public void processMessage(String line)
{
  cscon.log(threadName + "| Przetwarzam lini: " + line);
  if (line.length() < 5){
    if (nick != null){
      sendToAll(nick + "> " + line);
    }
    else{
      send("/nonk");
    }
    return;
  }
  String command = line.substring(0, 5);
  if (command.equals("/quit")){
    send("/quit");
    stopped = true;
  }
  else if (command.equals("/nick")){
    if (line.length() < 7){
      send("/nonk");
      return;
    }
    String nick = line.substring(6, line.length());
    if (!nickExists(nick)){
      send("/nkok");
      if (this.nick != null){
        sendToAll("/nkrm " + this.nick);
      }
      else{
        sendAllNicks();
      }
      this.nick = nick;
      sendToAll("/nick " + nick);
    }
    else{
      send("/nkex");
    }
  }
  else{
    if (nick != null){
      sendToAll(nick + "> " + line);
    }
    else{
      send("/nonk");
    }
  }
}
