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.ui.api.message.Message;
37 import info.magnolia.ui.contentapp.detail.ContentDetailSubApp;
38 import info.magnolia.ui.framework.databinding.ItemProviderStrategy;
39 import info.magnolia.ui.framework.datasource.DatasourceComponent;
40
41 import java.util.Optional;
42
43 /**
44 * This strategy simply returns the message from detail location.
45 */
46 public class MessageItemProviderStrategy implements ItemProviderStrategy<Message> {
47
48 private final ContentDetailSubApp.LocationContext locationContext;
49 private final MessageItemResolver messageItemResolver;
50
51 public MessageItemProviderStrategy(ContentDetailSubApp.LocationContext locationContext,
52 @DatasourceComponent MessageItemResolver messageItemResolver) {
53 this.locationContext = locationContext;
54 this.messageItemResolver = messageItemResolver;
55 }
56
57 @Override
58 public Optional<Message> read() {
59 return locationContext.location().value().flatMap(this::getCurrentMessage);
60 }
61
62 private Optional<Message> getCurrentMessage(ContentDetailSubApp.DetailLocation detailLocation) {
63 String messageId = detailLocation.getNodePath();
64 return messageItemResolver.getItemByPath(messageId);
65 }
66 }