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.ui.framework.availability;
35
36 import info.magnolia.jcr.util.SessionUtil;
37 import info.magnolia.objectfactory.Components;
38 import info.magnolia.repository.RepositoryConstants;
39 import info.magnolia.repository.RepositoryManager;
40 import info.magnolia.ui.api.availability.AbstractAvailabilityRule;
41 import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
42 import info.magnolia.ui.vaadin.integration.jcr.JcrPropertyItemId;
43 import info.magnolia.ui.vaadin.integration.jcr.VersionedJcrItemId;
44
45 import javax.jcr.Node;
46
47 /**
48 * Rule that checks if an item is a {@link javax.jcr.version.Version} of a {@link Node}. Versions are usually stored in
49 * a special workspace (here: {@link RepositoryConstants#VERSION_STORE}).
50 */
51 public class IsVersionRule extends AbstractAvailabilityRule {
52
53 @Override
54 protected boolean isAvailableForItem(Object itemId) {
55 if (itemId instanceof VersionedJcrItemId) {
56 return true;
57 }
58 if (itemId instanceof JcrItemId && !(itemId instanceof JcrPropertyItemId)) {
59 JcrItemId jcrItemId = (JcrItemId) itemId;
60 String repositoryId = Components.getComponent(RepositoryManager.class).getRepositoryNameForWorkspace(jcrItemId.getWorkspace());
61 if ((repositoryId + "-" + RepositoryConstants.VERSION_STORE).equals(jcrItemId.getWorkspace())) {
62 Node node = SessionUtil.getNodeByIdentifier(jcrItemId.getWorkspace(), jcrItemId.getUuid());
63 return node != null && node.isNode();
64 }
65 }
66
67 return false;
68 }
69
70 }