Java tutorial
/** * This file Copyright (c) 2013-2015 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.ui.framework.setup; import info.magnolia.jcr.util.NodeTypes; import info.magnolia.jcr.util.NodeUtil; import info.magnolia.module.InstallContext; import info.magnolia.module.delta.QueryTask; import info.magnolia.ui.form.field.definition.LinkFieldDefinition; import info.magnolia.ui.form.field.definition.MultiValueFieldDefinition; import javax.jcr.Node; import javax.jcr.RepositoryException; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Replace the 5.0 MultiLinkFieldDefinition by a MultiValueFieldDefinition. <br> */ public class ReplaceMultiLinkFieldDefinitionTask extends QueryTask { private static final Logger log = LoggerFactory.getLogger(ReplaceMultiLinkFieldDefinitionTask.class); public ReplaceMultiLinkFieldDefinitionTask(String name, String description, String repositoryName, String query) { super(name, description, repositoryName, query); } @Override protected void operateOnNode(InstallContext installContext, Node fieldNodeDefinition) { String nodePath = NodeUtil.getPathIfPossible(fieldNodeDefinition); try { if (StringUtils.contains(nodePath, "fields")) { // Create a field child node Node field = fieldNodeDefinition.addNode("field", NodeTypes.ContentNode.NAME); field.setProperty("class", LinkFieldDefinition.class.getName()); // Move IdentifierToPathConverter to the field node if (fieldNodeDefinition.hasNode("identifierToPathConverter")) { NodeUtil.moveNode(fieldNodeDefinition.getNode("identifierToPathConverter"), field); } // Move the properties to the field definition copyAndRemoveProperty(fieldNodeDefinition, field, "appName"); copyAndRemoveProperty(fieldNodeDefinition, field, "buttonSelectNewLabel"); copyAndRemoveProperty(fieldNodeDefinition, field, "buttonSelectOtherLabel"); copyAndRemoveProperty(fieldNodeDefinition, field, "fieldEditable"); copyAndRemoveProperty(fieldNodeDefinition, field, "targetWorkspace"); copyAndRemoveProperty(fieldNodeDefinition, field, "type"); // Change the class property fieldNodeDefinition.setProperty("class", MultiValueFieldDefinition.class.getName()); } else { log.debug("The following node {} is not a field definition. ", nodePath); } } catch (RepositoryException re) { log.warn("Could not Migrate 'MultiLinkFieldDefinition' of the following node {}.", nodePath); } } private void copyAndRemoveProperty(Node sourceNode, Node targetNode, String propertyName) throws RepositoryException { if (sourceNode.hasProperty(propertyName)) { targetNode.setProperty(propertyName, sourceNode.getProperty(propertyName).getString()); sourceNode.getProperty(propertyName).remove(); } } }