Example usage for com.google.api.client.googleapis.auth.oauth2 GoogleCredential getApplicationDefault

Introduction

In this page you can find the example usage for com.google.api.client.googleapis.auth.oauth2 GoogleCredential getApplicationDefault.

Prototype

@Beta
public static GoogleCredential getApplicationDefault() throws IOException 

Source Link

Document

Beta
Returns the Application Default Credentials.

Usage

From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

/**
 * Construct the singleton, with derived auth information. The Firebase database url is derived
 * from the snippet that we provide to the client code, to guarantee that the client and the
 * server are communicating with the same Firebase database. The auth credentials we'll use to
 * communicate with Firebase is derived from App Engine's default credentials, and given
 * Firebase's OAuth scopes.//from w  w w .j  ava2s  . c  om
 */
private FirebaseChannel() {
    try {
        // This variables exist primarily so it can be stubbed out in unit tests.
        if (null == firebaseConfigStream) {
            firebaseConfigStream = new FileInputStream(FIREBASE_SNIPPET_PATH);
        }

        String firebaseSnippet = CharStreams
                .toString(new InputStreamReader(firebaseConfigStream, StandardCharsets.UTF_8));
        firebaseDbUrl = parseFirebaseUrl(firebaseSnippet);

        credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
        httpTransport = UrlFetchTransport.getDefaultInstance();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

public HttpResponse firebasePut(String path, Object object) throws IOException {
    // Make requests auth'ed using Application Default Credentials
    Credential credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
    HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);

    String json = new Gson().toJson(object);
    GenericUrl url = new GenericUrl(path);

    return requestFactory.buildPutRequest(url, new ByteArrayContent("application/json", json.getBytes()))
            .execute();/*from   www.j ava2 s. c  o m*/
}

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From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

public HttpResponse firebasePatch(String path, Object object) throws IOException {
    // Make requests auth'ed using Application Default Credentials
    Credential credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
    HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);

    String json = new Gson().toJson(object);
    GenericUrl url = new GenericUrl(path);

    return requestFactory.buildPatchRequest(url, new ByteArrayContent("application/json", json.getBytes()))
            .execute();/*from ww  w  .  j a v  a 2s. c  o  m*/
}

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From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

public HttpResponse firebasePost(String path, Object object) throws IOException {
    // Make requests auth'ed using Application Default Credentials
    Credential credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
    HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);

    String json = new Gson().toJson(object);
    GenericUrl url = new GenericUrl(path);

    return requestFactory.buildPostRequest(url, new ByteArrayContent("application/json", json.getBytes()))
            .execute();/*from   w w  w .  j  av  a  2 s  . co  m*/
}

---

From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

public HttpResponse firebaseGet(String path) throws IOException {
    // Make requests auth'ed using Application Default Credentials
    Credential credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
    HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);

    GenericUrl url = new GenericUrl(path);

    return requestFactory.buildGetRequest(url).execute();
}

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From source file:com.example.appengine.firetactoe.FirebaseChannel.java

License:Open Source License

public HttpResponse firebaseDelete(String path) throws IOException {
    // Make requests auth'ed using Application Default Credentials
    Credential credential = GoogleCredential.getApplicationDefault().createScoped(FIREBASE_SCOPES);
    HttpRequestFactory requestFactory = httpTransport.createRequestFactory(credential);

    GenericUrl url = new GenericUrl(path);

    return requestFactory.buildDeleteRequest(url).execute();
}

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From source file:com.example.bigquery.LabelsSample.java

License:Apache License

/**
 * Add or modify a label on a dataset./*from   www.  j  a va  2s  . co  m*/
 *
 * <p>See <a href="https://cloud.google.com/bigquery/docs/labeling-datasets">the BigQuery
 * documentation</a>.
 */
public static void labelDataset(String projectId, String datasetId, String labelKey, String labelValue)
        throws IOException {

    // Authenticate requests using Google Application Default credentials.
    GoogleCredential credential = GoogleCredential.getApplicationDefault();
    credential = credential.createScoped(Arrays.asList("https://www.googleapis.com/auth/bigquery"));

    // Get a new access token.
    // Note that access tokens have an expiration. You can reuse a token rather than requesting a
    // new one if it is not yet expired.
    credential.refreshToken();
    String accessToken = credential.getAccessToken();

    // Set the content of the request.
    Dataset dataset = new Dataset();
    dataset.addLabel(labelKey, labelValue);
    HttpContent content = new JsonHttpContent(JSON_FACTORY, dataset);

    // Send the request to the BigQuery API.
    String urlFormat = "https://www.googleapis.com/bigquery/v2/projects/%s/datasets/%s"
            + "?fields=labels&access_token=%s";
    GenericUrl url = new GenericUrl(String.format(urlFormat, projectId, datasetId, accessToken));
    HttpRequestFactory requestFactory = HTTP_TRANSPORT.createRequestFactory();
    HttpRequest request = requestFactory.buildPostRequest(url, content);
    request.setParser(JSON_FACTORY.createJsonObjectParser());

