/* * 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.mock; import java.util.Iterator; import java.util.Random; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.dom4j.Element; import org.jbpm.graph.def.ActionHandler; import org.jbpm.graph.exe.ExecutionContext; import org.jbpm.persistence.db.DbPersistenceService; /** * @author Alejandro Guizar */ public class EsbActionHandler implements ActionHandler { private String esbCategoryName; private String esbServiceName; private Element bpmToEsbVars; private Element esbToBpmVars; private String exceptionTransition; private static final long serialVersionUID = 1L; private static final Log log = LogFactory.getLog(EsbActionHandler.class); public void execute(ExecutionContext executionContext) { log.debug("invoking " + esbCategoryName + "::" + esbServiceName); try { for (Iterator i = bpmToEsbVars.elementIterator(); i.hasNext();) { Element bpmToEsbVar = (Element) i.next(); String var = bpmToEsbVar.attributeValue("bpm"); Object value = executionContext.getVariable(var); log.debug("read " + value + " from variable " + var); } Random random = new Random(); for (Iterator i = esbToBpmVars.elementIterator(); i.hasNext();) { Element esbToBpmVar = (Element) i.next(); String var = esbToBpmVar.attributeValue("bpm"); byte[] value = new byte[random.nextInt(2048)]; random.nextBytes(value); executionContext.setVariable(var, value); log.debug("wrote " + value.length + " bytes to variable " + var); } executionContext.leaveNode(); } catch (RuntimeException e) { if (DbPersistenceService.isPersistenceException(e)) throw e; log.debug("possibly recoverable exception in esb action", e); executionContext.leaveNode(exceptionTransition); } } }