/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.tobago.application;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.el.MethodExpression;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.application.FacesMessage;
import javax.faces.application.NavigationHandler;
import javax.faces.component.ActionSource2;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
public class ActionListenerImpl implements ActionListener {
private static final Logger LOG = LoggerFactory.getLogger(ActionListenerImpl.class);
private ActionListener base;
private String errorOutcome = "error";
public ActionListenerImpl(ActionListener base) {
this.base = base;
}
public void processAction(ActionEvent event) throws AbortProcessingException {
try {
base.processAction(event);
} catch (Throwable e) {
if (e instanceof FacesException) {
Throwable fe = e;
while (fe != null) {
if (fe instanceof AbortProcessingException) {
throw (FacesException) e;
}
fe = fe.getCause();
}
}
LOG.error("Processing failed. Forwarding to error page. errorOutcome=" + errorOutcome, e.getCause());
FacesContext facesContext = FacesContext.getCurrentInstance();
if (e.getCause() != null) {
FacesMessage facesMessage = new FacesMessage(e.getCause().toString());
facesContext.addMessage(null, facesMessage);
}
UIComponent source = event.getComponent();
ActionSource2 actionSource = (ActionSource2) source;
Application application = facesContext.getApplication();
MethodExpression expression = actionSource.getActionExpression();
// Retrieve the NavigationHandler instance..
NavigationHandler navHandler = application.getNavigationHandler();
// Invoke nav handling..
String navBinding = (null != expression) ? expression.getExpressionString() : null;
navHandler.handleNavigation(facesContext, navBinding, errorOutcome);
// Trigger a switch to Render Response if needed
facesContext.renderResponse();
}
}
public String getErrorOutcome() {
return errorOutcome;
}
public void setErrorOutcome(String errorOutcome) {
this.errorOutcome = errorOutcome;
}
}