1 /**
2 * This file Copyright (c) 2003-2010 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.cms.beans.config;
35
36 import info.magnolia.cms.util.SimpleUrlPattern;
37 import info.magnolia.cms.util.UrlPattern;
38 import info.magnolia.context.MgnlContext;
39 import info.magnolia.context.WebContext;
40
41 import java.util.HashMap;
42 import java.util.Iterator;
43 import java.util.List;
44 import java.util.Map;
45
46 import org.apache.commons.lang.StringUtils;
47
48
49 /**
50 * Simple VirtualURI mapping that can forward to a different url depending on the request host name. The "host" property
51 * must be a list of uri=destination strings. See below for a sample configuration:
52 *
53 * <pre>
54 * [] virtualURIMapping
55 * [] default
56 * - class info.magnolia.cms.beans.config.HostBasedVirtualURIMapping
57 * - fromURI /
58 * - toURI redirect:/.magnolia/pages/adminCentral.html
59 * [] hosts
60 * - 1 www.acme.com=forward:/acme/en/index.html
61 * - 2 www.acme.de=forward:/acme/de/index.html
62 * </pre>
63 * @author fgiust
64 * @version $Id: HostBasedVirtualURIMapping.java 36178 2010-08-03 16:34:52Z gjoseph $
65 */
66 public class HostBasedVirtualURIMapping implements VirtualURIMapping {
67
68 private String fromURI;
69
70 private UrlPattern pattern;
71
72 private String toURI;
73
74 private Map<String, String> hosts = new HashMap<String, String>();
75
76 /**
77 *
78 */
79 public HostBasedVirtualURIMapping() {
80 hosts = new HashMap<String, String>();
81 }
82
83 // required by content2bean in order to make addHost work, do not remove!
84 public List<String> getHosts() {
85 return null;
86 }
87
88 /**
89 * Adds a host mapping (used by content2bean).
90 * @param mapping in the form host=path
91 */
92 public void addHost(String mapping) {
93 String[] hostToPath = StringUtils.split(mapping, "=");
94 if (hostToPath != null && hostToPath.length == 2) {
95 synchronized (hosts) {
96 hosts.put(hostToPath[0], hostToPath[1]);
97 }
98 }
99 }
100
101 public MappingResult mapURI(String uri) {
102
103 String destination = toURI;
104
105 if (pattern != null && pattern.match(uri)) {
106
107 String requestHost = ((WebContext) MgnlContext.getInstance()).getRequest().getServerName();
108
109 if (hosts != null) {
110
111 Iterator<Map.Entry<String, String>> hostIt = hosts.entrySet().iterator();
112 while (hostIt.hasNext()) {
113
114 Map.Entry<String, String> hk = hostIt.next();
115 if (requestHost.endsWith(hk.getKey())) {
116 destination = hk.getValue();
117 break;
118 }
119 }
120 }
121
122 MappingResult r = new MappingResult();
123 r.setLevel(pattern.getLength());
124 r.setToURI(destination);
125 return r;
126 }
127 return null;
128 }
129
130 public String getFromURI() {
131 return this.fromURI;
132 }
133
134 public void setFromURI(String fromURI) {
135 this.fromURI = fromURI;
136 this.pattern = new SimpleUrlPattern(fromURI);
137 }
138
139 public String getToURI() {
140 return this.toURI;
141 }
142
143 public void setToURI(String toURI) {
144 this.toURI = toURI;
145 }
146
147 @Override
148 public String toString() {
149 return fromURI + " --> " + toURI;
150 }
151
152 }