Example #1
0
  public void update(Observable source, Object object) {
    if (source instanceof Users) {
      if (!this.isDisabled()) {
        try {
          Operations.sendUserNamesList(users.getUserNames(), out);
        } catch (IOException io) {
          logger.error("IO Exception", io);
        }
      }
    }

    if (source instanceof Messages) {
      try {
        Operations.sendMessage((MessageType) object, out);
      } catch (IOException io) {
        if (out != null) {
          try {
            out.close();
          } catch (Exception ioe) {
            logger.error("Failed to close the output stream", ioe);
          }
        }

        logger.error("Impossible to send messages", io);
      }
    }
  }
Example #2
0
  private void prepareClient() throws IOException {
    logger.info("Waiting for client's name");
    Message mes = Operations.receive(in);
    setClientName((String) mes.getValue());
    logger.info("Username for " + s.getInetAddress() + " received: " + userName);

    users.add(this);
    logger.info("User " + getClientName() + " has been added to the userlist.");

    messages = new Messages();
    logger.info("Message list created");

    if (!history.containsKey(userName)) {
      history.put(userName, messages);
    } else {
      messages = history.get(userName);
    }
    messages.addObserver(this);
    logger.info("Message list assigned to history");

    logger.info("Sending the list of users.");
    Operations.sendUserNamesList(users.getUserNames(), out);
    logger.info("Userlist has been sent");
  }
Example #3
0
  public ClientThread(Socket socket, History history, Users users) throws IOException {

    logger.warn("New client is trying to connect to the chat...");
    logger.info("Assigning a socket to a new client...");
    this.s = socket;

    logger.info("Getting the input stream...");
    in = new DataInputStream(s.getInputStream());

    logger.info("Getting the output stream...");
    out = new DataOutputStream(s.getOutputStream());

    this.users = users;
    users.addObserver(this);

    this.history = history;

    start();
    logger.warn("Connection with new user is established.");
  }
Example #4
0
 public void run() {
   try {
     prepareClient();
     logger.info("Starting normal session with " + getClientName());
     while (true) {
       this.receive();
     }
   } catch (IOException ioe) {
     logger.warn("Client " + this + " has been disconnected.");
     this.setDisabled(true);
     users.remove(this);
   } finally {
     try {
       if (s != null && !s.isClosed()) {
         s.close();
         logger.warn("Socket with " + this + " has been closed.");
       }
     } catch (IOException ioe) {
       logger.error("Socket has not been closed.", ioe);
     }
   }
 }