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1   /**
2    * This file Copyright (c) 2013 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.module.delta;
35  
36  import info.magnolia.cms.util.QueryUtil;
37  import info.magnolia.jcr.util.PropertyUtil;
38  import info.magnolia.module.InstallContext;
39  
40  import javax.jcr.Node;
41  import javax.jcr.NodeIterator;
42  import javax.jcr.RepositoryException;
43  import javax.jcr.query.Query;
44  
45  /**
46   * Renames all properties having a certain name to the provided new name.
47   *
48   */
49  public class RenamePropertiesTask extends AbstractRepositoryTask {
50      private final String workspace;
51      private final String path;
52      private final String oldName;
53      private final String newName;
54  
55      public RenamePropertiesTask(String name, String description, String workspace, String path, String oldName, String newName) {
56          super(name, description);
57          this.workspace = workspace;
58          this.path = path;
59          this.oldName = oldName;
60          this.newName = newName;
61      }
62  
63      @Override
64      public void doExecute(InstallContext installContext) throws RepositoryException {
65          final String queryString = "SELECT * FROM [nt:base] AS t WHERE (ISSAMENODE(t, '" + path + "') OR ISDESCENDANTNODE(t, '" + path + "')) AND t." + oldName + " is not null";
66          NodeIterator iterator = QueryUtil.search(workspace, queryString, Query.JCR_SQL2);
67          while (iterator.hasNext()) {
68              Node node = iterator.nextNode();
69              PropertyUtil.renameProperty(node.getProperty(oldName), newName);
70          }
71      }
72  }