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1   /**
2    * This file Copyright (c) 2018 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.admincentral.apps.messages;
35  
36  import info.magnolia.i18nsystem.SimpleTranslator;
37  import info.magnolia.ui.contentapp.browser.preview.NoOpPreviewProvider;
38  import info.magnolia.ui.contentapp.browser.preview.PreviewProvider;
39  import info.magnolia.ui.framework.datasource.DatasourceBundle;
40  import info.magnolia.ui.framework.message.MessagesManager;
41  
42  import java.util.HashMap;
43  import java.util.Map;
44  
45  import javax.inject.Inject;
46  import javax.inject.Singleton;
47  
48  /**
49   * Data source bundle in flavor of new content ui framework.
50   */
51  @Singleton
52  public class MessageDataSourceBundle extends DatasourceBundle<MessageDataSourceDefinition> {
53  
54      //make this implicitly singleton
55      private Map<MessageDataSourceDefinition, MessageDataProvider> messageDataProviders = new HashMap<>();
56  
57      @Inject
58      public MessageDataSourceBundle(MessagesManager messagesManager, SimpleTranslator i18n) {
59          super(MessageDataSourceDefinition.class);
60  
61          register(MessagePropertySetFactory.class, def -> new MessagePropertySetFactory());
62          register(MessageDataProvider.class, def -> getMessageDataProvider(messagesManager, def));
63          register(MessageItemDescriber.class, def -> new MessageItemDescriber(def, getMessageDataProvider(messagesManager, def), i18n));
64          register(MessageItemResolver.class, def -> new MessageItemResolver(messageDataProviders.get(def)));
65          register(PreviewProvider.class, def -> new NoOpPreviewProvider());
66      }
67  
68      protected MessageDataProvider getMessageDataProvider(MessagesManager messagesManager, MessageDataSourceDefinition definition) {
69          MessageDataProvider currentMsgDataProvider = messageDataProviders.get(definition);
70          if (currentMsgDataProvider == null) {
71              final MessageDataProvider messageDataProvider = new MessageDataProvider(messagesManager, definition);
72              messageDataProviders.put(definition, messageDataProvider);
73              currentMsgDataProvider = messageDataProvider;
74          }
75          return currentMsgDataProvider;
76      }
77  
78  }