if(log.isInfoEnabled()) log.info("input_cookie is " + printCookie(input));
       boolean matchCookie(byte[] input) {           if(input == null || input.length < cookie.length) return false;           if(log.isInfoEnabled()) log.info("input_cookie is " + printCookie(input));           for(int i=0; i < cookie.length; i++)               if(cookie[i] != input[i]) return false;           return true;       }