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1   /**
2    * This file Copyright (c) 2014-2018 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.module.delta;
35  
36  import info.magnolia.module.InstallContext;
37  
38  import javax.jcr.Property;
39  import javax.jcr.RepositoryException;
40  import javax.jcr.Session;
41  
42  import org.apache.commons.lang3.StringUtils;
43  
44  /**
45   * Moves a property.
46   */
47  public class MovePropertyTask extends AbstractRepositoryTask {
48  
49      private final String workspaceName;
50      private final String srcProperty;
51      private final String destProperty;
52      private final boolean overwrite;
53  
54      public MovePropertyTask(String name, String workspaceName, String srcProperty, String destProperty, boolean overwrite) {
55          this(name, String.format("Move property '%s:%s' to '%s:%s'.", workspaceName, srcProperty, workspaceName, destProperty),
56                  workspaceName, srcProperty, destProperty, overwrite);
57      }
58  
59      public MovePropertyTask(String name, String description, String workspaceName, String srcProperty, String destProperty, boolean overwrite) {
60          super(name, description);
61          this.workspaceName = workspaceName;
62          this.srcProperty = srcProperty;
63          this.destProperty = StringUtils.removeEnd(destProperty, "/");
64          this.overwrite = overwrite;
65      }
66  
67      @Override
68      protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException {
69  
70          Session session = installContext.getJCRSession(workspaceName);
71  
72          if (session.propertyExists(destProperty)) {
73              if (overwrite) {
74                  session.getProperty(destProperty).remove();
75              } else {
76                  installContext.error("Can't move property '" + srcProperty + "' to '" + destProperty + "' because this property already exists.", null);
77                  return;
78              }
79          }
80  
81          Property property = session.getProperty(srcProperty);
82  
83          try {
84              session.getNode(StringUtils.substringBeforeLast(destProperty, "/")).setProperty(StringUtils.substringAfterLast(destProperty, "/"), property.getValue());
85              property.remove();
86          } catch (RepositoryException e) {
87              installContext.error("Can't copy property " + property + " to " + destProperty, e);
88          }
89      }
90  
91  }