struts对cookie的存取

/**     * Cookieの追加     * @return     * @throws Exception     */    private void addCookie(String name,String value){        Cookie cookie = new Cookie(name, value);        cookie.setMaxAge(60*60*24*365);        ServletActionContext.getResponse().addCookie(cookie);    }    /**     * Cookieの取得     * @return     * @throws Exception     */    private String getCookie(String name){        HttpServletRequest request = ServletActionContext.getRequest();        Cookie[] cookies = request.getCookies();        for(Cookie cookie : cookies)        {            if(cookie.getName().equals(name))            {                return cookie.getValue();            }        }        return null;    }