}
    public void loginAsGuest(String name) {        User tmpUser = this.userAdministration.loginGuest(name);        if (tmpUser == null) {            System.out.println("login guest " + name + " failed");            this.sendCommand(                new Util.Commands.LoginErrorCommand());            this.setUser(null);        }        else {            System.out.println("Guest " + this.user.getName() + " logged in");            this.setUser(tmpUser);        }    }