[JAVA] 백엔드(자바) 단에서 사용자가 맥 OS 유저인지 체크 (agent Mac OS 여부 체크)

    /**
     * request 객체를 통해 Mac OS 사용여부 체크하기
     *
     * @param req
     * @return
     * @throws NullPointerException
     * @throws Exception
     */
    public static boolean checkIsMacOS(HttpServletRequest req) throws NullPointerException, Exception {
        boolean isMacOS = false;
        
        String reqUserAgent = req.getHeader(“User-Agent”);
        if (reqUserAgent != null) {
            reqUserAgent = reqUserAgent.toLowerCase();
            if (reqUserAgent.contains(“macintosh”) || reqUserAgent.contains(“mac os”)) {
                isMacOS = true;
            }
        }
    
        return isMacOS;
    }