1 /**
2 * This file Copyright (c) 2003-2011 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.jcr.predicate;
35
36 import info.magnolia.cms.util.Rule;
37
38 import javax.jcr.Node;
39 import javax.jcr.RepositoryException;
40
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43
44 /**
45 * A {@link ContentFilter} using a {@link Rule}.
46 * @version $Revision: 41135 $ ($Author: gjoseph $)
47 */
48 public class RuleBasedNodePredicate extends AbstractPredicate<Node> {
49
50 private static Logger log = LoggerFactory.getLogger(RuleBasedNodePredicate.class);
51
52 /**
53 * Rule on which this filter works.
54 */
55 private final Rule rule;
56
57 public RuleBasedNodePredicate(Rule rule) {
58 this.rule = rule;
59 }
60
61 @Override
62 public boolean evaluateTyped(Node content) {
63 try {
64 return this.rule.isAllowed(content);
65 }
66 catch (RepositoryException re) {
67 log.error("Failed to retrieve node type : " + re.getMessage(), re);
68 }
69 return false;
70 }
71
72 }