Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * Copyright (C) 2002-2015 Jahia Solutions Group SA. All rights reserved. * * THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES: * 1/GPL OR 2/JSEL * * 1/ GPL * ====================================================================================== * * IF YOU DECIDE TO CHOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * "This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * As a special exception to the terms and conditions of version 2.0 of * the GPL (or any later version), you may redistribute this Program in connection * with Free/Libre and Open Source Software ("FLOSS") applications as described * in Jahia's FLOSS exception. You should have received a copy of the text * describing the FLOSS exception, also available here: * http://www.jahia.com/license" * * 2/ JSEL - Commercial and Supported Versions of the program * ====================================================================================== * * IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * Alternatively, commercial and supported versions of the program - also known as * Enterprise Distributions - must be used in accordance with the terms and conditions * contained in a separate written agreement between you and Jahia Solutions Group SA. * * If you are unsure which license is appropriate for your use, * please contact the sales department at sales@jahia.com. * * * ========================================================================================== * = ABOUT JAHIA = * ========================================================================================== * * Rooted in Open Source CMS, Jahias Digital Industrialization paradigm is about * streamlining Enterprise digital projects across channels to truly control * time-to-market and TCO, project after project. * Putting an end to the Tunnel effect?, the Jahia Studio enables IT and * marketing teams to collaboratively and iteratively build cutting-edge * online business solutions. * These, in turn, are securely and easily deployed as modules and apps, * reusable across any digital projects, thanks to the Jahia Private App Store Software. * Each solution provided by Jahia stems from this overarching vision: * Digital Factory, Workspace Factory, Portal Factory and eCommerce Factory. * Founded in 2002 and headquartered in Geneva, Switzerland, * Jahia Solutions Group has its North American headquarters in Washington DC, * with offices in Chicago, Toronto and throughout Europe. * Jahia counts hundreds of global brands and governmental organizations * among its loyal customers, in more than 20 countries across the globe. * * For more information, please visit http://www.jahia.com */ package org.jahia.dm; import javax.jcr.ItemNotFoundException; import javax.jcr.RepositoryException; import org.apache.commons.lang.StringUtils; import org.jahia.api.Constants; import org.jahia.services.content.JCRCallback; import org.jahia.services.content.JCRNodeWrapper; import org.jahia.services.content.JCRSessionWrapper; import org.jahia.services.content.JCRTemplate; import org.jahia.services.scheduler.BackgroundJob; import org.quartz.JobDataMap; import org.quartz.JobExecutionContext; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Abstract background task for document operations. * * @author Sergiy Shyrkov */ public abstract class DocumentOperationJob extends BackgroundJob { public static final String JOB_UUID = "uuid"; public static final String JOB_WORKSPACE = "workspace"; private static final Logger logger = LoggerFactory.getLogger(DocumentOperationJob.class); /** * Does the execution of the operation on the provided document node * * @param documentNode * the document node to execute the operation on * @param jobExecutionContext * the background job data * @throws Exception * in case of a rule error */ protected abstract void doOperation(JCRNodeWrapper documentNode, JobExecutionContext jobExecutionContext) throws Exception; @Override public void executeJahiaJob(final JobExecutionContext jobExecutionContext) throws Exception { JobDataMap data = jobExecutionContext.getJobDetail().getJobDataMap(); final String uuid = (String) data.get(JOB_UUID); final String workspace = StringUtils.defaultIfEmpty((String) data.get(JOB_WORKSPACE), Constants.EDIT_WORKSPACE); JCRTemplate.getInstance().doExecuteWithSystemSession(null, workspace, new JCRCallback<Boolean>() { public Boolean doInJCR(JCRSessionWrapper session) throws RepositoryException { JCRNodeWrapper node = null; try { node = session.getNodeByIdentifier(uuid); doOperation(node, jobExecutionContext); } catch (ItemNotFoundException e) { logger.warn( "Unable to find node with ID {} in {} workspace. Skip executing a document operation.", uuid, workspace); } catch (Exception e) { logger.error("Error executing operation on the document node " + (node != null ? node.getPath() : uuid), e); } return Boolean.TRUE; } }); } }