Drive Activity API v1 has reached the end of its deprecation period and is shutting down as announced in December 2018. Migrate to API v2 as soon as possible to avoid disruptions to your application.

Java quickstart

Quickstarts explain how to set up and run an app that calls a Google Workspace API.

Google Workspace quickstarts use the API client libraries to handle some details of the authentication and authorization flow. We recommend that you use the client libraries for your own apps. Before you can run the sample app, each quickstart requires that you turn on authentication and authorization. If you're unfamiliar with authentication and authorization for Google Workspace APIs, read the Authentication and authorization overview.

Create a Java command-line application that makes requests to the Google Drive Activity API.

Objectives

  • Set up your environment.
  • Set up the sample.
  • Run the sample.

Prerequisites

  • A Google Account.

Set up your environment

To complete this quickstart, set up your environment.

Enable the API

Before using Google APIs, you need to enable them in a Google Cloud project. You can enable one or more APIs in a single Google Cloud project.
  • In the Google Cloud console, enable the Google Drive Activity API.

    Enable the API

Authorize credentials for a desktop application

To authenticate as an end user and access user data in your app, you need to create one or more OAuth 2.0 Client IDs. A client ID is used to identify a single app to Google's OAuth servers. If your app runs on multiple platforms, you must create a separate client ID for each platform.
  1. In the Google Cloud console, go to the Credentials page.

    Go to Credentials

  2. Click Create Credentials > OAuth client ID.
  3. Click Application type > Desktop app.
  4. In the Name field, type a name for the credential. This name is only shown in the Google Cloud console.
  5. Click Create. The OAuth client created screen appears, showing your new Client ID and Client secret.
  6. Click OK. The newly created credential appears under OAuth 2.0 Client IDs.
Make a note of these credentials because you need them later in this quickstart.

Prepare the workspace

  1. In your working directory, create a new project structure:

    gradle init --type basic
    mkdir -p src/main/java src/main/resources 
    
  2. In the src/main/resources/ directory, copy the credentials.json file that you previously downloaded.

  3. Open the default build.gradle file and replace its contents with the following code:

    drive/activity-v2/quickstart/build.gradle
    apply plugin: 'java'
    apply plugin: 'application'
    
    mainClassName = 'DriveActivityQuickstart'
    sourceCompatibility = 11
    targetCompatibility = 11
    version = '1.0'
    
    repositories {
        mavenCentral()
    }
    
    dependencies {
        implementation 'com.google.api-client:google-api-client:2.0.0'
        implementation 'com.google.oauth-client:google-oauth-client-jetty:1.34.1'
        implementation 'com.google.apis:google-api-services-driveactivity:v2-rev20210319-2.0.0'
    }
    

Set up the sample

  1. In the src/main/java/ directory, create a new Java file with a name that matches the mainClassName value in your build.gradle file.

  2. Include the following code in your new Java file:

    drive/activity-v2/quickstart/src/main/java/DriveActivityQuickstart.java
    import com.google.api.client.auth.oauth2.Credential;
    import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
    import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
    import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
    import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
    import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
    import com.google.api.client.http.HttpTransport;
    import com.google.api.client.json.JsonFactory;
    import com.google.api.client.json.gson.GsonFactory;
    import com.google.api.client.util.store.FileDataStoreFactory;
    import com.google.api.services.driveactivity.v2.DriveActivityScopes;
    import com.google.api.services.driveactivity.v2.model.*;
    import java.io.FileNotFoundException;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.InputStreamReader;
    import java.util.AbstractMap;
    import java.util.Arrays;
    import java.util.Iterator;
    import java.util.List;
    import java.util.stream.Collectors;
    
    public class DriveActivityQuickstart {
      /**
       * Application name.
       */
      private static final String APPLICATION_NAME = "Drive Activity API Java Quickstart";
    
      /**
       * Directory to store authorization tokens for this application.
       */
      private static final java.io.File DATA_STORE_DIR = new java.io.File("tokens");
      /**
       * Global instance of the JSON factory.
       */
      private static final JsonFactory JSON_FACTORY = GsonFactory.getDefaultInstance();
      /**
       * Global instance of the scopes required by this quickstart.
       *
       * <p>If modifying these scopes, delete your previously saved tokens/ folder.
       */
      private static final List<String> SCOPES =
          Arrays.asList(DriveActivityScopes.DRIVE_ACTIVITY_READONLY);
      private static final String CREDENTIALS_FILE_PATH = "/credentials.json";
      /**
       * Global instance of the {@link FileDataStoreFactory}.
       */
      private static FileDataStoreFactory DATA_STORE_FACTORY;
      /**
       * Global instance of the HTTP transport.
       */
      private static HttpTransport HTTP_TRANSPORT;
    
      static {
        try {
          HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
          DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);
        } catch (Throwable t) {
          t.printStackTrace();
          System.exit(1);
        }
      }
    
      /**
       * Creates an authorized Credential object.
       *
       * @return an authorized Credential object.
       * @throws IOException
       */
      public static Credential authorize() throws IOException {
        // Load client secrets.
        InputStream in = DriveActivityQuickstart.class.getResourceAsStream(CREDENTIALS_FILE_PATH);
        if (in == null) {
          throw new FileNotFoundException("Resource not found: " + CREDENTIALS_FILE_PATH);
        }
        GoogleClientSecrets clientSecrets =
            GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));
    
