Examples with ContinuationData org.datatransferproject.spi.transfer.types.ContinuationData used on opensource projects

Example 46 with ContinuationData

use of org.datatransferproject.spi.transfer.types.ContinuationData in project data-transfer-project by google.

the class GoogleCalendarExporter method getCalendarEvents.

private ExportResult<CalendarContainerResource> getCalendarEvents(TokensAndUrlAuthData authData, String id, Optional<PaginationData> pageData) {
    Calendar.Events.List listRequest;
    Events listResult;
    // Get event information
    try {
        listRequest = getOrCreateCalendarInterface(authData).events().list(id).setMaxAttendees(GoogleStaticObjects.MAX_ATTENDEES);
        if (pageData.isPresent()) {
            StringPaginationToken paginationToken = (StringPaginationToken) pageData.get();
            Preconditions.checkState(paginationToken.getToken().startsWith(EVENT_TOKEN_PREFIX), "Token is not applicable");
            listRequest.setPageToken(((StringPaginationToken) pageData.get()).getToken().substring(EVENT_TOKEN_PREFIX.length()));
        }
        listResult = listRequest.execute();
    } catch (IOException e) {
        return new ExportResult<>(e);
    }
    // Set up continuation data
    PaginationData nextPageData = null;
    if (listResult.getNextPageToken() != null) {
        nextPageData = new StringPaginationToken(EVENT_TOKEN_PREFIX + listResult.getNextPageToken());
    }
    ContinuationData continuationData = new ContinuationData(nextPageData);
    // Process event list
    List<CalendarEventModel> eventModels = new ArrayList<>(listResult.getItems().size());
    for (Event eventData : listResult.getItems()) {
        CalendarEventModel model = convertToCalendarEventModel(id, eventData);
        eventModels.add(model);
    }
    CalendarContainerResource calendarContainerResource = new CalendarContainerResource(null, eventModels);
    // Get result type
    ExportResult.ResultType resultType = ResultType.CONTINUE;
    if (nextPageData == null) {
        resultType = ResultType.END;
    }
    return new ExportResult<>(resultType, calendarContainerResource, continuationData);
}

Example 47 with ContinuationData

use of org.datatransferproject.spi.transfer.types.ContinuationData in project data-transfer-project by google.

the class GoogleContactsExporter method exportContacts.

private ExportResult<ContactsModelWrapper> exportContacts(TokensAndUrlAuthData authData, Optional<PaginationData> pageData) {
    try {
        // Set up connection
        Connections.List connectionsListRequest = getOrCreatePeopleService(authData).people().connections().list(SELF_RESOURCE);
        // Get next page, if we have a page token
        if (pageData.isPresent()) {
            StringPaginationToken paginationToken = (StringPaginationToken) pageData.get();
            connectionsListRequest.setPageToken(paginationToken.getToken());
        }
        // Get list of connections (nb: not a list containing full info of each Person)
        ListConnectionsResponse response = connectionsListRequest.setPersonFields(PERSON_FIELDS).execute();
        List<Person> peopleList = response.getConnections();
        // Get list of resource names, then get list of Persons
        List<String> resourceNames = peopleList.stream().map(Person::getResourceName).collect(Collectors.toList());
        GetPeopleResponse batchResponse = getOrCreatePeopleService(authData).people().getBatchGet().setResourceNames(resourceNames).setPersonFields(PERSON_FIELDS).execute();
        List<PersonResponse> personResponseList = batchResponse.getResponses();
        // Convert Persons to VCards
        List<VCard> vCards = personResponseList.stream().map(a -> convert(a.getPerson())).collect(Collectors.toList());
        // Determine if there's a next page
        StringPaginationToken nextPageData = null;
        if (response.getNextPageToken() != null) {
            nextPageData = new StringPaginationToken(response.getNextPageToken());
        }
        ContinuationData continuationData = new ContinuationData(nextPageData);
        ContactsModelWrapper wrapper = new ContactsModelWrapper(makeVCardString(vCards));
        // Get result type
        ResultType resultType = ResultType.CONTINUE;
        if (nextPageData == null) {
            resultType = ResultType.END;
        }
        return new ExportResult<ContactsModelWrapper>(resultType, wrapper, continuationData);
    } catch (IOException e) {
        return new ExportResult<ContactsModelWrapper>(e);
    }
}

