public void open() { if (sessionKey == RexProMessage.EMPTY_SESSION) { SessionRequestMessage sessionRequestMessageToSend = new SessionRequestMessage(); sessionRequestMessageToSend.Username = this.username; sessionRequestMessageToSend.Password = this.password; sessionRequestMessageToSend.setSessionAsUUID(SessionRequestMessage.EMPTY_SESSION); sessionRequestMessageToSend.setRequestAsUUID(UUID.randomUUID()); try { sessionRequestMessageToSend.validateMetaData(); } catch (RexProException e) { e.printStackTrace(); } // if close() gets called then have to recreate the the connection here. need to factor out // this // RexPro class. if (this.rexProConnection == null) { this.rexProConnection = new RexProClientConnection(rexProHost, rexProPort); } final RexProMessage rcvMessage = sendRequest(sessionRequestMessageToSend, 3); if (rcvMessage != null && rcvMessage instanceof SessionResponseMessage) { final SessionResponseMessage sessionResponseMessage = (SessionResponseMessage) rcvMessage; this.availableLanguages = new ArrayList<String>(); for (String lang : sessionResponseMessage.Languages) { this.availableLanguages.add(lang); } this.sessionKey = rcvMessage.sessionAsUUID(); } } }