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.webapp; 021 022 /* 023 * Created 25.10.2004 17:57:53. 024 * $Id: LogoutActionListener.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.FacesException; 031 import javax.faces.context.ExternalContext; 032 import javax.faces.context.FacesContext; 033 import javax.faces.event.AbortProcessingException; 034 import javax.faces.event.ActionEvent; 035 import javax.faces.event.ActionListener; 036 import javax.servlet.http.HttpSession; 037 import java.io.IOException; 038 039 public class LogoutActionListener implements ActionListener { 040 041 private static final Log LOG = LogFactory.getLog(LogoutActionListener.class); 042 043 public void processAction(ActionEvent event) throws AbortProcessingException { 044 FacesContext facesContext = FacesContext.getCurrentInstance(); 045 ExternalContext externalContext = facesContext.getExternalContext(); 046 Object session = externalContext.getSession(false); 047 if (session != null) { 048 if (session instanceof HttpSession) { 049 ((HttpSession) session).invalidate(); 050 } 051 // TODO: PortletRequest ?? 052 } 053 String forward = externalContext.getRequestContextPath() + "/"; 054 try { 055 externalContext.redirect(forward); 056 } catch (IOException e) { 057 LOG.error("", e); 058 // TODO: may do error handling 059 throw new FacesException("Can't redirect to '" + forward + "'"); 060 } 061 facesContext.responseComplete(); 062 } 063 064 }