Example 48 with ContinuationData

use of org.datatransferproject.spi.transfer.types.ContinuationData in project data-transfer-project by google.

the class FlickrPhotosExporter method getAlbums.

private ExportResult<PhotosContainerResource> getAlbums(PaginationData paginationData, Auth auth) {
    ImmutableList.Builder<PhotoAlbum> albumBuilder = ImmutableList.builder();
    List<IdOnlyContainerResource> subResources = new ArrayList<>();
    int page = paginationData == null ? 1 : ((IntPaginationToken) paginationData).getStart();
    Photosets photoSetList;
    try {
        perUserRateLimiter.acquire();
        photoSetList = photosetsInterface.getList(auth.getUser().getId(), PHOTO_SETS_PER_PAGE, page, PHOTOSET_EXTRAS);
    } catch (FlickrException e) {
        return new ExportResult<>(e);
    }
    for (Photoset photoSet : photoSetList.getPhotosets()) {
        // Saving data to the album allows the target service to recreate the album structure
        albumBuilder.add(new PhotoAlbum(photoSet.getId(), photoSet.getTitle(), photoSet.getDescription()));
        // Adding subresources tells the framework to recall export to get all the photos
        subResources.add(new IdOnlyContainerResource(photoSet.getId()));
    }
    PaginationData newPage = null;
    boolean hasMore = photoSetList.getPage() != photoSetList.getPages() && !photoSetList.getPhotosets().isEmpty();
    if (hasMore) {
        newPage = new IntPaginationToken(page + 1);
    } else {
        // No more albums to get, add a resource for albumless items
        subResources.add(new IdOnlyContainerResource(""));
    }
    PhotosContainerResource photosContainerResource = new PhotosContainerResource(albumBuilder.build(), null);
    ContinuationData continuationData = new ContinuationData(newPage);
    subResources.forEach(resource -> continuationData.addContainerResource(resource));
    // Get result type
    ResultType resultType = ResultType.CONTINUE;
    if (newPage == null) {
        resultType = ResultType.END;
    }
    return new ExportResult<>(resultType, photosContainerResource, continuationData);
}

Example 49 with ContinuationData

use of org.datatransferproject.spi.transfer.types.ContinuationData in project data-transfer-project by google.

the class DriveExporter method export.

