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1   /**
2    * This file Copyright (c) 2009-2018 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.jcr.util.NodeUtil;
37  import info.magnolia.module.InstallContext;
38  import info.magnolia.repository.RepositoryConstants;
39  
40  import javax.jcr.Node;
41  import javax.jcr.RepositoryException;
42  import javax.jcr.Session;
43  
44  /**
45   * Copies a node by performing a in session copy operation.
46   */
47  public class CopyNodeTask extends AbstractRepositoryTask {
48      private final String workspaceName;
49      private final String src;
50      private final String dest;
51      private final boolean overwrite;
52  
53      public CopyNodeTask(String name, String src, String dest, boolean overwrite) {
54          this(name, String.format("Copy node '%s:%s' to '%s:%s'. " + (overwrite ? "Overwrite" : "Do not overwrite") + " if node already exists",
55                  RepositoryConstants.CONFIG, src, RepositoryConstants.CONFIG, dest),
56                  RepositoryConstants.CONFIG, src, dest, overwrite);
57      }
58  
59      public CopyNodeTask(String name, String description, String workspaceName, String src, String dest, boolean overwrite) {
60          super(name, description);
61          this.workspaceName = workspaceName;
62          this.src = src;
63          this.dest = dest;
64          this.overwrite = overwrite;
65      }
66  
67      @Override
68      protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException {
69          Session session = installContext.getJCRSession(workspaceName);
70          if (session.nodeExists(dest)) {
71              if (overwrite) {
72                  session.getNode(dest).remove();
73              } else {
74                  installContext.error("Can't copy " + src + " to " + dest + " because the target node already exists.", null);
75                  return;
76              }
77          }
78          Node srcNode = session.getNode(src);
79  
80          try {
81              NodeUtil.copyInSession(srcNode, dest);
82          } catch (RepositoryException e) {
83              installContext.error("Can't copy " + src + " to " + dest, e);
84          }
85      }
86  
87  }