1 /**
2 * This file Copyright (c) 2003-2010 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.delta;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.HierarchyManager;
38 import info.magnolia.module.InstallContext;
39
40 import javax.jcr.RepositoryException;
41
42
43 /**
44 * If the specified property (NodeData) has the expected value, then it will be replaced by the new value.
45 *
46 * @author gjoseph
47 * @version $Revision: $ ($Author: $)
48 */
49 public class CheckAndModifyPropertyValueTask extends PropertyValuesTask {
50 private final String workspaceName;
51 private final String nodePath;
52 private final String propertyName;
53 private final String expectedCurrentValue;
54 private final String newValue;
55
56 public CheckAndModifyPropertyValueTask(String name, String description, String workspaceName, String nodePath, String propertyName, String expectedCurrentValue, String newValue) {
57 super(name, description);
58 this.workspaceName = workspaceName;
59 this.nodePath = nodePath;
60 this.propertyName = propertyName;
61 this.expectedCurrentValue = expectedCurrentValue;
62 this.newValue = newValue;
63 }
64
65 public void execute(InstallContext ctx) {
66 final HierarchyManager hm = ctx.getHierarchyManager(workspaceName);
67 try {
68 final Content node = hm.getContent(nodePath);
69 checkAndModifyPropertyValue(ctx, node, propertyName, expectedCurrentValue, newValue);
70 } catch (RepositoryException e) {
71 ctx.error(format("Could not check property {0} of node at {1}. Please create it with value {2}.", propertyName, nodePath, newValue), e);
72 }
73 }
74 }