com.google.api.client.googleapis.javanet.GoogleNetHttpTransport Java Examples

/** Delete this registry from Cloud IoT. */
protected static void deleteRegistry(String cloudRegion, String projectId, String registryName)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String registryPath =
      String.format(
          "projects/%s/locations/%s/registries/%s", projectId, cloudRegion, registryName);

  System.out.println("Deleting: " + registryPath);
  service.projects().locations().registries().delete(registryPath).execute();
}
 

/**
 * Factory method for {@code SearchHelper} objects.
 *
 * @param searchAuthInfo object containing the info to authenticate the impersonated user
 * @param searchApplicationId ID of the serving application linked to the data sourced containing
 *  the items to serving (this is can be obtained from the Admin console)
 * @param rootUrl URL of the Indexing API
 */
public static SearchHelper createSearchHelper(
    SearchAuthInfo searchAuthInfo, String searchApplicationId, Optional<String> rootUrl)
    throws GeneralSecurityException, IOException {
  HttpTransport transport = GoogleNetHttpTransport.newTrustedTransport();
  Credential credential = createCredentials(transport, searchAuthInfo);

  CloudSearch.Builder builder =
      new CloudSearch.Builder(
              transport,
              JSON_FACTORY,
              createChainedHttpRequestInitializer(credential, RETRY_REQUEST_INITIALIZER))
          .setApplicationName(SEARCH_APPLICATION_NAME);
  rootUrl.ifPresent(r -> builder.setRootUrl(r));
  return new SearchHelper(builder.build(), searchApplicationId);
}
 

private static Credentials getUserCredentials(String credentialsPath, List<String> selectedScopes)
    throws IOException, GeneralSecurityException {
  GoogleClientSecrets clientSecrets =
      GoogleClientSecrets.load(
          JSON_FACTORY, new InputStreamReader(new FileInputStream(credentialsPath)));
  String clientId = clientSecrets.getDetails().getClientId();
  String clientSecret = clientSecrets.getDetails().getClientSecret();

  GoogleAuthorizationCodeFlow flow =
      new GoogleAuthorizationCodeFlow.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JSON_FACTORY,
              clientSecrets,
              selectedScopes)
          .setDataStoreFactory(new FileDataStoreFactory(DATA_STORE_DIR))
          .setAccessType("offline")
          .build();
  LocalServerReceiver receiver =
      new LocalServerReceiver.Builder().setPort(LOCAL_RECEIVER_PORT).build();
  Credential credential = new AuthorizationCodeInstalledApp(flow, receiver).authorize("user");
  return UserCredentials.newBuilder()
      .setClientId(clientId)
      .setClientSecret(clientSecret)
      .setRefreshToken(credential.getRefreshToken())
      .build();
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-account-keys")
          .build();
  return service;
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

public static CloudResourceManager initializeService()
    throws IOException, GeneralSecurityException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));

  // Creates the Cloud Resource Manager service object.
  CloudResourceManager service =
      new CloudResourceManager.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

/** Delete this device from Cloud IoT. */
public static void deleteDevice(
    String deviceId, String projectId, String cloudRegion, String registryName)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String devicePath =
      String.format(
          "projects/%s/locations/%s/registries/%s/devices/%s",
          projectId, cloudRegion, registryName, deviceId);

  System.out.println("Deleting device " + devicePath);
  service.projects().locations().registries().devices().delete(devicePath).execute();
}
 

/**
 * Creates a Google Cloud ML Engine backed model.
 *
 * @param id {@link Model.Id} needs to be created with the following format:
 *     <pre>"projects/{PROJECT_ID}/models/{MODEL_ID}"</pre>
 *     or
 *     <pre>"projects/{PROJECT_ID}/models/{MODEL_ID}/versions/{MODEL_VERSION}"</pre>
 */
public static MlEngineModel create(final Model.Id id)
    throws IOException, GeneralSecurityException {
  final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
  final JsonFactory jsonFactory = Utils.getDefaultJsonFactory();
  final GoogleCredential credential =
      GoogleCredential.getApplicationDefault()
          .createScoped(CloudMachineLearningEngineScopes.all());

