com.google.cloud.vision.v1.ImageAnnotatorSettings Java Examples

private GoogleVisionCache() {
    if (null == GOOGLE_SETTINGS.getCredentialFilePath()) {
        LOG.warn("File path of Google Credentials not configured. Bypassing all analysis requests.");
        this.imageAnnotatorSettings = null;
    } else {
        try (final FileInputStream fis = new FileInputStream(GOOGLE_SETTINGS.getCredentialFilePath())) {
            final GoogleCredentials credentials = GoogleCredentials.fromStream(fis);
            this.imageAnnotatorSettings = ImageAnnotatorSettings.newBuilder().setCredentialsProvider(() -> credentials).build();
        } catch (final IOException ex) {
            LOG.error(ex, ex);
            throw new IllegalStateException("Failed loading Google Credentials from '" + GOOGLE_SETTINGS.getCredentialFilePath() + "'", ex);
        }
    }

    cache = CacheManagerProvider.getCache(
            "googleVision",
            String.class,
            ImageContentAnalysis.class);
}
 

@Bean
@ConditionalOnMissingBean
public ImageAnnotatorClient imageAnnotatorClient() throws IOException {
	ImageAnnotatorSettings clientSettings = ImageAnnotatorSettings.newBuilder()
			.setCredentialsProvider(this.credentialsProvider)
			.build();

	return ImageAnnotatorClient.create(clientSettings);
}
 

public static void setEndpoint() throws IOException {
  // [START vision_set_endpoint]
  ImageAnnotatorSettings settings =
      ImageAnnotatorSettings.newBuilder().setEndpoint("eu-vision.googleapis.com:443").build();

  // Initialize client that will be used to send requests. This client only needs to be created
  // once, and can be reused for multiple requests. After completing all of your requests, call
  // the "close" method on the client to safely clean up any remaining background resources.
  ImageAnnotatorClient client = ImageAnnotatorClient.create(settings);
  // [END vision_set_endpoint]

  ImageSource imgSource =
      ImageSource.newBuilder()
          .setGcsImageUri("gs://cloud-samples-data/vision/text/screen.jpg")
          .build();
  Image image = Image.newBuilder().setSource(imgSource).build();
  Feature feature = Feature.newBuilder().setType(Feature.Type.TEXT_DETECTION).build();
  AnnotateImageRequest request =
      AnnotateImageRequest.newBuilder().addFeatures(feature).setImage(image).build();
  List<AnnotateImageRequest> requests = new ArrayList<>();
  requests.add(request);

  BatchAnnotateImagesResponse batchResponse = client.batchAnnotateImages(requests);

  for (AnnotateImageResponse response : batchResponse.getResponsesList()) {
    for (EntityAnnotation annotation : response.getTextAnnotationsList()) {
      System.out.format("Text: %s%n", annotation.getDescription());
      System.out.println("Position:");
      System.out.format("%s%n", annotation.getBoundingPoly());
    }
  }
  client.close();
}
 

/**
 * Configure the Cloud Vision API client {@link ImageAnnotatorClient}. The
 * spring-cloud-gcp-starter autowires a {@link CredentialsProvider} object that provides
 * the GCP credentials, required to authenticate and authorize Vision API calls.
 * <p>Cloud Vision API client implements {@link AutoCloseable}, which is automatically
 * honored by Spring bean lifecycle.
 * <p>Most of the Google Cloud API clients are thread-safe heavy objects. I.e., it's better
 * to produce a singleton and re-using the client object for multiple requests.
 * @return a Cloud Vision API client
 * @throws IOException if an exception occurs creating the ImageAnnotatorClient
 */
@Bean
@ConditionalOnMissingBean
public ImageAnnotatorClient imageAnnotatorClient() throws IOException {
	ImageAnnotatorSettings clientSettings = ImageAnnotatorSettings.newBuilder()
			.setCredentialsProvider(this.credentialsProvider)
			.setHeaderProvider(new UserAgentHeaderProvider(CloudVisionAutoConfiguration.class))
			.build();

	return ImageAnnotatorClient.create(clientSettings);
}