/* * Copyright (c) 2002-2003 by OpenSymphony * All rights reserved. */package com.opensymphony.workflow.util.jndi;import com.opensymphony.module.propertyset.PropertySet;import com.opensymphony.workflow.*;import com.opensymphony.workflow.spi.WorkflowEntry;import java.util.Map;import javax.naming.InitialContext;import javax.naming.NamingException;/** * Invoke a register registred in JNDI. * Args must contain a {@link AbstractWorkflow#JNDI_LOCATION} key. * @author $Author: hani $ * @version $Revision: 1.5 $ */public class JNDIRegister implements Register {    //~ Methods ////////////////////////////////////////////////////////////////    public Object registerVariable(WorkflowContext context, WorkflowEntry entry, Map args, PropertySet ps) throws WorkflowException {        String location = (String) args.get(AbstractWorkflow.JNDI_LOCATION);        if (location == null) {            throw new WorkflowException(AbstractWorkflow.JNDI_LOCATION + " argument is null");        }        Register r;        try {            try {                r = (Register) new InitialContext().lookup(location);            } catch (NamingException e) {                //ok, couldn't find it, look in env                r = (Register) new InitialContext().lookup("java:comp/env/" + location);            }        } catch (NamingException e) {            String message = "Could not look up JNDI register at: " + location;            throw new WorkflowException(message, e);        }        return r.registerVariable(context, entry, args, ps);    }}