  final CloudMachineLearningEngine mlEngine =
      new CloudMachineLearningEngine.Builder(httpTransport, jsonFactory, credential)
          .setApplicationName(APPLICATION_NAME)
          .build();

  return new AutoValue_MlEngineModel(id, mlEngine, httpTransport);
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

private static Storage buildService() throws IOException, GeneralSecurityException {
  HttpTransport transport = GoogleNetHttpTransport.newTrustedTransport();
  JsonFactory jsonFactory = new JacksonFactory();
  GoogleCredentials credential = GoogleCredentials.getApplicationDefault();

  // Depending on the environment that provides the default credentials (for
  // example: Compute Engine, App Engine), the credentials may require us to
  // specify the scopes we need explicitly.  Check for this case, and inject
  // the Cloud Storage scope if required.
  if (credential.createScopedRequired()) {
    Collection<String> scopes = StorageScopes.all();
    credential = credential.createScoped(scopes);
  }

  return new Storage.Builder(transport, jsonFactory, new HttpCredentialsAdapter(credential))
      .setApplicationName("GCS Samples")
      .build();
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

private void initializeCloudIoT() {
  projectPath = "projects/" + projectId + "/locations/" + cloudRegion;
  try {
    System.err.println("Initializing with default credentials...");
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
    cloudIotService =
        new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
            .setApplicationName("com.google.iot.bos")
            .build();
    cloudIotRegistries = cloudIotService.projects().locations().registries();
    System.err.println("Created service for project " + projectPath);
  } catch (Exception e) {
    throw new RuntimeException("While initializing Cloud IoT project " + projectPath, e);
  }
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-account-keys")
          .build();
  return service;
}
 

/** Retrieves registry metadata from a project. * */
protected static DeviceRegistry getRegistry(
    String projectId, String cloudRegion, String registryName)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String registryPath =
      String.format(
          "projects/%s/locations/%s/registries/%s", projectId, cloudRegion, registryName);

  return service.projects().locations().registries().get(registryPath).execute();
}
 

public static CloudResourceManager createCloudResourceManagerService()
    throws IOException, GeneralSecurityException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));

  CloudResourceManager service =
      new CloudResourceManager.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

public static CloudResourceManager createCloudResourceManagerService()
    throws IOException, GeneralSecurityException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));

  CloudResourceManager service =
      new CloudResourceManager.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

/** Retrieves device metadata from a registry. * */
protected static List<DeviceState> getDeviceStates(
    String deviceId, String projectId, String cloudRegion, String registryName)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String devicePath =
      String.format(
          "projects/%s/locations/%s/registries/%s/devices/%s",
          projectId, cloudRegion, registryName, deviceId);

  System.out.println("Retrieving device states " + devicePath);

  ListDeviceStatesResponse resp =
      service.projects().locations().registries().devices().states().list(devicePath).execute();

  return resp.getDeviceStates();
}
 

/**
 * Return the Projects api object used for accessing the Cloud Resource Manager Projects API.
 * @return Projects api object used for accessing the Cloud Resource Manager Projects API
 * @throws GeneralSecurityException Thrown if there's a permissions error.
 * @throws IOException Thrown if there's an IO error initializing the API object.
 */
public static synchronized Projects getProjectsApiStub()
    throws GeneralSecurityException, IOException {
  if (projectApiStub != null) {
    return projectApiStub;
  }
  HttpTransport transport;
  GoogleCredential credential;
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  transport = GoogleNetHttpTransport.newTrustedTransport();
  credential = GoogleCredential.getApplicationDefault(transport, jsonFactory);
  if (credential.createScopedRequired()) {
    Collection<String> scopes = CloudResourceManagerScopes.all();
    credential = credential.createScoped(scopes);
  }
  projectApiStub = new CloudResourceManager
      .Builder(transport, jsonFactory, credential)
      .build()
      .projects();
  return projectApiStub;
}
 

