void processNewUser(NewUserMessage message) {
    String newUsername = this.validateUsername(message.getUsername());
    NewUserMessage uMessage = new NewUserMessage(newUsername);
    try {
      session.getBasicRemote().sendObject(uMessage);
    } catch (IOException | EncodeException ioe) {
      System.out.println(
          "Error signing " + message.getUsername() + " into chat : " + ioe.getMessage());
    }
    this.registerUser(newUsername);

    try {
      ResultSet rs = null, ds = null;
      String z, x;
      String url1 = "jdbc:mysql://localhost:3306/chat";
      Connection conn1 = DriverManager.getConnection(url1, "root", "root");
      Statement st1 = conn1.createStatement();
      Statement st2 = conn1.createStatement();
      String myQuery = "SELECT Message,Recepient FROM Log WHERE User = '******'";
      System.out.println(myQuery);
      rs =
          st1.executeQuery("SELECT Message,Recepient FROM Log WHERE User = '******';");
      while (rs.next()) {
        z = rs.getString("Message");
        x = rs.getString("Recepient");
        ChatUpdateMessage cdm1 = new ChatUpdateMessage(newUsername, z, x);
        try {
          session.getBasicRemote().sendObject(cdm1);
        } catch (IOException | EncodeException ex) {
          System.out.println("Error updating a client : " + ex.getMessage());
        }
      }

      ds =
          st2.executeQuery("SELECT Message,User FROM Log WHERE Recepient = '" + newUsername + "';");
      while (ds.next()) {
        z = ds.getString("Message");
        x = ds.getString("User");
        ChatUpdateMessage cdm2 = new ChatUpdateMessage(x, z, newUsername);
        try {
          session.getBasicRemote().sendObject(cdm2);
        } catch (IOException | EncodeException ex) {
          System.out.println("Error updating a client : " + ex.getMessage());
        }
      }

    } catch (Exception e) {
      System.err.println("Got an exception! ");
      System.err.println(e.getMessage());
    }

    this.broadcastUserListUpdate();
  }
 private void broadcastUserListUpdate() {
   UserListUpdateMessage ulum = new UserListUpdateMessage(this.getUserList());
   for (Session nextSession : session.getOpenSessions()) {
     try {
       nextSession.getBasicRemote().sendObject(ulum);
     } catch (IOException | EncodeException ex) {
       System.out.println("Error updating a client : " + ex.getMessage());
     }
   }
 }
  private void broadcastTranscriptUpdate() {
    String v = this.transcript.getRec();
    String g;
    if (c.equals(v)) {
      for (Session nextSession : session.getOpenSessions()) {

        ChatUpdateMessage cdm =
            new ChatUpdateMessage(
                this.transcript.getLastUsername(),
                this.transcript.getLastMessage(),
                this.transcript.getRec());

        try {
          nextSession.getBasicRemote().sendObject(cdm);
        } catch (IOException | EncodeException ex) {
          System.out.println("Error updating a client : " + ex.getMessage());
        }
      }
    } else {
      for (Session nextSession : session.getOpenSessions()) {
        String check = this.transcript.getRec();
        ChatUpdateMessage cdm =
            new ChatUpdateMessage(
                this.transcript.getLastUsername(),
                this.transcript.getLastMessage(),
                this.transcript.getRec());
        g = (String) nextSession.getUserProperties().get(USERNAME_KEY);
        if (v.equals(g)) {
          try {
            nextSession.getBasicRemote().sendObject(cdm);
          } catch (IOException | EncodeException ex) {
            System.out.println("Error updating a client : " + ex.getMessage());
          }
        }
      }
    }
  }