private void addCookie(
     PersistentToken token, HttpServletRequest request, HttpServletResponse response) {
   setCookie(
       new String[] {token.getSeries(), token.getTokenValue()},
       TOKEN_VALIDITY_SECONDS,
       request,
       response);
 }
  @Override
  protected UserDetails processAutoLoginCookie(
      String[] cookieTokens, HttpServletRequest request, HttpServletResponse response) {

    PersistentToken token = getPersistentToken(cookieTokens);
    String login = token.getUser().getLogin();

    // Token also matches, so login is valid. Update the token value, keeping the *same* series
    // number.
    log.debug(
        "Refreshing persistent login token for user '{}', series '{}'", login, token.getSeries());
    token.setTokenDate(LocalDate.now());
    token.setTokenValue(generateTokenData());
    token.setIpAddress(request.getRemoteAddr());
    token.setUserAgent(request.getHeader("User-Agent"));
    try {
      persistentTokenRepository.saveAndFlush(token);
      addCookie(token, request, response);
    } catch (DataAccessException e) {
      log.error("Failed to update token: ", e);
      throw new RememberMeAuthenticationException("Autologin failed due to data access problem", e);
    }
    return getUserDetailsService().loadUserByUsername(login);
  }