Java Code Examples for com.google.api.client.http.HttpResponse#download()

@Override
public Entry download(String uuid) {
    LogUtil.log(getClass().getSimpleName(), "download()");

    File file = getEntry(uuid);

    if (file != null && file.getDownloadUrl() != null && file.getDownloadUrl().length() > 0) {
        try {
            HttpResponse resp =
                    service.getRequestFactory().buildGetRequest(new GenericUrl(file.getDownloadUrl()))
                            .execute();

            ByteArrayOutputStream os = new ByteArrayOutputStream();
            resp.download(os);
            LogUtil.log(getClass().getSimpleName(), "Download: " + os.toString("UTF-8"));

            // process input stream
            Entry entry = EntryHelper.fromJson(os.toString("UTF-8"));

            // close stream to prevent a memory leak
            os.close();

            if (entry != null) {
                LogUtil.log(getClass().getSimpleName(), "entry != null");
                SyncInfo info = new SyncInfo();
                info.setTitle(entry.uuid);
                info.setSyncService(SyncService.GoogleDrive.ordinal());
                info.setModifiedDate(Calendar.getInstance(Locale.getDefault()).getTimeInMillis());
                info.setSyncStatus(SyncStatus.OK);
                info.setRevision(String.valueOf(file.getVersion()));
                SyncInfoDao.saveData(info);
            } else
                LogUtil.log(getClass().getSimpleName(), "entry == null");

            return entry;

        } catch (Exception e) {
            LogUtil.log(getClass().getSimpleName(), "Exception in download() - " + e.getMessage());
            if (!BuildConfig.DEBUG) Crashlytics.logException(e);
        }
    } else {
        LogUtil.log(getClass().getSimpleName(), "file == null: " + (file == null));
        if (!BuildConfig.DEBUG) Crashlytics.log("file == null in DriveSyncService#download(Entry): " + (file == null));
    }

    return null;
}
 

public static void dicomWebRetrieveInstance(String dicomStoreName, String dicomWebPath)
    throws IOException {
  // String dicomStoreName =
  //    String.format(
  //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");
  // String dicomWebPath = String.format(DICOMWEB_PATH, "your-study-id", "your-series-id",
  // "your-instance-id");

  // Initialize the client, which will be used to interact with the service.
  CloudHealthcare client = createClient();

  // Create request and configure any parameters.
  Instances.RetrieveInstance request =
      client
          .projects()
          .locations()
          .datasets()
          .dicomStores()
          .studies()
          .series()
          .instances()
          .retrieveInstance(dicomStoreName, dicomWebPath);

  // Execute the request and process the results.
  HttpResponse response = request.executeUnparsed();

  String outputPath = "instance.dcm";
  OutputStream outputStream = new FileOutputStream(new File(outputPath));
  try {
    response.download(outputStream);
    System.out.println("DICOM instance written to file " + outputPath);
  } finally {
    outputStream.close();
  }

  if (!response.isSuccessStatusCode()) {
    System.err.print(
        String.format("Exception retrieving DICOM instance: %s\n", response.getStatusMessage()));
    throw new RuntimeException();
  }
}
 

public static void dicomWebRetrieveStudy(String dicomStoreName, String studyId)
    throws IOException {
  // String dicomStoreName =
  //    String.format(
  //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");
  // String studyId = "your-study-id";

  // Initialize the client, which will be used to interact with the service.
  CloudHealthcare client = createClient();

  // Create request and configure any parameters.
  Studies.RetrieveStudy request =
      client
          .projects()
          .locations()
          .datasets()
          .dicomStores()
          .studies()
          .retrieveStudy(dicomStoreName, "studies/" + studyId);

  // Execute the request and process the results.
  HttpResponse response = request.executeUnparsed();

  // When specifying the output file, use an extension like ".multipart".
  // Then, parse the downloaded multipart file to get each individual
  // DICOM file.
  String outputPath = "study.multipart";
  OutputStream outputStream = new FileOutputStream(new File(outputPath));
  try {
    response.download(outputStream);
    System.out.println("DICOM study written to file " + outputPath);
  } finally {
    outputStream.close();
  }

  if (!response.isSuccessStatusCode()) {
    System.err.print(
        String.format("Exception retrieving DICOM study: %s\n", response.getStatusMessage()));
    throw new RuntimeException();
  }
}
 

public static void dicomWebRetrieveRendered(String dicomStoreName, String dicomWebPath)
    throws IOException {
  // String dicomStoreName =
  //    String.format(
  //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");
  // String dicomWebPath = String.format(DICOMWEB_PATH, "your-study-id", "your-series-id",
  // "your-instance-id");

  // Initialize the client, which will be used to interact with the service.
  CloudHealthcare client = createClient();

  // Create request and configure any parameters.
  Instances.RetrieveRendered request =
      client
          .projects()
          .locations()
          .datasets()
          .dicomStores()
          .studies()
          .series()
          .instances()
          .retrieveRendered(dicomStoreName, dicomWebPath);

  // Execute the request and process the results.
  HttpResponse response = request.executeUnparsed();

  String outputPath = "image.png";
  OutputStream outputStream = new FileOutputStream(new File(outputPath));
  try {
    response.download(outputStream);
    System.out.println("DICOM rendered PNG image written to file " + outputPath);
  } finally {
    outputStream.close();
  }

  if (!response.isSuccessStatusCode()) {
    System.err.print(
        String.format(
            "Exception retrieving DICOM rendered image: %s\n", response.getStatusMessage()));
    throw new RuntimeException();
  }
}