001 package org.apache.myfaces.tobago.webapp; 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 25.10.2004 17:57:53. 022 * $Id: LogoutActionListener.java 578592 2007-09-23 18:51:32Z bommel $ 023 */ 024 025 import org.apache.commons.logging.Log; 026 import org.apache.commons.logging.LogFactory; 027 028 import javax.faces.FacesException; 029 import javax.faces.context.ExternalContext; 030 import javax.faces.context.FacesContext; 031 import javax.faces.event.AbortProcessingException; 032 import javax.faces.event.ActionEvent; 033 import javax.faces.event.ActionListener; 034 import javax.servlet.http.HttpSession; 035 import java.io.IOException; 036 037 public class LogoutActionListener implements ActionListener { 038 039 private static final Log LOG = LogFactory.getLog(LogoutActionListener.class); 040 041 public void processAction(ActionEvent event) throws AbortProcessingException { 042 FacesContext facesContext = FacesContext.getCurrentInstance(); 043 ExternalContext externalContext = facesContext.getExternalContext(); 044 Object session = externalContext.getSession(false); 045 if (session != null) { 046 if (session instanceof HttpSession) { 047 ((HttpSession) session).invalidate(); 048 } 049 // TODO: PortletRequest ?? 050 } 051 String forward = externalContext.getRequestContextPath() + "/"; 052 try { 053 externalContext.redirect(forward); 054 } catch (IOException e) { 055 LOG.error("", e); 056 // TODO: may do error handling 057 throw new FacesException("Can't redirect to '" + forward + "'"); 058 } 059 facesContext.responseComplete(); 060 } 061 062 }