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Adding java quickstart for Drive Activity v2 API.
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‎drive/activity-v2/quickstart/build.gradle‎

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apply plugin: 'java'
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apply plugin: 'application'
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mainClassName = 'DriveActivityQuickstart'
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sourceCompatibility = 1.8
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targetCompatibility = 1.8
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version = '1.0'
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repositories {
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mavenCentral()
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}
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dependencies {
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compile 'com.google.api-client:google-api-client:1.27.0'
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compile 'com.google.oauth-client:google-oauth-client-jetty:1.27.0'
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compile 'com.google.apis:google-api-services-driveactivity:v2-rev20181113-1.27.0'
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}

‎drive/activity-v2/quickstart/src/main/java/DriveActivityQuickstart.java‎

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import com.google.api.client.auth.oauth2.Credential;
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import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
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import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
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import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
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import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
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import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
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import com.google.api.client.http.HttpTransport;
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import com.google.api.client.json.JsonFactory;
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import com.google.api.client.json.jackson2.JacksonFactory;
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import com.google.api.client.util.store.FileDataStoreFactory;
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import com.google.api.services.driveactivity.v2.DriveActivityScopes;
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import com.google.api.services.driveactivity.v2.model.*;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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public class DriveActivityQuickstart {
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/** Application name. */
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private static final String APPLICATION_NAME = "G Suite Activity API Java Quickstart";
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/** Directory to store authorization tokens for this application. */
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private static final java.io.File DATA_STORE_DIR = new java.io.File("tokens");
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/** Global instance of the {@link FileDataStoreFactory}. */
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private static FileDataStoreFactory DATA_STORE_FACTORY;
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/** Global instance of the JSON factory. */
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private static final JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
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/** Global instance of the HTTP transport. */
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private static HttpTransport HTTP_TRANSPORT;
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/**
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* Global instance of the scopes required by this quickstart.
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*
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* <p>If modifying these scopes, delete your previously saved credentials at
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* ~/.credentials/driveactivity-java-quickstart
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*/
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private static final List<String> SCOPES =
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Arrays.asList(DriveActivityScopes.DRIVE_ACTIVITY_READONLY);
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static {
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try {
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HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
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DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);
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} catch (Throwable t) {
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t.printStackTrace();
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System.exit(1);
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}
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}
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/**
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* Creates an authorized Credential object.
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*
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* @return an authorized Credential object.
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* @throws IOException
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*/
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public static Credential authorize() throws IOException {
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// Load client secrets.
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InputStream in = DriveActivityQuickstart.class.getResourceAsStream("/credentials.json");
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GoogleClientSecrets clientSecrets =
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GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));
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// Build flow and trigger user authorization request.
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GoogleAuthorizationCodeFlow flow =
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new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
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.setDataStoreFactory(DATA_STORE_FACTORY)
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.setAccessType("offline")
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.build();
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Credential credential =
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new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
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System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
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return credential;
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}
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/**
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* Build and return an authorized Drive Activity client service.
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*
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* @return an authorized DriveActivity client service
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* @throws IOException
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*/
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public static com.google.api.services.driveactivity.v2.DriveActivity getDriveActivityService()
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throws IOException {
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Credential credential = authorize();
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return new com.google.api.services.driveactivity.v2.DriveActivity.Builder(
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HTTP_TRANSPORT, JSON_FACTORY, credential)
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.setApplicationName(APPLICATION_NAME)
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.build();
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}
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public static void main(String[] args) throws IOException {
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// Build a new authorized API client service.
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com.google.api.services.driveactivity.v2.DriveActivity service = getDriveActivityService();
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// Print the recent activity in your Google Drive.
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QueryDriveActivityResponse result =
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service
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.activity()
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.query(
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new QueryDriveActivityRequest()
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.setPageSize(10)
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.setConsolidationStrategy(new ConsolidationStrategy().setLegacy(new Legacy())))
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.execute();
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List<DriveActivity> activities = result.getActivities();
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if (activities == null || activities.size() == 0) {
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System.out.println("No activity.");
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} else {
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System.out.println("Recent activity:");
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for (DriveActivity activity : activities) {
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String time = getTimeInfo(activity);
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String action = getActionInfo(activity.getPrimaryActionDetail());
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List<String> actors =
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activity.getActors().stream()
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.map(DriveActivityQuickstart::getActorInfo)
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.collect(Collectors.toList());
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List<String> targets =
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activity.getTargets().stream()
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.map(DriveActivityQuickstart::getTargetInfo)
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.collect(Collectors.toList());
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System.out.printf("%s: %s, %s, %s\n", time, truncated(actors), action, truncated(targets));
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}
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}
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}
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private static String truncated(List<String> array) {
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return truncated(array, 2);
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}
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private static String truncated(List<String> array, int limit) {
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String contents = array.stream().limit(limit).collect(Collectors.joining(", "));
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String more = array.size() > limit ? ", ..." : "";
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return "[" + contents + more + "]";
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}
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private static String getTimeInfo(DriveActivity activity) {
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if (activity.getTimestamp() != null) {
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return activity.getTimestamp();
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}
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if (activity.getTimeRange() != null) {
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return activity.getTimeRange().getEndTime();
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}
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return "unknown";
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}
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private static String getActionInfo(ActionDetail actionDetail) {
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return actionDetail.keySet().iterator().next();
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}
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private static String getUserInfo(User user) {
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if (user.getKnownUser() != null) {
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KnownUser knownUser = user.getKnownUser();
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Boolean isMe = knownUser.getIsCurrentUser();
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return (isMe != null && isMe) ? "people/me" : knownUser.getPersonName();
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}
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return user.keySet().iterator().next();
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}
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private static String getActorInfo(Actor actor) {
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if (actor.getUser() != null) {
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return getUserInfo(actor.getUser());
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}
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return actor.keySet().iterator().next();
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}
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private static String getTargetInfo(Target target) {
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if (target.getDriveItem() != null) {
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return "driveItem:\"" + target.getDriveItem().getTitle() + "\"";
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}
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if (target.getTeamDrive() != null) {
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return "teamDrive:\"" + target.getTeamDrive().getTitle() + "\"";
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}
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if (target.getFileComment() != null) {
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DriveItem parent = target.getFileComment().getParent();
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if (parent != null) {
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return "fileComment:\"" + parent.getTitle() + "\"";
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}
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return "fileComment:unknown";
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}
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return target.keySet().iterator().next();
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}
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}

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