1 /** 2 * This file Copyright (c) 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.nodebuilder; 35 36 import info.magnolia.cms.core.Content; 37 38 import javax.jcr.RepositoryException; 39 40 /** 41 * Abstract implementation of NodeOperation. Mainly implementing {@link #then(NodeOperation...)}. 42 */ 43 public abstract class AbstractNodeOperation implements NodeOperation { 44 private NodeOperation[] childrenOps = {}; 45 46 public void exec(Content context, ErrorHandler errorHandler) { 47 try { 48 context = doExec(context, errorHandler); 49 } catch (RepositoryException e) { 50 errorHandler.handle(e, context); 51 } 52 53 for (NodeOperation childrenOp : childrenOps) { 54 childrenOp.exec(context, errorHandler); 55 } 56 57 } 58 59 /** 60 * @return the node that should now be used as the context for subsequent operations 61 */ 62 protected abstract Content doExec(Content context, ErrorHandler errorHandler) throws RepositoryException; 63 64 public NodeOperation then(NodeOperation... childrenOps) { 65 this.childrenOps = childrenOps; 66 return this; 67 } 68 }