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 }