/**
 * Get the API stub for accessing the IAM Service Accounts API.
 * @return ServiceAccounts api stub for accessing the IAM Service Accounts API.
 * @throws IOException Thrown if there's an IO error initializing the api connection.
 * @throws GeneralSecurityException Thrown if there's a security error
 * initializing the connection.
 */
public static ServiceAccounts getServiceAccountsApiStub() throws IOException, GeneralSecurityException {
  if (serviceAccountsApiStub == null) {
    HttpTransport transport;
    GoogleCredential credential;
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    transport = GoogleNetHttpTransport.newTrustedTransport();
    credential = GoogleCredential.getApplicationDefault(transport, jsonFactory);
    if (credential.createScopedRequired()) {
      Collection<String> scopes = IamScopes.all();
      credential = credential.createScoped(scopes);
    }
    serviceAccountsApiStub = new Iam.Builder(transport, jsonFactory, credential)
        .build()
        .projects()
        .serviceAccounts();
  }
  return serviceAccountsApiStub;
}
 

public static CloudResourceManager createCloudResourceManagerService()
    throws IOException, GeneralSecurityException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));

  CloudResourceManager service =
      new CloudResourceManager.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

private static Iam initService() throws GeneralSecurityException, IOException {
  // Use the Application Default Credentials strategy for authentication. For more info, see:
  // https://cloud.google.com/docs/authentication/production#finding_credentials_automatically
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(IamScopes.CLOUD_PLATFORM));
  // Initialize the IAM service, which can be used to send requests to the IAM API.
  Iam service =
      new Iam.Builder(
              GoogleNetHttpTransport.newTrustedTransport(),
              JacksonFactory.getDefaultInstance(),
              new HttpCredentialsAdapter(credential))
          .setApplicationName("service-accounts")
          .build();
  return service;
}
 

/** Delete the given device from the registry. */
protected static void deleteDevice(
    String deviceId, String projectId, String cloudRegion, String registryName)
    throws GeneralSecurityException, IOException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(CloudIotScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  HttpRequestInitializer init = new HttpCredentialsAdapter(credential);
  final CloudIot service =
      new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory, init)
          .setApplicationName(APP_NAME)
          .build();

  final String devicePath =
      String.format(
          "projects/%s/locations/%s/registries/%s/devices/%s",
          projectId, cloudRegion, registryName, deviceId);

  System.out.println("Deleting device " + devicePath);
  service.projects().locations().registries().devices().delete(devicePath).execute();
}
 

/**
 * Method to create the service or get the service if is already created.
 *
 * @author <a href="mailto:[email protected]"> João Felipe de Medeiros Moreira </a>
 * @since 13/10/2015
 *
 * @return the Storage service already created.
 *
 * @throws IOException in case a IO problem.
 * @throws GeneralSecurityException in case a security problem.
 */
private static Storage getService() throws IOException, GeneralSecurityException {
  logger.finest("###### Getting the storage service");
  if (null == storageService) {
    HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    GoogleCredential credential = GoogleCredential.getApplicationDefault();
    // Depending on the environment that provides the default credentials (e.g. Compute Engine,
    // App Engine), the credentials may require us to specify the scopes we need explicitly.
    // Check for this case, and inject the Cloud Storage scope if required.
    if (credential.createScopedRequired()) {
      credential = credential.createScoped(StorageScopes.all());
    }
    storageService = new Storage.Builder(httpTransport, JSON_FACTORY, credential)
        .setApplicationName(APPLICATION_NAME).build();
  }
  return storageService;
}
 

private static ServiceAccountKeyManager createServiceAccountKeyManager() {
  try {
    final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    final JsonFactory jsonFactory = Utils.getDefaultJsonFactory();
    final GoogleCredential credential = GoogleCredential
        .getApplicationDefault(httpTransport, jsonFactory)
        .createScoped(IamScopes.all());
    final Iam iam = new Iam.Builder(
        httpTransport, jsonFactory, credential)
        .setApplicationName(SERVICE_NAME)
        .build();
    return new ServiceAccountKeyManager(iam);
  } catch (GeneralSecurityException | IOException e) {
    throw new RuntimeException(e);
  }
}
 

private static SQLAdmin createAdminApiClient(HttpRequestInitializer requestInitializer) {
  HttpTransport httpTransport;
  try {
    httpTransport = GoogleNetHttpTransport.newTrustedTransport();
  } catch (GeneralSecurityException | IOException err) {
    throw new RuntimeException("Unable to initialize HTTP transport", err);
  }

