1 /**
2 * This file Copyright (c) 2010-2015 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.ui.dialog.registry;
35
36 import info.magnolia.registry.RegistrationException;
37 import info.magnolia.registry.RegistryMap;
38 import info.magnolia.ui.dialog.definition.FormDialogDefinition;
39 import info.magnolia.ui.dialog.formdialog.FormDialogPresenter;
40
41 import javax.inject.Singleton;
42 import java.util.List;
43 import java.util.Set;
44
45 /**
46 * Maintains a registry of dialog providers registered by id.
47 */
48 @Singleton
49 public class DialogDefinitionRegistry {
50
51 private final RegistryMap<String, DialogDefinitionProvider> registry = new RegistryMap<String, DialogDefinitionProvider>() {
52
53 @Override
54 protected String keyFromValue(DialogDefinitionProvider value) {
55 return value.getId();
56 }
57 };
58
59 public FormDialogDefinition getDialogDefinition(String id) throws RegistrationException {
60 return getProvider(id).getDialogDefinition();
61 }
62
63 public Class<? extends FormDialogPresenter> getPresenterClass(String id) throws RegistrationException {
64 return getProvider(id).getPresenterClass();
65 }
66
67 private DialogDefinitionProvider getProvider(String id) throws RegistrationException {
68 try {
69 return registry.getRequired(id);
70 } catch (RegistrationException e) {
71 throw new RegistrationException("No dialog definition registered for id: " + id, e);
72 }
73 }
74
75 public void register(DialogDefinitionProvider provider) {
76 registry.put(provider);
77 }
78
79 public Set<String> unregisterAndRegister(Set<String> registeredIds, List<DialogDefinitionProvider> providers) {
80 return registry.removeAndPutAll(registeredIds, providers);
81 }
82 }