@Override
    public ChainAction executeLogin(LoginContext context){
        String userName = context.getUserName();
        String passWord = context.getPassword();
        
        if("".equals(userName) || "".equals(passWord)){
            return ChainAction.Fail;
        }
        setUserServerVariable(userName, passWord, context);
        return ChainAction.OkAndContinue;
    }