1 /** 2 * This file Copyright (c) 2008-2011 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.module.cache.filter; 35 36 import java.io.IOException; 37 import java.io.Serializable; 38 39 import javax.servlet.FilterChain; 40 import javax.servlet.ServletException; 41 import javax.servlet.http.HttpServletRequest; 42 import javax.servlet.http.HttpServletResponse; 43 44 /** 45 * Cached redirect contract providing access to the status code and target location. 46 * @author gjoseph 47 * @version $Revision: $ ($Author: $) 48 */ 49 public class CachedRedirect implements CachedEntry, Serializable { 50 private final int statusCode; 51 private final String location; 52 private long timestamp; 53 private String originalUrl; 54 55 public CachedRedirect(int statusCode, String location, String originalUrl) { 56 this.statusCode = statusCode; 57 this.location = location; 58 this.originalUrl = originalUrl; 59 this.timestamp = System.currentTimeMillis(); 60 } 61 62 public int getStatusCode() { 63 return statusCode; 64 } 65 66 public String getLocation() { 67 return location; 68 } 69 70 public void replay(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { 71 // we'll ignore the redirection code for now - especially since the servlet api doesn't really let us choose anyway 72 // except if someone sets the header manually ? 73 if (!response.isCommitted()) { 74 response.sendRedirect(getLocation()); 75 } 76 } 77 78 public String getOriginalURL() { 79 return originalUrl; 80 } 81 82 public long getLastModificationTime() { 83 return timestamp; 84 } 85 }