    // Workaround for transports which do not support PATCH requests.
    // See: http://stackoverflow.com/a/32503192/101923
    request.setHeaders(new HttpHeaders().set("X-HTTP-Method-Override", "PATCH"));
    HttpResponse response = request.execute();

    // Check for errors.
    if (response.getStatusCode() != 200) {
        throw new RuntimeException(response.getStatusMessage());
    }

    Dataset responseDataset = response.parseAs(Dataset.class);
    System.out.printf("Updated label \"%s\" with value \"%s\"\n", labelKey,
            responseDataset.getLabels().get(labelKey));
}

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From source file:com.example.bigquery.LabelsSample.java

License:Apache License

/**
 * Add or modify a label on a table./* ww  w.  j av a2s . c o m*/
 *
 * <p>See <a href="https://cloud.google.com/bigquery/docs/labeling-datasets">the BigQuery
 * documentation</a>.
 */
public static void labelTable(String projectId, String datasetId, String tableId, String labelKey,
        String labelValue) throws IOException {

    // Authenticate requests using Google Application Default credentials.
    GoogleCredential credential = GoogleCredential.getApplicationDefault();
    credential = credential.createScoped(Arrays.asList("https://www.googleapis.com/auth/bigquery"));

    // Get a new access token.
    // Note that access tokens have an expiration. You can reuse a token rather than requesting a
    // new one if it is not yet expired.
    credential.refreshToken();
    String accessToken = credential.getAccessToken();

    // Set the content of the request.
    Table table = new Table();
    table.addLabel(labelKey, labelValue);
    HttpContent content = new JsonHttpContent(JSON_FACTORY, table);

    // Send the request to the BigQuery API.
    String urlFormat = "https://www.googleapis.com/bigquery/v2/projects/%s/datasets/%s/tables/%s"
            + "?fields=labels&access_token=%s";
    GenericUrl url = new GenericUrl(String.format(urlFormat, projectId, datasetId, tableId, accessToken));
    HttpRequestFactory requestFactory = HTTP_TRANSPORT.createRequestFactory();
    HttpRequest request = requestFactory.buildPostRequest(url, content);
    request.setParser(JSON_FACTORY.createJsonObjectParser());

    // Workaround for transports which do not support PATCH requests.
    // See: http://stackoverflow.com/a/32503192/101923
    request.setHeaders(new HttpHeaders().set("X-HTTP-Method-Override", "PATCH"));
    HttpResponse response = request.execute();

    // Check for errors.
    if (response.getStatusCode() != 200) {
        throw new RuntimeException(response.getStatusMessage());
    }

    Table responseTable = response.parseAs(Table.class);
    System.out.printf("Updated label \"%s\" with value \"%s\"\n", labelKey,
            responseTable.getLabels().get(labelKey));
}

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From source file:com.example.cloud.iot.examples.DeviceRegistryExample.java

License:Apache License

/** Create a registry for Cloud IoT. */
public static void createRegistry(String cloudRegion, String projectId, String registryName,
        String pubsubTopicPath) throws GeneralSecurityException, IOException {
    GoogleCredential credential = GoogleCredential.getApplicationDefault().createScoped(CloudIotScopes.all());
    JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();
    HttpRequestInitializer init = new RetryHttpInitializerWrapper(credential);
    final CloudIot service = new CloudIot.Builder(GoogleNetHttpTransport.newTrustedTransport(), jsonFactory,
            init).setApplicationName(APP_NAME).build();

    final String projectPath = "projects/" + projectId + "/locations/" + cloudRegion;
    final String fullPubsubPath = "projects/" + projectId + "/topics/" + pubsubTopicPath;

    DeviceRegistry registry = new DeviceRegistry();
    EventNotificationConfig notificationConfig = new EventNotificationConfig();
    notificationConfig.setPubsubTopicName(fullPubsubPath);
    List<EventNotificationConfig> notificationConfigs = new ArrayList<EventNotificationConfig>();
    notificationConfigs.add(notificationConfig);
    registry.setEventNotificationConfigs(notificationConfigs);
    registry.setId(registryName);//w ww .j  av a2 s .  c  om

    DeviceRegistry reg = service.projects().locations().registries().create(projectPath, registry).execute();
    System.out.println("Created registry: " + reg.getName());
}

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From source file:com.example.cloud.iot.examples.DeviceRegistryExample.java

License:Apache License

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

    String projectPath = "projects/" + projectId + "/locations/" + cloudRegion;
    String registryPath = projectPath + "/registries/" + registryName;

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

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