1 /** 2 * This file Copyright (c) 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.jcr.decoration; 35 36 import javax.jcr.Node; 37 38 import info.magnolia.jcr.wrapper.DelegateNodeWrapper; 39 40 /** 41 * Utility class for {@link ContentDecorator}. 42 * 43 * @version $Id$ 44 */ 45 public class ContentDecoratorUtil { 46 47 /** 48 * Determines if the passed node is wrapped by a ContentDecorator that is assignment compatible with the passed 49 * class. That is, it returns true if there is a wrapper on the node that is an instance of the class or one of its 50 * subclasses. 51 * 52 * @param node node to is potentially wrapped 53 * @param clazz type of the decorator 54 * @return whether the node is wrapped by the class 55 */ 56 public static boolean isDecoratedWith(Node node, Class<? extends ContentDecorator> clazz) { 57 58 while (node instanceof DelegateNodeWrapper) { 59 if (node instanceof ContentDecoratorNodeWrapper) { 60 ContentDecorator contentDecorator = ((ContentDecoratorNodeWrapper) node).getContentDecorator(); 61 if (clazz.isInstance(contentDecorator)) { 62 return true; 63 } 64 } 65 node = ((DelegateNodeWrapper) node).getWrappedNode(); 66 } 67 68 return false; 69 } 70 }