public static void main()

in import/src/main/java/com/google/cloud/healthcare/imaging/dicomadapter/ImportAdapter.java [65:151]
57 lines of code
8 McCabe index (conditional complexity)

  public static void main(String[] args) throws IOException, GeneralSecurityException {
    Flags flags = new Flags();
    JCommander jCommander = new JCommander(flags);
    jCommander.parse(args);

    String dicomwebAddress = DicomWebValidation.validatePath(flags.dicomwebAddress, DicomWebValidation.DICOMWEB_ROOT_VALIDATION);

    if(flags.help){
      jCommander.usage();
      return;
    }

    // Adjust logging.
    LogUtil.Log4jToStdout(flags.verbose ? "DEBUG" : "ERROR");

    // Credentials, use the default service credentials.
    GoogleCredentials credentials = GoogleCredentials.getApplicationDefault();
    if (!flags.oauthScopes.isEmpty()) {
      credentials = credentials.createScoped(Arrays.asList(flags.oauthScopes.split(",")));
    }

    HttpRequestFactory requestFactory =
        new NetHttpTransport().createRequestFactory(new HttpCredentialsAdapter(credentials));

    // Initialize Monitoring
    if (!flags.monitoringProjectId.isEmpty()) {
      MonitoringService.initialize(flags.monitoringProjectId, Event.values(), requestFactory);
      MonitoringService.addEvent(Event.STARTED);
    } else {
      MonitoringService.disable();
    }

    // Dicom service handlers.
    DicomServiceRegistry serviceRegistry = new DicomServiceRegistry();

    // Handle C-ECHO (all nodes which accept associations must support this).
    serviceRegistry.addDicomService(new BasicCEchoSCP());

    // Handle C-STORE
    String cstoreDicomwebAddr = dicomwebAddress;
    String cstoreDicomwebStowPath = STUDIES;
    if (cstoreDicomwebAddr.length() == 0) {
      cstoreDicomwebAddr = flags.dicomwebAddr;
      cstoreDicomwebStowPath = flags.dicomwebStowPath;
    }

    String cstoreSubAet = flags.dimseCmoveAET.equals("") ? flags.dimseAET : flags.dimseCmoveAET;
    if (cstoreSubAet.isBlank()) {
      throw new IllegalArgumentException("--dimse_aet flag must be set.");
    }

    IDicomWebClient defaultCstoreDicomWebClient = configureDefaultDicomWebClient(
        requestFactory, cstoreDicomwebAddr, cstoreDicomwebStowPath, credentials, flags);

    DicomRedactor redactor = configureRedactor(flags);

    BackupUploadService backupUploadService = configureBackupUploadService(flags, credentials);

    IDestinationClientFactory destinationClientFactory = configureDestinationClientFactory(
      defaultCstoreDicomWebClient, credentials, flags, backupUploadService != null);

    MultipleDestinationUploadService multipleDestinationSendService = configureMultipleDestinationUploadService(
        flags, cstoreSubAet, backupUploadService);

    CStoreService cStoreService =
        new CStoreService(destinationClientFactory, redactor, flags.transcodeToSyntax, multipleDestinationSendService);
    serviceRegistry.addDicomService(cStoreService);

    // Handle C-FIND
    IDicomWebClient dicomWebClient =
        new DicomWebClient(requestFactory, dicomwebAddress, STUDIES);
    CFindService cFindService = new CFindService(dicomWebClient, flags);
    serviceRegistry.addDicomService(cFindService);

    // Handle C-MOVE
    CMoveSenderFactory cMoveSenderFactory = new CMoveSenderFactory(cstoreSubAet, dicomWebClient);
    AetDictionary aetDict = new AetDictionary(flags.aetDictionaryInline, flags.aetDictionaryPath);
    CMoveService cMoveService = new CMoveService(dicomWebClient, aetDict, cMoveSenderFactory);
    serviceRegistry.addDicomService(cMoveService);

    // Handle Storage Commitment N-ACTION
    serviceRegistry.addDicomService(new StorageCommitmentService(dicomWebClient, aetDict));

    // Start DICOM server
    Device device = DeviceUtil.createServerDevice(flags.dimseAET, flags.dimsePort, serviceRegistry);
    device.bindConnections();
  }