use of com.google.api.services.discovery.Discovery in project java-docs-samples by GoogleCloudPlatform.
the class OnlinePredictionSample method main.
public static void main(String[] args) throws Exception {
HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
Discovery discovery = new Discovery.Builder(httpTransport, jsonFactory, null).build();
RestDescription api = discovery.apis().getRest("ml", "v1").execute();
RestMethod method = api.getResources().get("projects").getMethods().get("predict");
JsonSchema param = new JsonSchema();
String projectId = "YOUR_PROJECT_ID";
// You should have already deployed a model and a version.
// For reference, see https://cloud.google.com/ml-engine/docs/deploying-models.
String modelId = "YOUR_MODEL_ID";
String versionId = "YOUR_VERSION_ID";
param.set("name", String.format("projects/%s/models/%s/versions/%s", projectId, modelId, versionId));
GenericUrl url = new GenericUrl(UriTemplate.expand(api.getBaseUrl() + method.getPath(), param, true));
System.out.println(url);
String contentType = "application/json";
File requestBodyFile = new File("input.txt");
HttpContent content = new FileContent(contentType, requestBodyFile);
System.out.println(content.getLength());
GoogleCredential credential = GoogleCredential.getApplicationDefault();
HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);
HttpRequest request = requestFactory.buildRequest(method.getHttpMethod(), url, content);
String response = request.execute().parseAsString();
System.out.println(response);
}
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