/*
* Copyright 2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.myfaces.application;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.application.NavigationHandler;
import javax.faces.component.ActionSource;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.MethodBinding;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
/**
* @author Manfred Geiler (latest modification by $Author: dennisbyrne $)
* @author Anton Koinov
* @version $Revision: 511715 $ $Date: 2007-02-26 05:05:36 +0100 (Mo, 26 Feb 2007) $
*/
public class ActionListenerImpl
implements ActionListener
{
public void processAction(ActionEvent actionEvent) throws AbortProcessingException
{
FacesContext facesContext = FacesContext.getCurrentInstance();
Application application = facesContext.getApplication();
ActionSource actionSource = (ActionSource)actionEvent.getComponent();
MethodBinding methodBinding = actionSource.getAction();
String fromAction = null;
String outcome = null;
if (methodBinding != null)
{
fromAction = methodBinding.getExpressionString();
try
{
Object objOutcome = methodBinding.invoke(facesContext, null);
if (objOutcome != null)
{
outcome = objOutcome.toString();
}
}
catch (EvaluationException e)
{
Throwable cause = e.getCause();
if (cause != null && cause instanceof AbortProcessingException)
{
throw (AbortProcessingException)cause;
}
throw new FacesException("Error calling action method of component with id " + actionEvent.getComponent().getClientId(facesContext), e);
}
catch (RuntimeException e)
{
throw new FacesException("Error calling action method of component with id " + actionEvent.getComponent().getClientId(facesContext), e);
}
}
NavigationHandler navigationHandler = application.getNavigationHandler();
navigationHandler.handleNavigation(facesContext,
fromAction,
outcome);
//Render Response if needed
facesContext.renderResponse();
}
}