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1   /**
2    * This file Copyright (c) 2019 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.resources.app.data;
35  
36  import info.magnolia.resourceloader.Resource;
37  import info.magnolia.resourceloader.ResourceOrigin;
38  import info.magnolia.ui.datasource.ItemResolver;
39  
40  import java.util.Optional;
41  
42  import javax.inject.Inject;
43  
44  import org.apache.commons.lang3.StringUtils;
45  
46  /**
47   * ItemResolver which is in flavor of new content app framework.
48   */
49  public class ResourceItemResolver implements ItemResolver<Resource> {
50  
51      private final ResourceOrigin resourceOrigin;
52  
53      @Inject
54      public ResourceItemResolver(ResourceOrigin resourceOrigin) {
55          this.resourceOrigin = resourceOrigin;
56      }
57  
58  
59      @Override
60      public String getId(Resource item) {
61          return item.getPath();
62      }
63  
64      @Override
65      public Optional<Resource> getItemById(String path) {
66          return StringUtils.isEmpty(path) ? Optional.empty() : Optional.of(resourceOrigin.getByPath(path));
67      }
68  }