private Response set(final Request request, final Response response, final Cookie cookie) {
if (cookieAlreadyHasSameValue(request, cookie)
|| (isEmptyJson(cookie.value()) && !request.cookies().contains(FLASH_COOKIE))) {
return response;
}
return response.cookie(cookie);
}
private static void setIncomingFlashValues(Request request, Flash flash) {
CookieParameters requestCookies = request.cookies();
if (!requestCookies.contains(FLASH_COOKIE)
|| isEmptyJson(requestCookies.getValue(FLASH_COOKIE))
|| isBlank(requestCookies.getValue(FLASH_COOKIE))) return;
flash.merge(Json.parseMap(requestCookies.getValue(FLASH_COOKIE)).value());
}
private boolean cookieAlreadyHasSameValue(final Request request, final Cookie cookie) {
return cookie.value().equals(request.cookies().getValue(FLASH_COOKIE));
}