1 /**
2 * This file Copyright (c) 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.jcr.registry;
35
36 import info.magnolia.registry.RegistrationException;
37
38 import java.util.ArrayList;
39 import java.util.Collections;
40 import java.util.HashMap;
41 import java.util.List;
42 import java.util.Map;
43
44 import javax.inject.Singleton;
45
46 /**
47 * Central registry of all SessionsProviders.
48 *
49 * @version $Id$
50 */
51 @Singleton
52 public class SessionProviderRegistry {
53 private final Map<String, SessionProvider> providers = new HashMap<String, SessionProvider>();
54
55 protected Map<String, SessionProvider> getProviders() {
56 return providers;
57 }
58
59 public void register(SessionProvider provider) {
60 synchronized (providers) {
61 providers.put(provider.getLogicalWorkspaceName(), provider);
62 }
63 }
64
65 public void unregister(String id) {
66 synchronized (providers) {
67 providers.remove(id);
68 }
69 }
70
71 public SessionProvider get(String id) throws RegistrationException {
72
73 SessionProvider provider;
74 synchronized (providers) {
75 provider = providers.get(id);
76 if (provider == null) {
77 // TODO dlipp: weird - why do some action when throwning an Exception anyway?
78 List<String> types = new ArrayList<String>(providers.keySet());
79 Collections.sort(types);
80 throw new RegistrationException("Can't find a registration for logical workspaceName [" + id + "]. Registered workspaces are " + types);
81 }
82 }
83 return provider;
84 }
85
86 }