Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * http://www.jahia.com * * Copyright (C) 2002-2017 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 CHOOSE 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 3 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, see <http://www.gnu.org/licenses/>. * * * 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. */ package org.jahia.services.workflow.jbpm; import org.apache.commons.lang.StringUtils; import org.apache.tika.io.IOUtils; import org.jahia.bin.listeners.JahiaContextLoaderListener; import org.jahia.services.workflow.jbpm.custom.email.AddressTemplate; import org.jahia.services.workflow.jbpm.custom.email.MailTemplate; import org.jahia.services.workflow.jbpm.custom.email.MailTemplateRegistry; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.DisposableBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.core.io.Resource; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.List; /** * Loader that initializes workflow processes defined in modules */ public class JBPMModuleProcessLoader implements InitializingBean, DisposableBean { private static final List<String> FIELDS = Arrays.asList("from", "to", "cc", "bcc", "from-users", "to-users", "cc-users", "bcc-users", "from-groups", "to-groups", "cc-groups", "bcc-groups", "subject", "text", "html", "language"); private transient static Logger logger = LoggerFactory.getLogger(JBPMModuleProcessLoader.class); private Resource[] processes; private Resource[] mailTemplates; private MailTemplateRegistry mailTemplateRegistry; private JBPM6WorkflowProvider jbpm6WorkflowProvider; public void setJbpm6WorkflowProvider(JBPM6WorkflowProvider jbpm6WorkflowProvider) { this.jbpm6WorkflowProvider = jbpm6WorkflowProvider; } public void setMailTemplateRegistry(MailTemplateRegistry mailTemplateRegistry) { this.mailTemplateRegistry = mailTemplateRegistry; } @Override public void afterPropertiesSet() throws Exception { deployDeclaredProcesses(); } @Override public void destroy() throws Exception { undeployDeclaredProcesses(); } private void deployDeclaredProcesses() throws IOException { // URL kmoduleURL = module.getBundle().getEntry("META-INF/kmodule.xml"); if (processes != null && processes.length > 0) { logger.info("Found {} workflow processes to be deployed.", processes.length); for (Resource process : processes) { String fileName = process.getFilename(); logger.info("Found workflow process " + fileName + ". Updating..."); jbpm6WorkflowProvider.addResource(process); logger.info("... done"); } logger.info("...workflow processes deployed."); if (jbpm6WorkflowProvider.isInitialized()) { jbpm6WorkflowProvider.recompilePackages(); } } if (mailTemplates != null && mailTemplates.length > 0) { logger.info("Found {} workflow mail templates to be deployed.", mailTemplates.length); for (Resource mailTemplateResource : mailTemplates) { MailTemplate mailTemplate = new MailTemplate(); mailTemplate.setLanguage("velocity"); mailTemplate.setFrom(new AddressTemplate()); mailTemplate.setTo(new AddressTemplate()); mailTemplate.setCc(new AddressTemplate()); mailTemplate.setBcc(new AddressTemplate()); int currentField = -1; String currentLine; StringBuilder buf = new StringBuilder(); BufferedReader reader = new BufferedReader( new InputStreamReader(mailTemplateResource.getInputStream(), "UTF-8")); try { while ((currentLine = reader.readLine()) != null) { if (currentLine.contains(":")) { String prefix = StringUtils.substringBefore(currentLine, ":").toLowerCase(); if (FIELDS.contains(prefix)) { setMailTemplateField(mailTemplate, currentField, buf); buf = new StringBuilder(); currentField = FIELDS.indexOf(prefix); currentLine = StringUtils.substringAfter(currentLine, ":").trim(); } } else { buf.append('\n'); } buf.append(currentLine); } } finally { IOUtils.closeQuietly(reader); } setMailTemplateField(mailTemplate, currentField, buf); mailTemplateRegistry.addTemplate( StringUtils.substringBeforeLast(mailTemplateResource.getFilename(), "."), mailTemplate); } } } public static void setMailTemplateField(MailTemplate t, int currentField, StringBuilder buf) { switch (currentField) { case 0: t.getFrom().setAddresses(buf.toString()); break; case 1: t.getTo().setAddresses(buf.toString()); break; case 2: t.getCc().setAddresses(buf.toString()); break; case 3: t.getBcc().setAddresses(buf.toString()); break; case 4: t.getFrom().setUsers(buf.toString()); break; case 5: t.getTo().setUsers(buf.toString()); break; case 6: t.getCc().setUsers(buf.toString()); break; case 7: t.getBcc().setUsers(buf.toString()); break; case 8: t.getFrom().setGroups(buf.toString()); break; case 9: t.getTo().setGroups(buf.toString()); break; case 10: t.getCc().setGroups(buf.toString()); break; case 11: t.getBcc().setGroups(buf.toString()); break; case 12: t.setSubject(buf.toString()); break; case 13: t.setText(buf.toString()); break; case 14: t.setHtml(buf.toString()); break; case 15: t.setLanguage(buf.toString()); break; } } private void undeployDeclaredProcesses() throws IOException { if (!JahiaContextLoaderListener.isRunning()) { return; } if (processes != null && processes.length > 0) { logger.info("Found {} workflow processes to be undeployed.", processes.length); for (Resource process : processes) { String fileName = process.getFilename(); logger.info("Undeploy workflow process " + fileName + ". Updating..."); jbpm6WorkflowProvider.removeResource(process); logger.info("... done"); } logger.info("...workflow processes undeployed."); if (JahiaContextLoaderListener.isContextInitialized()) { jbpm6WorkflowProvider.recompilePackages(); } } if (mailTemplates != null && mailTemplates.length > 0) { logger.info("Found {} workflow mail templates to be undeployed.", mailTemplates.length); for (Resource mailTemplateResource : mailTemplates) { mailTemplateRegistry .removeTemplate(StringUtils.substringBeforeLast(mailTemplateResource.getFilename(), ".")); } } } public void setProcesses(Resource[] processes) { this.processes = processes; } public void setMailTemplates(Resource[] mailTemplates) { this.mailTemplates = mailTemplates; } }