1 /** 2 * This file Copyright (c) 2008-2012 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.rssaggregator.importhandler; 35 36 import static java.util.Arrays.asList; 37 import info.magnolia.jcr.util.PropertyUtil; 38 import info.magnolia.module.rssaggregator.importhandler.FilterPredicate.Condition; 39 import info.magnolia.module.rssaggregator.util.ContentMapper; 40 41 import javax.jcr.Node; 42 43 import org.apache.commons.lang.StringUtils; 44 45 /** 46 * Maps a content node representing a {@link FilterPredicate} to a FilterPredicate. 47 * 48 * @author Rob van der Linden Vooren 49 */ 50 public class FilterPredicateContentMapper implements ContentMapper<FilterPredicate> { 51 52 /** 53 * Map a content node representing a FilterPredicate. Will return <code>null</code> if are properties 54 * 55 * @param filterNode the content node to map to a FilterPredicate 56 * @return the FilterPredicate built from the given content node, or <code>null</code> if one of the properties 57 * (condition, property, regex) are is blank. 58 */ 59 @Override 60 public FilterPredicate map(Node filterNode) { 61 String condition = PropertyUtil.getString(filterNode,"condition"); 62 String property = PropertyUtil.getString(filterNode,"property"); 63 String regularExpression = PropertyUtil.getString(filterNode,"regex"); 64 for (String value : asList(condition, property, regularExpression)) { 65 if (StringUtils.isBlank(value)) { 66 // In this case no filters have actually been defined via the CMS, however an 'empty' filter definition 67 // entry still is present. 68 return null; 69 } 70 } 71 return new FilterPredicate(Condition.valueOf(condition), property, regularExpression); 72 } 73 74 }