        // Build flow and trigger user authorization request.
        GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
                .setDataStoreFactory(DATA_STORE_FACTORY)
                .setAccessType("offline")
                .build();
        Credential credential =
            new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver())
                .authorize("user");
        System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
        return credential;
      }
    
      /**
       * Build and return an authorized Drive Activity client service.
       *
       * @return an authorized DriveActivity client service
       * @throws IOException
       */
      public static com.google.api.services.driveactivity.v2.DriveActivity getDriveActivityService()
          throws IOException {
        Credential credential = authorize();
        com.google.api.services.driveactivity.v2.DriveActivity service =
            new com.google.api.services.driveactivity.v2.DriveActivity.Builder(
                HTTP_TRANSPORT, JSON_FACTORY, credential)
                .setApplicationName(APPLICATION_NAME)
                .build();
        return service;
      }
    
      public static void main(String[] args) throws IOException {
        // Build a new authorized API client service.
        com.google.api.services.driveactivity.v2.DriveActivity service = getDriveActivityService();
    
        // Print the recent activity in your Google Drive.
        QueryDriveActivityResponse result =
            service.activity().query(new QueryDriveActivityRequest().setPageSize(10)).execute();
        List<DriveActivity> activities = result.getActivities();
        if (activities == null || activities.size() == 0) {
          System.out.println("No activity.");
        } else {
          System.out.println("Recent activity:");
          for (DriveActivity activity : activities) {
            String time = getTimeInfo(activity);
            String action = getActionInfo(activity.getPrimaryActionDetail());
            List<String> actors =
                activity.getActors().stream()
                    .map(DriveActivityQuickstart::getActorInfo)
                    .collect(Collectors.toList());
            List<String> targets =
                activity.getTargets().stream()
                    .map(DriveActivityQuickstart::getTargetInfo)
                    .collect(Collectors.toList());
            System.out.printf(
                "%s: %s, %s, %s\n", time, truncated(actors), action, truncated(targets));
          }
        }
      }
    
      /**
       * Returns a string representation of the first elements in a list.
       */
      private static String truncated(List<String> array) {
        return truncatedTo(array, 2);
      }
    
      /**
       * Returns a string representation of the first elements in a list.
       */
      private static String truncatedTo(List<String> array, int limit) {
        String contents = array.stream().limit(limit).collect(Collectors.joining(", "));
        String more = array.size() > limit ? ", ..." : "";
        return "[" + contents + more + "]";
      }
    
      /**
       * Returns the name of a set property in an object, or else "unknown".
       */
      private static <T> String getOneOf(AbstractMap<String, T> obj) {
        Iterator<String> iterator = obj.keySet().iterator();
        return iterator.hasNext() ? iterator.next() : "unknown";
      }
    
      /**
       * Returns a time associated with an activity.
       */
      private static String getTimeInfo(DriveActivity activity) {
        if (activity.getTimestamp() != null) {
          return activity.getTimestamp();
        }
        if (activity.getTimeRange() != null) {
          return activity.getTimeRange().getEndTime();
        }
        return "unknown";
      }
    
      /**
       * Returns the type of action.
       */
      private static String getActionInfo(ActionDetail actionDetail) {
        return getOneOf(actionDetail);
      }
    
      /**
       * Returns user information, or the type of user if not a known user.
       */
      private static String getUserInfo(User user) {
        if (user.getKnownUser() != null) {
          KnownUser knownUser = user.getKnownUser();
          Boolean isMe = knownUser.getIsCurrentUser();
          return (isMe != null && isMe) ? "people/me" : knownUser.getPersonName();
        }
        return getOneOf(user);
      }
    
      /**
       * Returns actor information, or the type of actor if not a user.
       */
      private static String getActorInfo(Actor actor) {
        if (actor.getUser() != null) {
          return getUserInfo(actor.getUser());
        }
        return getOneOf(actor);
      }
    
      /**
       * Returns the type of a target and an associated title.
       */
      private static String getTargetInfo(Target target) {
        if (target.getDriveItem() != null) {
          return "driveItem:\"" + target.getDriveItem().getTitle() + "\"";
        }
        if (target.getDrive() != null) {
          return "drive:\"" + target.getDrive().getTitle() + "\"";
        }
        if (target.getFileComment() != null) {
          DriveItem parent = target.getFileComment().getParent();
          if (parent != null) {
            return "fileComment:\"" + parent.getTitle() + "\"";
          }
          return "fileComment:unknown";
        }
        return getOneOf(target);
      }
    }

Run the sample

  1. Run the sample:

    gradle run
    
  2. The first time you run the sample, it prompts you to authorize access:

    1. If you're not already signed in to your Google Account, you're prompted to sign in. If you're signed in to multiple accounts, select one account to use for authorization.
    2. Click Accept.

    Authorization information is stored in the file system, so the next time you run the sample code, you aren't prompted for authorization.

You have successfully created your first Java application that makes requests to the Google Drive Activity API.

Next steps