Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright 2005, JBoss Inc., and individual contributors as indicated * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jbpm.ant; import java.net.URL; import java.util.StringTokenizer; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.Task; import org.hibernate.cfg.Configuration; import org.hibernate.tool.hbm2ddl.SchemaExport; import org.jbpm.JbpmConfiguration; import org.jbpm.JbpmContext; import org.jbpm.db.JbpmSchema; import org.jbpm.persistence.db.DbPersistenceServiceFactory; import org.jbpm.svc.Services; public class JbpmSchemaTask extends Task { String jbpmCfg = null; String hibernateCfg = null; String hibernateProperties = null; boolean quiet = false; boolean text = false; String output = null; String delimiter = null; String actions = null; public void execute() throws BuildException { if (actions == null) { // default action is create actions = "create"; } // we need a configuration Configuration configuration = null; // if there is no jbpm nor hibernate configuration specified if ((jbpmCfg == null) && (hibernateCfg == null)) { // search for the default jbpm.cfg.xml URL defaultJbpmCfgUrl = getClass().getClassLoader().getResource("jbpm.cfg.xml"); if (defaultJbpmCfgUrl != null) { jbpmCfg = "jbpm.cfg.xml"; // if still not found, search for the default hibernate.cfg.xml } else { URL defaultHibernateCfgUrl = getClass().getClassLoader().getResource("hibernate.cfg.xml"); if (defaultHibernateCfgUrl != null) { hibernateCfg = "hibernate.cfg.xml"; } } } // first see if the jbpm cfg is specified cause that implies a hibernate configuration if (jbpmCfg != null) { log("using jbpm configuration " + jbpmCfg); JbpmConfiguration jbpmConfiguration = AntHelper.getJbpmConfiguration(jbpmCfg); JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext(); try { DbPersistenceServiceFactory dbPersistenceServiceFactory = (DbPersistenceServiceFactory) jbpmConfiguration .getServiceFactory(Services.SERVICENAME_PERSISTENCE); configuration = dbPersistenceServiceFactory.getConfiguration(); } finally { jbpmContext.close(); } // if there is no jbpm.cfg.xml specified, check if there is a hibernate.cfg.xml specified } else if (hibernateCfg != null) { log("using hibernate configuration " + hibernateCfg); configuration = AntHelper.getConfiguration(hibernateCfg, hibernateProperties); // no hibernate configuration specified } else { throw new BuildException("couldn't create schema. no jbpm nor hibernate configuration specified."); } JbpmSchema jbpmSchema = new JbpmSchema(configuration); SchemaExport schemaExport = new SchemaExport(configuration); if (output != null) schemaExport.setOutputFile(output); if (delimiter != null) schemaExport.setDelimiter(delimiter); StringTokenizer tokenizer = new StringTokenizer(actions, ","); while (tokenizer.hasMoreTokens()) { String action = tokenizer.nextToken(); if ("drop".equalsIgnoreCase(action)) { schemaExport.drop(!quiet, !text); } else if ("create".equalsIgnoreCase(action)) { schemaExport.create(!quiet, !text); } else if ("clean".equalsIgnoreCase(action)) { jbpmSchema.cleanSchema(); } } } public void setActions(String actions) { this.actions = actions; } public void setJbpmCfg(String jbpmCfg) { this.jbpmCfg = jbpmCfg; } public void setHibernateCfg(String hibernateCfg) { this.hibernateCfg = hibernateCfg; } public void setHibernateProperties(String hibernateProperties) { this.hibernateProperties = hibernateProperties; } public void setDelimiter(String delimiter) { this.delimiter = delimiter; } public void setOutput(String output) { this.output = output; } public void setQuiet(boolean quiet) { this.quiet = quiet; } public void setText(boolean text) { this.text = text; } }