001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.application; 021 022 /* 023 * Created 22.11.2004 18:33:44. 024 * $Id: ActionListenerImpl.java 1368577 2012-08-02 16:20:31Z lofwyr $ 025 */ 026 027 import org.apache.commons.logging.Log; 028 import org.apache.commons.logging.LogFactory; 029 030 import javax.faces.application.Application; 031 import javax.faces.application.FacesMessage; 032 import javax.faces.application.NavigationHandler; 033 import javax.faces.component.ActionSource; 034 import javax.faces.component.UIComponent; 035 import javax.faces.context.FacesContext; 036 import javax.faces.el.MethodBinding; 037 import javax.faces.event.AbortProcessingException; 038 import javax.faces.event.ActionEvent; 039 import javax.faces.event.ActionListener; 040 import javax.faces.FacesException; 041 042 public class ActionListenerImpl implements ActionListener { 043 044 private static final Log LOG = LogFactory.getLog(ActionListenerImpl.class); 045 046 private ActionListener base; 047 048 private String errorOutcome = "error"; 049 050 public ActionListenerImpl(ActionListener base) { 051 this.base = base; 052 } 053 054 public void processAction(ActionEvent event) throws AbortProcessingException { 055 try { 056 base.processAction(event); 057 } catch (Throwable e) { 058 if (e instanceof FacesException) { 059 Throwable fe = e; 060 while (fe != null) { 061 if (fe instanceof AbortProcessingException) { 062 throw (FacesException) e; 063 } 064 fe = fe.getCause(); 065 } 066 } 067 LOG.error("Processing failed. Forwarding to error page. errorOutcome=" 068 + errorOutcome, e.getCause()); 069 FacesContext facesContext = FacesContext.getCurrentInstance(); 070 FacesMessage facesMessage 071 = new FacesMessage(e.getCause().toString()); 072 facesContext.addMessage(null, facesMessage); 073 UIComponent source = event.getComponent(); 074 ActionSource actionSource = (ActionSource) source; 075 Application application = facesContext.getApplication(); 076 MethodBinding binding = actionSource.getAction(); 077 // Retrieve the NavigationHandler instance.. 078 NavigationHandler navHandler = application.getNavigationHandler(); 079 // Invoke nav handling.. 080 String navBinding = 081 (null != binding) ? binding.getExpressionString() : null; 082 navHandler.handleNavigation(facesContext, navBinding, 083 errorOutcome); 084 // Trigger a switch to Render Response if needed 085 facesContext.renderResponse(); 086 } 087 } 088 089 public String getErrorOutcome() { 090 return errorOutcome; 091 } 092 093 public void setErrorOutcome(String errorOutcome) { 094 this.errorOutcome = errorOutcome; 095 } 096 }