001 package org.apache.myfaces.tobago.application; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 /* 021 * Created 22.11.2004 18:33:44. 022 * $Id: ActionListenerImpl.java 474273 2006-11-13 12:15:36Z lofwyr $ 023 */ 024 025 import org.apache.commons.logging.Log; 026 import org.apache.commons.logging.LogFactory; 027 028 import javax.faces.application.Application; 029 import javax.faces.application.FacesMessage; 030 import javax.faces.application.NavigationHandler; 031 import javax.faces.component.ActionSource; 032 import javax.faces.component.UIComponent; 033 import javax.faces.context.FacesContext; 034 import javax.faces.el.MethodBinding; 035 import javax.faces.event.AbortProcessingException; 036 import javax.faces.event.ActionEvent; 037 import javax.faces.event.ActionListener; 038 039 public class ActionListenerImpl implements ActionListener { 040 041 private static final Log LOG = LogFactory.getLog(ActionListenerImpl.class); 042 043 private ActionListener base; 044 045 private String errorOutcome = "error"; 046 047 public ActionListenerImpl(ActionListener base) { 048 this.base = base; 049 } 050 051 public void processAction(ActionEvent event) throws AbortProcessingException { 052 try { 053 base.processAction(event); 054 } catch (Throwable e) { 055 LOG.error("Processing failed. Forwarding to error page. errorOutcome=" 056 + errorOutcome, e.getCause()); 057 FacesContext facesContext = FacesContext.getCurrentInstance(); 058 FacesMessage facesMessage 059 = new FacesMessage(e.getCause().toString()); 060 facesContext.addMessage(null, facesMessage); 061 UIComponent source = event.getComponent(); 062 ActionSource actionSource = (ActionSource) source; 063 Application application = facesContext.getApplication(); 064 MethodBinding binding = actionSource.getAction(); 065 // Retrieve the NavigationHandler instance.. 066 NavigationHandler navHandler = application.getNavigationHandler(); 067 // Invoke nav handling.. 068 String navBinding = 069 (null != binding) ? binding.getExpressionString() : null; 070 navHandler.handleNavigation(facesContext, navBinding, 071 errorOutcome); 072 // Trigger a switch to Render Response if needed 073 facesContext.renderResponse(); 074 } 075 } 076 077 public String getErrorOutcome() { 078 return errorOutcome; 079 } 080 081 public void setErrorOutcome(String errorOutcome) { 082 this.errorOutcome = errorOutcome; 083 } 084 }