View Javadoc
1   /**
2    * This file Copyright (c) 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.dam.external.app.contentview.thumbnail;
35  
36  import java.util.ArrayList;
37  import java.util.Iterator;
38  import java.util.List;
39  
40  import javax.inject.Inject;
41  
42  import org.slf4j.Logger;
43  import org.slf4j.LoggerFactory;
44  
45  import info.magnolia.dam.api.AssetProvider;
46  import info.magnolia.dam.api.AssetProviderCapability;
47  import info.magnolia.dam.api.AssetQuery;
48  import info.magnolia.dam.api.ItemKey;
49  import info.magnolia.dam.external.app.contentconnector.AssetContentConnector;
50  import info.magnolia.ui.workbench.thumbnail.ThumbnailContainer;
51  
52  /**
53   * {@link ThumbnailContainer.IdProvider} which queries item ids through {@link AssetProvider} interface.
54   */
55  public class AssetThumbnailItemIdProvider implements ThumbnailContainer.IdProvider {
56  
57      private Logger log = LoggerFactory.getLogger(getClass());
58  
59      private AssetProvider assetProvider;
60  
61      @Inject
62      public AssetThumbnailItemIdProvider(AssetContentConnector assetContentConnector) {
63          this.assetProvider = assetContentConnector.getAssetProvider();
64      }
65  
66      @Override
67      public List<?> getItemIds() {
68          List<ItemKey> itemKeys = new ArrayList<ItemKey>();
69          if (assetProvider.supports(AssetProviderCapability.query)) {
70              AssetQuery query = new AssetQuery.Builder().build();
71              Iterator<info.magnolia.dam.api.Item> queryResult = assetProvider.list(query);
72              while (queryResult.hasNext()) {
73                  itemKeys.add(queryResult.next().getItemKey());
74              }
75          } else {
76              log.warn("AssetThumbnailItemIdProvider needs asset provider with query capability");
77          }
78          return itemKeys;
79      }
80  
81  }