org.springframework.webflow.action
Class SetAction

java.lang.Object
  org.springframework.webflow.action.AbstractAction
      org.springframework.webflow.action.SetAction

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean, Action

public class SetAction
extends AbstractAction

An action that sets an attribute in a scope when executed. Always returns the "success" event.

Author:

Keith Donald

Field Summary

Fields inherited from class org.springframework.webflow.action.AbstractAction

logger

Constructor Summary

SetAction(org.springframework.binding.expression.SettableExpression attributeExpression, ScopeType scope, org.springframework.binding.expression.Expression valueExpression)
Creates a new set attribute action.

Method Summary

protected Event	doExecute(RequestContext context) Template hook method subclasses should override to encapsulate their specific action execution logic.
protected org.springframework.binding.expression.EvaluationContext	getEvaluationContext(RequestContext context) Template method subclasses may override to customize the expression evaluation context.

Methods inherited from class org.springframework.webflow.action.AbstractAction

afterPropertiesSet, doPostExecute, doPreExecute, error, error, execute, getActionNameForLogging, getEventFactorySupport, initAction, no, result, result, result, result, success, success, yes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SetAction

public SetAction(org.springframework.binding.expression.SettableExpression attributeExpression,
                 ScopeType scope,
                 org.springframework.binding.expression.Expression valueExpression)

Creates a new set attribute action.

Parameters:

attributeExpression - the writeable attribute expression

scope - the target scope of the attribute

valueExpression - the evaluatable attribute value expression

Method Detail

doExecute

protected Event doExecute(RequestContext context)
                   throws java.lang.Exception

Description copied from class: AbstractAction

Template hook method subclasses should override to encapsulate their specific action execution logic.

Specified by:

doExecute in class AbstractAction

Parameters:

context - the action execution context, for accessing and setting data in "flow scope" or "request scope"

Returns:

the action result event

Throws:

java.lang.Exception - an unrecoverable exception occured, either checked or unchecked

getEvaluationContext

protected org.springframework.binding.expression.EvaluationContext getEvaluationContext(RequestContext context)

Template method subclasses may override to customize the expression evaluation context. This implementation returns null.

Parameters:

context - the request context

Returns:

the evaluation context