private ApopCommand apopCommand;
public CommandHandler(Session session) {
this.session = session;
commandMap.put("NOOP", new NoopCommand(session));
commandMap.put("CAPA", new CapaCommand(session));
commandMap.put("QUIT", new QuitCommand(session));
UserCommand userCommand = new UserCommand(session);
commandMap.put("USER", userCommand);
commandMap.put("PASS", new PassCommand(session, userCommand));
commandMap.put("STAT", new StatCommand(session));