TokenService.java

@Component
@AllArgsConstructor
@Slf4j
public class TokenService {

    private final TokenRepository tokenRepository;

    private final TokenObtainer tokenObtainer;

    public void refreshTokens() {
        Arrays.stream(RemoteService.values())
                .forEach(remoteService ->
                        tokenRepository.findById(remoteService)
                                .ifPresentOrElse(
                                        apiToken -> {
                                            log.info("Refreshing token for API [" + remoteService + "]");
                                            tokenRepository.save(
                                                    tokenObtainer.obtainAccessToken(remoteService, apiToken));
                                        },
                                        () -> {
                                            log.warn("Token for API [" + remoteService + "] wasn't found");
                                            log.info("Obtaining new token for API [" + remoteService + "]");
                                            tokenRepository.save(
                                                    tokenObtainer.obtainAccessToken(remoteService)
                                            );
                                        }
                                ));
    }