{                }                if(line !=null && line.length()>0)                {                    li.addAttribute(Header.SUBJECT, new StringAttribute(line));                }                                // Optionally add some StringAttributes.                //                do                {                    System.out.print("Attribute (leave empty to finish): ");                    String attr = reader.readLine().trim();                    if(attr.length()==0)                    {                        break;                    }                                        System.out.print("Value: ");                    String value = reader.readLine().trim();                    if(li.getAttribute(attr)==null)                    {                        li.addAttribute(attr, new StringAttribute(value));                    }                    else                    {                        li.setAttribute(attr, new StringAttribute(value));                    }                    } while (true);                                session.launch(launch.getEngineId(), li);                return CmdHandler.DO_NOT_EXIT;            }            }        catch(Exception e)        {            System.err.println("Can't launch workflow: " + e);        }                return CmdHandler.DO_NOT_EXIT;    }    public Boolean do_exit (final String[] args)    {        return CmdHandler.DO_EXIT;    }    public Boolean do_quit (final String[] args)    {        return CmdHandler.DO_EXIT;    }        public void help_stores()    {        System.out.println("stores");        System.out.println("  Lists all of the stores in the worklist you are connected to. (It doesn't");        System.out.println("  tell you whether or not you have access to each of these stores.)");    }    /**     * List stores.     *      * @param args     * @return     * @throws Exception     */    public Boolean do_stores(String[] args) throws Exception    {        for(Iterator it = session.getStoreNames().iterator(); it.hasNext();)        {            String name = (String)it.next();            System.out.println("   - '" + name + "'");        }                return CmdHandler.DO_NOT_EXIT;    }    public void help_user()    {        System.out.println("user [<username> <password>]");        System.out.println("  If not parameters are specified, display the current user.");        System.out.println("  Otherwise, start a new work session as this user and logout from the current session.");        System.out.println("  If unsuccessful, the current session will continue to be used.");    }        public Boolean do_user(String[] args)    {        if(args.length==0)        {            try            {                Subject subject = session.getSubject();                System.out.println(subject);            }            catch(Exception e)            {                System.err.println("Can't get Subject: " + e);            }                        return CmdHandler.DO_NOT_EXIT;        }                if(args.length!=2)        {            System.out.println("Required parameters not specified");            return CmdHandler.DO_NOT_EXIT;        }                String username = args[0];        String password = args[1];                try        {            WorkSessionServer sessionServer = (WorkSessionServer) Naming.lookup(url);            WorkSession session = (WorkSession) sessionServer.login(username, password);                        // Switch sessions.            //            this.session.release();            this.session = session;        }        catch(Exception e)        {            System.out.println("Login not successful: " + e);        }                return CmdHandler.DO_NOT_EXIT;    }        public void help_workflows()    {        System.out.println("workflows");        System.out.println("  Lists all of the workflows that can be launched.");    }    /**     * List launchable workflows.     *      * @param args     * @return     * @throws Exception     */    public Boolean do_workflows(String[] args) throws Exception    {        for(Iterator it = session.getLaunchables().iterator(); it.hasNext();)        {            Launchable launch = (Launchable)it.next();            String description = language==null ? launch.getDefaultDescription() : launch.getDescription(language);            System.out.println("Workflow url " + launch.getUrl());            System.out.println("  \"" + description + "\"");            System.out.println("  Root element name: " + launch.getDescription("root.element.name"));            System.out.println("  Engine Id: " + launch.getEngineId());            System.out.println("  isLaunchItem: " + launch.isLaunchItem());            System.out.println();        }                return CmdHandler.DO_NOT_EXIT;    }    public static Header getHeader        (final WorkSession session, final String storeName, final String id)     throws         Exception    {        List headers = session.getHeaders(storeName, DEFAULT_LIMIT);        Header header = null;        FlowExpressionId fei = null;        for (Iterator i = headers.iterator(); i.hasNext();)        {            header = (Header)i.next();            if (header.getExpressionId().getWorkflowInstanceId().equals(id))            {                return header;            }        }                return null;    }    public static void displayAttributes(StringMapAttribute sma)    {        for(Iterator i = sma.stringKeySet().iterator(); i.hasNext();)        {            String key = (String)i.next();            Attribute attr = (Attribute)sma.get(key);            String attrType = attr.getClass().getName();            attrType = attrType.substring(attrType.lastIndexOf(".")+1);            System.out.print("\n" + key + " [" + attr + "] (" + attrType + ")");        }            }    public static void displayWorkItem(Header header, InFlowWorkItem wi)    {        StringMapAttribute wsma = header.getAttributes();        String title = "Workflow " + wsma.get(Header.WF_DEFINITION_NAME) + " " + wsma.get(Header.WF_DEFINITION_REVISION) + ": " + wsma.get(Header.WF_INSTANCE_ID);        System.out.println("\n" + title);        for(int i=0; i<title.length(); i++)        {            System.out.print("=");        }        System.out.println();                    FlowExpressionId feId = wi.getLastExpressionId();        System.out.println("Last modified:   " + wi.getLastModified());        System.out.println("Dispatch time:   " + wi.getDispatchTime());        System.out.println("Participant:     " + wi.getParticipantName());        System.out.println("Engine:          " + feId.getEngineId());        System.out.println("WF def name:     " + feId.getWorkflowDefinitionName());        System.out.println("WF def revision: " + feId.getWorkflowDefinitionRevision());        System.out.println("WF instance id:  " + feId.getWorkflowInstanceId());        System.out.println("Expression name: " + feId.getExpressionName());        System.out.println("Expression id:   " + feId.getExpressionId());                    displayAttributes(wi.getAttributes());                    if(wi.getHistory() != null)        {            System.out.println("\n\nHistory\n=======");            for(Iterator i = wi.getHistory().iterator(); i.hasNext();)            {                HistoryItem hi = (HistoryItem)i.next();                System.out.println("Date:   " + hi.getDate());                System.out.println("Author: " + hi.getAuthor());                System.out.println("Host:   " + hi.getHost());                System.out.println("Text:   " + hi.getText());                System.out.println("----");            }            System.out.println();        }    }        public void run()    {        final CmdHandler parser = new CmdHandler(this);        parser.commandLoop(prompt, reader);        System.out.println("Bye.");        System.exit(0);    }    public static void main(String[] args)    {        final String DEFAULT_URL = "rmi://localhost:7099/workSessionServer";                System.out.println(BANNER);        if(args.length>0)        {            String arg = args[0].trim().toLowerCase();            if(arg.equals("-help") || arg.equals("-h") || arg.equals("-?"))            {                System.out.println("OpenWFE workflow client");                System.out.println();                System.out.println("Usage: " + WfCmd.class.getName() + " [<session server URL> [<username> [<password>]]");                System.out.println();                System.out.println("Default URL is " + DEFAULT_URL);                System.exit(0);            }        }        try        {            String url = args.length > 0 ? args[0] : DEFAULT_URL;            BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));            // Get the username/password if not specified on the command line.            //                        String username;            if(args.length>1)            {                username = args[1];            }            else            {                System.out.print("username> ");                username = reader.readLine();            }            String password;            if(args.length>2)            {                password = args[2];            }            else            {                System.out.print("password> ");                password = reader.readLine();            }            // Login to the session server.            //            WorkSessionServer sessionServer = (WorkSessionServer) Naming.lookup(url);            WorkSession session = (WorkSession) sessionServer.login(username, password);            new WfCmd(url, session, reader).run();        }        catch (Exception e)        {            e.printStackTrace();        }    }}