View Javadoc
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.ui.contentapp;
35  
36  import info.magnolia.jcr.util.PropertyUtil;
37  import info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition;
38  
39  import java.util.Collection;
40  
41  import javax.jcr.Item;
42  import javax.jcr.Node;
43  import javax.jcr.RepositoryException;
44  
45  import org.apache.commons.lang3.StringUtils;
46  
47  /**
48   * Uses {@link JcrDatasourceDefinition#getDescribeByProperty() describeBy property} as description if such property exists.
49   * Uses {@link Item jcr item} path otherwise.
50   */
51  public class JcrItemDescriber {
52  
53      private final JcrDatasourceDefinition datasourceDefinition;
54  
55      public JcrItemDescriber(JcrDatasourceDefinition jcrDatasourceDefinition) {
56          this.datasourceDefinition = jcrDatasourceDefinition;
57      }
58  
59      public String describe(Collection<Item> selectedItems) {
60          return selectedItems.size() == 1 ?
61                  getJcrItemDescription(selectedItems.iterator().next()) :
62                  selectedItems.size() + " items selected";
63      }
64  
65      private String getJcrItemDescription(Item item) {
66          try {
67              if (item.isNode() && StringUtils.isNotBlank(datasourceDefinition.getDescribeByProperty())) {
68                  return PropertyUtil.getString((Node) item, datasourceDefinition.getDescribeByProperty(), item.getPath());
69              }
70              return item.getPath();
71          } catch (RepositoryException e) {
72              return "Failed to resolve JCR node path";
73          }
74      }
75  }