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.module.blossom.setup; 35 36 import javax.jcr.Item; 37 import javax.jcr.RepositoryException; 38 import javax.jcr.Session; 39 40 import info.magnolia.module.InstallContext; 41 import info.magnolia.module.delta.AbstractRepositoryTask; 42 import info.magnolia.module.delta.TaskExecutionException; 43 44 /** 45 * Removes a node if it exists otherwise does nothing. Unlike {@link info.magnolia.module.delta.RemoveNodeTask} it does 46 * not issue a warning if the node to remove does not exist. 47 */ 48 public class RemoveNodeIfExistsTask extends AbstractRepositoryTask { 49 50 private final String workspaceName; 51 private final String pathToRemove; 52 53 public RemoveNodeIfExistsTask(String name, String description, String workspaceName, String pathToRemove) { 54 super(name, description); 55 this.workspaceName = workspaceName; 56 this.pathToRemove = pathToRemove; 57 } 58 59 @Override 60 protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException { 61 Session session = installContext.getJCRSession(workspaceName); 62 if (session.itemExists(pathToRemove)) { 63 Item item = session.getItem(pathToRemove); 64 if (item.isNode()) { 65 item.remove(); 66 } 67 } 68 } 69 }