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.cms.util;
35
36 import info.magnolia.cms.core.Content;
37
38 import javax.jcr.RepositoryException;
39
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
42
43
44 /**
45 * @author Sameer Charles
46 * @version $Revision: 32667 $ ($Author: gjoseph $)
47 */
48 public class RuleBasedContentFilter implements Content.ContentFilter {
49
50 /**
51 * Logger
52 */
53 private static Logger log = LoggerFactory.getLogger(RuleBasedContentFilter.class);
54
55 /**
56 * Rule on which this filter works
57 */
58 private Rule rule;
59
60 /**
61 * @param rule
62 */
63 public RuleBasedContentFilter(Rule rule) {
64 this.rule = rule;
65 }
66
67 /**
68 * Test if this content should be included in a resultant collection
69 * @param content
70 * @return if true this will be a part of collection
71 */
72 public boolean accept(Content content) {
73 String nodeType = "";
74 try {
75 nodeType = content.getNodeTypeName();
76 }
77 catch (RepositoryException re) {
78 if (log.isDebugEnabled()) {
79 log.debug("failed to retrieve node type : " + re.getMessage(), re);
80 }
81 }
82 return this.rule.isAllowed(nodeType);
83 }
84
85 }