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 import info.magnolia.jcr.util.VersionUtil; 38 39 import javax.jcr.Node; 40 import javax.jcr.RepositoryException; 41 42 import org.slf4j.Logger; 43 import org.slf4j.LoggerFactory; 44 45 /** 46 * A {@link ContentFilter} using a {@link Rule}. 47 * @version $Revision: 41135 $ ($Author: gjoseph $) 48 */ 49 public class RuleBasedNodePredicate extends AbstractPredicate<Node> { 50 51 private static Logger log = LoggerFactory.getLogger(RuleBasedNodePredicate.class); 52 53 /** 54 * Rule on which this filter works. 55 */ 56 private final Rule rule; 57 58 public RuleBasedNodePredicate(Rule rule) { 59 this.rule = rule; 60 } 61 62 @Override 63 public boolean evaluateTyped(Node content) { 64 String nodeType = ""; 65 try { 66 nodeType = VersionUtil.getNodeTypeName(content); 67 } 68 catch (RepositoryException re) { 69 if (log.isDebugEnabled()) { 70 log.debug("failed to retrieve node type : " + re.getMessage(), re); 71 } 72 } 73 return this.rule.isAllowed(nodeType); 74 } 75 76 }