.portlet.PortletRequest req) Provides a value for the configured parameter, or null if none is available.
String	getToken() The replacement token that this IParameterEvaluator instance will perform replacement on.

Method Detail

getToken

String getToken()

The replacement token that this IParameterEvaluator instance will perform replacement on. Services that use parameter evaluators will place these onjects into the evaluation context based on the key they specify.

Returns:

The token this evaluator replaces

Since:

3.1

evaluate

String evaluate(javax.portlet.PortletRequest req)

Provides a value for the configured parameter, or null if none is available.

Parameters:

req - The current, active PortletRequest

Returns:

A valid value or null