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.workflow.setup.for3_5;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.HierarchyManager;
38 import info.magnolia.cms.util.ContentUtil;
39 import info.magnolia.module.InstallContext;
40 import info.magnolia.module.delta.AbstractRepositoryTask;
41 import info.magnolia.module.delta.TaskExecutionException;
42
43 import javax.jcr.RepositoryException;
44
45 /**
46 * TODO : depending on how we handle the gui, this might be a non-mandatory step.
47 *
48 * @author gjoseph
49 * @version $Revision: $ ($Author: $)
50 */
51 public class RemoveMetadataFromExpressionsWorkspace extends AbstractRepositoryTask {
52 private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RemoveMetadataFromExpressionsWorkspace.class);
53
54 public RemoveMetadataFromExpressionsWorkspace() {
55 super("Nodetypes changed", "Removes the metadata nodes from the Expressions workspace");
56 }
57
58 protected void doExecute(InstallContext ctx) throws RepositoryException, TaskExecutionException {
59 final HierarchyManager hm = ctx.getHierarchyManager("Expressions");
60 final Content root = hm.getRoot();
61 final MetadataRemover metadataRemover = new MetadataRemover(ctx);
62 try {
63 ContentUtil.visit(root, metadataRemover, ContentUtil.EXCLUDE_META_DATA_CONTENT_FILTER);
64 } catch (Exception e) {
65 // TODO : visit() should not throw Exception ...
66 throw new TaskExecutionException("Cant' removed MetaData from the Expression workspace: " + e.getMessage(), e);
67 }
68 }
69
70 private final static class MetadataRemover implements ContentUtil.Visitor {
71 public MetadataRemover(InstallContext ctx) {
72 this.ctx = ctx;
73 }
74
75 private final InstallContext ctx;
76
77 public void visit(Content node) throws Exception {
78 final Content metadata = node.getChildByName("MetaData");
79 if (metadata != null) {
80 log.debug("Will remove MetaData at " + metadata.getHandle());
81 metadata.delete();
82 }
83 }
84 }
85 }