  String rootUrl = System.getProperty(API_ROOT_URL_PROPERTY);
  String servicePath = System.getProperty(API_SERVICE_PATH_PROPERTY);

  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  SQLAdmin.Builder adminApiBuilder =
      new Builder(httpTransport, jsonFactory, requestInitializer)
          .setApplicationName(getUserAgents());
  if (rootUrl != null) {
    logTestPropertyWarning(API_ROOT_URL_PROPERTY);
    adminApiBuilder.setRootUrl(rootUrl);
  }
  if (servicePath != null) {
    logTestPropertyWarning(API_SERVICE_PATH_PROPERTY);
    adminApiBuilder.setServicePath(servicePath);
  }
  return adminApiBuilder.build();
}
 

/**
     * Setup authorization for local app based on private key.
     * See <a href="https://cloud.google.com/pubsub/configure">cloud.google.com/pubsub/configure</a>
     */
    private void createClient(String private_key_file, String email) throws IOException, GeneralSecurityException {
        HttpTransport transport = GoogleNetHttpTransport.newTrustedTransport();
        GoogleCredential credential = new GoogleCredential.Builder()
                .setTransport(transport)
                .setJsonFactory(JSON_FACTORY)
                .setServiceAccountScopes(PubsubScopes.all())
                .setServiceAccountId(email)
                .setServiceAccountPrivateKeyFromP12File(new File(private_key_file))
                .build();
        // Please use custom HttpRequestInitializer for automatic retry upon failures.
//        HttpRequestInitializer initializer = new RetryHttpInitializerWrapper(credential);
        pubsub = new Pubsub.Builder(transport, JSON_FACTORY, credential)
                .setApplicationName("eaipubsub")
                .build();
    }
 

/**
 * Fetches the listing of the given bucket.
 *
 * @param bucketName the name of the bucket to list.
 * @return the raw XML containing the listing of the bucket.
 * @throws IOException if there's an error communicating with Cloud Storage.
 * @throws GeneralSecurityException for errors creating https connection.
 */
public static String listBucket(final String bucketName)
    throws IOException, GeneralSecurityException {
  // [START snippet]
  // Build an account credential.
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault()
          .createScoped(Collections.singleton(STORAGE_SCOPE));

  // Set up and execute a Google Cloud Storage request.
  String uri = "https://storage.googleapis.com/" + URLEncoder.encode(bucketName, "UTF-8");

  HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
  HttpRequestFactory requestFactory =
      httpTransport.createRequestFactory(new HttpCredentialsAdapter(credential));
  GenericUrl url = new GenericUrl(uri);

  HttpRequest request = requestFactory.buildGetRequest(url);
  HttpResponse response = request.execute();
  String content = response.parseAsString();
  // [END snippet]

  return content;
}
 

/** Connects to the Vision API using Application Default Credentials. */
public static Vision getVisionService() throws IOException, GeneralSecurityException {
  GoogleCredentials credential =
      GoogleCredentials.getApplicationDefault().createScoped(VisionScopes.all());
  JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
  return new Vision.Builder(
          GoogleNetHttpTransport.newTrustedTransport(),
          jsonFactory,
          new HttpCredentialsAdapter(credential))
      .setApplicationName(APPLICATION_NAME)
      .build();
}
 

@Override
public Storage getClient() throws Exception {
    Credential credential = authorize();
    HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
    return new Storage.Builder(httpTransport, JSON_FACTORY, credential)
            .setApplicationName(APPLICATION_NAME).build();
}