@Override
  protected void onLoginSuccess(
      HttpServletRequest request,
      HttpServletResponse response,
      Authentication successfulAuthentication) {

    String login = successfulAuthentication.getName();

    log.debug("Creating new persistent login for user {}", login);
    PersistentToken token =
        userRepository
            .findOneByLogin(login)
            .map(
                u -> {
                  PersistentToken t = new PersistentToken();
                  t.setSeries(generateSeriesData());
                  t.setUser(u);
                  t.setTokenValue(generateTokenData());
                  t.setTokenDate(LocalDate.now());
                  t.setIpAddress(request.getRemoteAddr());
                  t.setUserAgent(request.getHeader("User-Agent"));
                  return t;
                })
            .orElseThrow(
                () ->
                    new UsernameNotFoundException(
                        "User " + login + " was not found in the database"));
    try {
      persistentTokenRepository.saveAndFlush(token);
      addCookie(token, request, response);
    } catch (DataAccessException e) {
      log.error("Failed to save persistent token ", e);
    }
  }
 @Test
 public void testRemoveOldPersistentTokens() {
   User admin = userRepository.findOneByLogin("admin").get();
   int existingCount = persistentTokenRepository.findByUser(admin).size();
   generateUserToken(admin, "1111-1111", LocalDate.now());
   LocalDate now = LocalDate.now();
   generateUserToken(admin, "2222-2222", now.minusDays(32));
   assertThat(persistentTokenRepository.findByUser(admin)).hasSize(existingCount + 2);
   userService.removeOldPersistentTokens();
   assertThat(persistentTokenRepository.findByUser(admin)).hasSize(existingCount + 1);
 }