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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.forum.app.availability;
35  
36  import info.magnolia.jcr.util.NodeUtil;
37  import info.magnolia.module.forum.DefaultForumManager;
38  import info.magnolia.ui.api.availability.AbstractAvailabilityRule;
39  import org.slf4j.Logger;
40  import org.slf4j.LoggerFactory;
41  
42  import javax.jcr.Item;
43  import javax.jcr.Node;
44  import javax.jcr.Property;
45  import javax.jcr.RepositoryException;
46  
47  /**
48   * This AvailabilityRule  checks whether an Item - a forum-message -  can be  validated.
49   */
50  public class ValidatableRule extends AbstractAvailabilityRule {
51  
52      private static final Logger log = LoggerFactory.getLogger(InvalidatableRule.class);
53  
54      @Override
55      protected boolean isAvailableForItem(Item item) {
56  
57          if (item != null && item.isNode()) {
58              Node node = (Node) item;
59              try {
60                  if (NodeUtil.isNodeType(node, DefaultForumManager.MESSAGE_NODETYPE)) {
61  
62                      Property property = null;
63                      try {
64                          property = node.getProperty(DefaultForumManager.VALIDATED_PROPERTY);
65                      } catch (RepositoryException e) {
66                          // no reason to treat this exception here
67                      }
68  
69                      return allow(property);
70                  }
71              } catch (RepositoryException e) {
72                  log.warn("Error evaluating availability for node [{}], returning false: {}", NodeUtil.getPathIfPossible(node), e.getMessage());
73              }
74          }
75          return false;
76      }
77  
78  
79      protected boolean allow(Property property) throws RepositoryException {
80          if (property == null) {
81              return true;
82          }
83          return "false".equals(property.getString());
84      }
85  
86  
87  }