1 /**
2 * This file Copyright (c) 2003-2014 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.UrlPattern;
37 import info.magnolia.context.MgnlContext;
38 import info.magnolia.context.WebContext;
39
40 import java.util.HashMap;
41 import java.util.Iterator;
42 import java.util.List;
43 import java.util.Map;
44
45 import org.apache.commons.lang.StringUtils;
46
47 /**
48 * Simple VirtualURI mapping that can forward to a different url depending on the request host name. The "host" property
49 * must be a list of uri=destination strings. See below for a sample configuration:
50 *
51 * <pre>
52 * [] virtualURIMapping
53 * [] default
54 * - class info.magnolia.cms.beans.config.HostBasedVirtualURIMapping
55 * - fromURI /
56 * - toURI redirect:/.magnolia/pages/adminCentral.html
57 * [] hosts
58 * - 1 www.acme.com=forward:/acme/en/index.html
59 * - 2 www.acme.de=forward:/acme/de/index.html
60 * </pre>
61 */
62 public class HostBasedVirtualURIMapping extends DefaultVirtualURIMapping {
63
64 private UrlPattern pattern;
65
66 protected Map<String, String> hosts = new HashMap<String, String>();
67
68 /**
69 *
70 */
71 public HostBasedVirtualURIMapping() {
72 hosts = new HashMap<String, String>();
73 }
74
75 // required by content2bean in order to make addHost work, do not remove!
76 public List<String> getHosts() {
77 return null;
78 }
79
80 public void setHosts(List<String> hosts) {
81 String[] hostToPath = null;
82 for (String host : hosts) {
83 hostToPath = StringUtils.split(host, "=");
84 if (hostToPath != null && hostToPath.length == 2) {
85 this.hosts.put(hostToPath[0], hostToPath[1]);
86 }
87 }
88 }
89
90 /**
91 * Adds a host mapping (used by content2bean).
92 *
93 * @param mapping in the form host=path
94 */
95 public void addHost(String mapping) {
96 String[] hostToPath = StringUtils.split(mapping, "=");
97 if (hostToPath != null && hostToPath.length == 2) {
98 synchronized (hosts) {
99 hosts.put(hostToPath[0], hostToPath[1]);
100 }
101 }
102 }
103
104 @Override
105 public MappingResult mapURI(String uri) {
106
107 String destination = toURI;
108
109 if (pattern != null && pattern.match(uri)) {
110 String hostMapping = this.tryToMapHost();
111 if (hostMapping != null) {
112 destination = hostMapping;
113 }
114
115 MappingResult r = new MappingResult();
116 r.setLevel(pattern.getLength());
117 r.setToURI(destination);
118 return r;
119 }
120 return null;
121 }
122
123 protected String tryToMapHost() {
124 if (hosts != null && !hosts.isEmpty()) {
125 String requestHost = ((WebContext) MgnlContext.getInstance()).getRequest().getServerName();
126 Iterator<Map.Entry<String, String>> hostIt = hosts.entrySet().iterator();
127
128 while (hostIt.hasNext()) {
129
130 Map.Entry<String, String> hk = hostIt.next();
131 if (requestHost.endsWith(hk.getKey())) {
132 return hk.getValue();
133 }
134 }
135 }
136 return null;
137 }
138
139 @Override
140 public String toString() {
141 return "[" + super.toString() + "[hosts:" + hosts + "]]";
142 }
143
144 }