@Override
public ExportResult<BlobbyStorageContainerResource> export(UUID jobId, TokensAndUrlAuthData authData, Optional<ExportInformation> optionalExportInformation) throws Exception {
    Drive driveInterface = getDriveInterface((authData));
    List driveListOperation = driveInterface.files().list();
    // If the folder Id isn't specified then use root
    String parentId = "root";
    if (optionalExportInformation.isPresent()) {
        ExportInformation exportInformation = optionalExportInformation.get();
        if (exportInformation.getPaginationData() != null) {
            StringPaginationToken paginationToken = (StringPaginationToken) exportInformation.getPaginationData();
            driveListOperation.setPageToken(paginationToken.getToken());
        }
        if (exportInformation.getContainerResource() != null) {
            BlobbyStorageContainerResource parent = (BlobbyStorageContainerResource) exportInformation.getContainerResource();
            parentId = parent.getId();
        }
    }
    driveListOperation.setFields("files(id, name, modifiedTime, mimeType)").setQ(String.format(DRIVE_QUERY_FORMAT, parentId));
    ArrayList<DigitalDocumentWrapper> files = new ArrayList<>();
    ArrayList<BlobbyStorageContainerResource> folders = new ArrayList<>();
    FileList fileList = driveListOperation.execute();
    for (File file : fileList.getFiles()) {
        if (FOLDER_MIME_TYPE.equals(file.getMimeType())) {
            folders.add(new BlobbyStorageContainerResource(file.getName(), file.getId(), null, null));
        } else if (FUSION_TABLE_MIME_TYPE.equals(file.getMimeType())) {
            monitor.info(() -> "Exporting of fusion tables is not yet supported: " + file);
        } else if (MAP_MIME_TYPE.equals(file.getMimeType())) {
            monitor.info(() -> "Exporting of maps is not yet supported: " + file);
        } else {
            try {
                InputStream inputStream;
                String newMimeType = file.getMimeType();
                if (EXPORT_FORMATS.containsKey(file.getMimeType())) {
                    newMimeType = EXPORT_FORMATS.get(file.getMimeType());
                    inputStream = driveInterface.files().export(file.getId(), newMimeType).executeMedia().getContent();
                } else {
                    inputStream = driveInterface.files().get(file.getId()).setAlt("media").executeMedia().getContent();
                }
                jobStore.create(jobId, file.getId(), inputStream);
                files.add(new DigitalDocumentWrapper(new DtpDigitalDocument(file.getName(), file.getModifiedTime().toStringRfc3339(), newMimeType), file.getMimeType(), file.getId()));
            } catch (Exception e) {
                monitor.severe(() -> "Error exporting " + file, e);
            }
        }
        monitor.info(() -> "Exported " + file);
    }
    ResultType resultType = isDone(fileList) ? ResultType.END : ResultType.CONTINUE;
    BlobbyStorageContainerResource result = new BlobbyStorageContainerResource(null, parentId, files, folders);
    StringPaginationToken paginationToken = null;
    if (!Strings.isNullOrEmpty(fileList.getNextPageToken())) {
        paginationToken = new StringPaginationToken(fileList.getNextPageToken());
    }
    ContinuationData continuationData = new ContinuationData(paginationToken);
    folders.forEach(continuationData::addContainerResource);
    return new ExportResult<>(resultType, result, continuationData);
}

Example 50 with ContinuationData

use of org.datatransferproject.spi.transfer.types.ContinuationData in project data-transfer-project by google.

the class GooglePhotosExporter method exportPhotos.

@VisibleForTesting
ExportResult<PhotosContainerResource> exportPhotos(TokensAndUrlAuthData authData, Optional<IdOnlyContainerResource> albumData, Optional<PaginationData> paginationData, UUID jobId) throws IOException, InvalidTokenException, PermissionDeniedException {
    Optional<String> albumId = Optional.empty();
    if (albumData.isPresent()) {
        albumId = Optional.of(albumData.get().getId());
    }
    Optional<String> paginationToken = getPhotosPaginationToken(paginationData);
    MediaItemSearchResponse mediaItemSearchResponse = getOrCreatePhotosInterface(authData).listMediaItems(albumId, paginationToken);
    PaginationData nextPageData = null;
    if (!Strings.isNullOrEmpty(mediaItemSearchResponse.getNextPageToken())) {
        nextPageData = new StringPaginationToken(PHOTO_TOKEN_PREFIX + mediaItemSearchResponse.getNextPageToken());
    }
    ContinuationData continuationData = new ContinuationData(nextPageData);
    PhotosContainerResource containerResource = null;
    GoogleMediaItem[] mediaItems = mediaItemSearchResponse.getMediaItems();
    if (mediaItems != null && mediaItems.length > 0) {
        List<PhotoModel> photos = convertPhotosList(albumId, mediaItems, jobId);
        containerResource = new PhotosContainerResource(null, photos);
    }
    ResultType resultType = ResultType.CONTINUE;
    if (nextPageData == null) {
        resultType = ResultType.END;
    }
    return new ExportResult<>(resultType, containerResource, continuationData);
}