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1   /**
2    * This file Copyright (c) 2010 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.admininterface.templates;
35  
36  import java.util.Collection;
37  import java.util.Iterator;
38  import javax.jcr.RepositoryException;
39  import javax.jcr.UnsupportedRepositoryOperationException;
40  import javax.jcr.version.Version;
41  import org.slf4j.Logger;
42  import org.slf4j.LoggerFactory;
43  
44  import info.magnolia.cms.core.Content;
45  import info.magnolia.cms.core.ItemType;
46  import info.magnolia.cms.core.version.ContentVersion;
47  import info.magnolia.cms.security.AccessDeniedException;
48  import info.magnolia.cms.util.ContentWrapper;
49  import info.magnolia.module.admininterface.VersionUtil;
50  import info.magnolia.module.templating.RenderableDefinition;
51  import info.magnolia.module.templating.RenderingModel;
52  import info.magnolia.module.templating.RenderingModelImpl;
53  
54  public class MgnlDeletedTemplateModel extends RenderingModelImpl<RenderableDefinition> {
55  
56      private static final Logger log = LoggerFactory.getLogger(MgnlDeletedTemplateModel.class);
57  
58      public MgnlDeletedTemplateModel(Content content, RenderableDefinition definition, RenderingModel parent) {
59          super(content, definition, parent);
60      }
61  
62      public String getLastVersion() {
63          Collection<Version> allVersions = null;
64  
65          Iterator<Version> iterator = null;
66          Content maybeVersion = getContent();
67          Content content = getContent();
68          try {
69              try {
70                  allVersions = VersionUtil.getSortedNotDeletedVersions(content);
71              } catch (AccessDeniedException e) {
72                  // Either change the ContentVersion API to delegate call to getAllVersions() to the underlying real node or do this. There is no save way of finding the node is a version since it can be wrapped by multiple different wrappers
73                  while (maybeVersion != null && maybeVersion instanceof ContentWrapper) {
74                      maybeVersion = ((ContentWrapper) maybeVersion).getWrappedContent();
75                  }
76                  if (maybeVersion instanceof ContentVersion) {
77                      String versionName = ((ContentVersion) maybeVersion).getVersionLabel();
78                      content = maybeVersion.getHierarchyManager().getContent(maybeVersion.getHandle());
79                      allVersions = VersionUtil.getSortedNotDeletedVersionsBefore(content, versionName);
80                  }
81              }
82  
83              if (allVersions == null || allVersions.isEmpty()) {
84                  return null;
85              }
86              return allVersions.iterator().next().getName();
87          } catch (UnsupportedRepositoryOperationException e) {
88              // if this node doesn't support versioning it can't be undeleted ... nor can we display previous version of the content
89              log.error("Failed to retrieve version history for " + getContent().getHandle() + ". This node doesn't support versioning", e);
90          } catch (RepositoryException e) {
91              log.error("Failed to retrieve version history for " + getContent().getHandle() + "", e);
92          }
93          return null;
94      }
95  
96      public boolean hasChildren() {
97          return getContent().hasChildren(ItemType.CONTENT.getSystemName());
98      }
99  
100     public String getDeletionAuthor() {
101         return getContent().getNodeData("mgnl:deletedBy").getString();
102     }
103 
104     public String getDeletionDate() {
105         return getContent().getNodeData("mgnl:deletedOn").getString();
106     }
107 }