Pasted

    /**
     * check if the username exist
     * @param userName: user name to create account
     * @return true if the user name exist
     */
    public boolean isUserNameExist (String userName) {
        Users user = usersDao.getOneByUserName(userName);
        JforumUsers jforumUser = jforumUsersDao.getOneByName(userName);
        
        return user == null && jforumUser == null ? false : true;
    }