/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.util.ejb.local;import com.opensymphony.module.propertyset.PropertySet;import com.opensymphony.workflow.AbstractWorkflow;import com.opensymphony.workflow.Register;import com.opensymphony.workflow.WorkflowContext;import com.opensymphony.workflow.WorkflowException;import com.opensymphony.workflow.spi.WorkflowEntry;import java.lang.reflect.Method;import java.util.Map;import javax.ejb.EJBLocalHome;import javax.naming.InitialContext;import javax.rmi.PortableRemoteObject;/** * A register helper that exposes a local session bean as a register. * This register takes in one argument, <code>ejb.location</code> that specifies * the JNDI location of the session bean. * * @author $Author: hani $ * @version $Revision: 1.5 $ */public class LocalEJBRegister implements Register {    //~ Methods ////////////////////////////////////////////////////////////////    public Object registerVariable(WorkflowContext context, WorkflowEntry entry, Map args, PropertySet ps) throws WorkflowException {        String ejbLocation = (String) args.get(AbstractWorkflow.EJB_LOCATION);        Register sessionBean;        try {            EJBLocalHome home = (EJBLocalHome) PortableRemoteObject.narrow(new InitialContext().lookup(ejbLocation), EJBLocalHome.class);            Method create = home.getClass().getMethod("create", new Class[0]);            sessionBean = (Register) create.invoke(home, new Object[0]);        } catch (Exception e) {            String message = "Could not get handle to local EJB register at: " + ejbLocation;            throw new WorkflowException(message, e);        }        return sessionBean.registerVariable(context, entry, args, ps);    }}