1 /**
2 * This file Copyright (c) 2010-2010 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;
35
36 import java.io.Serializable;
37 import java.util.Map;
38
39 /**
40 * Default cache key implementation. Key is based on the URI, server name, parameters and request headers. Since the server name is likely to change from server to server, copying cached items around will most likely not help to avoid generating cache entries.
41 *
42 * @author had
43 * @version $Id:$
44 */
45 public class DefaultCacheKey implements Serializable {
46
47 // Keep the svuid fixed to prevent deserialization errors. Keep in mind that when adding new properties they will be deserialized to null!
48 private static final long serialVersionUID = 2699497852929596651L;
49
50 private String uri;
51 private String serverName;
52 private String locale;
53 private Map<String, String> params;
54
55 public DefaultCacheKey(String uri, String serverName, String locale, Map<String, String> params) {
56 this.uri = uri;
57 this.serverName = serverName;
58 this.locale = locale;
59 this.params = params;
60 }
61
62 @Override
63 public int hashCode() {
64 return (uri == null ? 13 : uri.hashCode())
65 + (serverName == null ? 17 : serverName.hashCode())
66 + (locale == null ? 23 : locale.hashCode())
67 + (params == null ? 27 : params.hashCode());
68 }
69
70 @Override
71 public boolean equals(Object obj) {
72 if (this == obj) {
73 return true;
74 }
75 if (obj == null || !(obj instanceof DefaultCacheKey)) {
76 return false;
77 }
78 DefaultCacheKey that = (DefaultCacheKey) obj;
79 return (this.uri == null) ? that.uri == null : this.uri.equals(that.uri)
80 && (this.serverName == null ? that.serverName == null : this.serverName.equals(that.serverName))
81 && (this.locale == null ? that.locale == null : this.locale.equals(that.locale))
82 && (this.params == null ? that.params == null : this.params.equals(that.params));
83 }
84
85 public String getUri() {
86 return this.uri;
87 }
88
89 public String getDomain() {
90 return this.serverName;
91 }
92
93 // generated toString() method
94 public String toString() {
95 return "DefaultCacheKey{" +
96 "uri='" + uri + '\'' +
97 ", serverName='" + serverName + '\'' +
98 ", locale='" + locale + '\'' +
99 ", params=" + params +
100 '}';
101 }
102
103 }