class HttpUtils {

    public static boolean isDateRelatedHeader(String headerName) {
        return HttpHeaders.DATE.equalsIgnoreCase(headerName)
               || HttpHeaders.IF_MODIFIED_SINCE.equalsIgnoreCase(headerName)
               || HttpHeaders.IF_UNMODIFIED_SINCE.equalsIgnoreCase(headerName)
               || HttpHeaders.EXPIRES.equalsIgnoreCase(headerName)
               || HttpHeaders.LAST_MODIFIED.equalsIgnoreCase(headerName);
    }

    private  HttpUtils();

}