1 /** 2 * This file Copyright (c) 2008-2015 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 51 private final int statusCode; 52 private final String location; 53 private long timestamp; 54 private String originalUrl; 55 private int timeToLiveInSeconds = -1; 56 57 public CachedRedirect(int statusCode, String location, String originalUrl, int timeToLiveInSeconds) { 58 this.statusCode = statusCode; 59 this.location = location; 60 this.originalUrl = originalUrl; 61 this.timestamp = System.currentTimeMillis(); 62 this.timeToLiveInSeconds = timeToLiveInSeconds; 63 } 64 65 public int getStatusCode() { 66 return statusCode; 67 } 68 69 public String getLocation() { 70 return location; 71 } 72 73 @Override 74 public void replay(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { 75 // we'll ignore the redirection code for now - especially since the servlet api doesn't really let us choose anyway 76 // except if someone sets the header manually ? 77 if (!response.isCommitted()) { 78 response.sendRedirect(getLocation()); 79 } 80 } 81 82 @Override 83 public String getOriginalURL() { 84 return originalUrl; 85 } 86 87 @Override 88 public long getLastModificationTime() { 89 return timestamp; 90 } 91 92 @Override 93 public int getTimeToLiveInSeconds() { 94 return timeToLiveInSeconds; 95 } 96 }