BlackBerry 5,6,7 Chat sample: Login to Chat

BlackBerry 5,6,7 Chat sample: Login to Chat

    public void LoginToChat(final String _jid, final String _password, final String _userid)
    {
        UiApplication.getUiApplication().invokeLater(new Runnable() 
        {    
            public void run() 
            {
                jidName = _jid;
                String jid = "";
                String password = "";
                String server =  SERVER;
                String customPort =  PORT;
                
                Vector up = SavedData.getUserInfo();
                if (up != null) 
                {
                    jid = (String)up.elementAt(2) + "-" + APP_ID + "-" + (String)up.elementAt(0) + "@" + SERVER;
                    jidFull = (String)up.elementAt(2) + "-" + APP_ID + "-" + (String)up.elementAt(0);
                    password = (String)up.elementAt(1);
                }
                else
                {
                    jid = _userid + "-" + APP_ID + "-" + _jid + "@" + SERVER;
                    jidFull = _userid + "-" + APP_ID + "-" + _jid;
                    password = _password;
                }
            
                        
                if (jid.equals("") || server.equals(""))
                {
                    Dialog.alert(Contents.jid_sintax_error);
                    return;
                }
                else 
                {
                    if (jid.indexOf('@') != -1)
                    {//subdomain exists
                            Datas.subdomain = jid.substring(jid.indexOf('@') + 1, jid.length());
                            jid = jid.substring(0, jid.indexOf('@'));
                            Datas.hostname = Datas.subdomain;
                            
                    }
                    else
                    {
                            Datas.hostname = server;
                            Datas.subdomain = null;
                    }
                    Datas.jid = new Jid(jid + "@" + Datas.hostname);
                    if (Datas.jid.getResource() == null) Datas.jid.setResource("JabberMix");
                    Datas.setPassword(password);
                    Datas.server_name = server;
                    
                    Datas.jid.setMail("");
                    Datas.isSSL = false;
                    Datas.isHTTP = false;
                    Datas.avatarFile = Contents.getImage("jmcAvatar");
                    Datas.setJidAvatar(); 
                    
                    Datas.saveRecord();
                    
                    //empty roster, future retrieve offline
                    Datas.roster.clear();
                    
                    chat_manager.getGuiWaitConnect();
                    chat_manager.internal_state = chat_manager.WAIT_CONNECT;
                    
                    DebugStorage.getInstance().Log(0, "<OfflineScreen> LoginToChat: ");
                    DebugStorage.getInstance().Log(0, "<OfflineScreen> LOGIN: " + jid);
                    DebugStorage.getInstance().Log(0, "<OfflineScreen> PASSWORD: " + password);
                    
                    if (Datas.isHTTP)
                    {
                        chat_manager.cm.httpConnect(); //HTTP
                    }
                    else
                    {
                        chat_manager.cm.connect(0); //TCP
                    }
                }
                 
            }
        });
    }