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.jcr.util.SessionUtil;
38 import info.magnolia.module.forum.DefaultForumManager;
39 import info.magnolia.ui.api.availability.AvailabilityRule;
40 import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
41
42 import java.util.Collection;
43
44 import javax.jcr.Node;
45 import javax.jcr.PathNotFoundException;
46 import javax.jcr.Property;
47 import javax.jcr.RepositoryException;
48
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
51
52 /**
53 * This AvailabilityRule checks whether an Item - a forum-message - can be validated.
54 */
55 public class ValidatableRule implements AvailabilityRule {
56
57 private static final Logger log = LoggerFactory.getLogger(InvalidatableRule.class);
58
59 @Override
60 public boolean isAvailable(Collection<?> itemIds) {
61 if (itemIds.size() > 0 && itemIds.iterator().hasNext() && itemIds.iterator().next() instanceof JcrItemId) {
62 JcrItemId jcrItemId = (JcrItemId) itemIds.iterator().next();
63 Node node = SessionUtil.getNodeByIdentifier(jcrItemId.getWorkspace(), jcrItemId.getUuid());
64 if (node != null) {
65 try {
66 if (NodeUtil.isNodeType(node, DefaultForumManager.MESSAGE_NODETYPE)) {
67 return allow(node.getProperty(DefaultForumManager.VALIDATED_PROPERTY));
68 }
69 } catch(PathNotFoundException paex){
70 // here the node hasn't the property "validated", so in that case in can both validated and invalidated
71 return true;
72 }catch (RepositoryException e) {
73 log.warn("Error evaluating availability for node [{}], returning false: {}", NodeUtil.getPathIfPossible(node), e.getMessage());
74 }
75 }
76 }
77 return false;
78 }
79
80
81 protected boolean allow(Property property) throws RepositoryException {
82 if (property == null) {
83 return true;
84 }
85 return "false".equals(property.getString());
86 }
87
88 }