Examples with UserFeed com.google.gdata.data.photos.UserFeed used on opensource projects

Example 1 with UserFeed

use of com.google.gdata.data.photos.UserFeed in project data-transfer-project by google.

the class GooglePhotosExporter method exportAlbums.

private ExportResult<PhotosContainerResource> exportAlbums(TokensAndUrlAuthData authData, Optional<PaginationData> paginationData) {
    try {
        int startItem = 1;
        if (paginationData.isPresent()) {
            String token = ((StringPaginationToken) paginationData.get()).getToken();
            Preconditions.checkArgument(token.startsWith(ALBUM_TOKEN_PREFIX), "Invalid pagination token " + token);
            startItem = Integer.parseInt(token.substring(ALBUM_TOKEN_PREFIX.length()));
        }
        URL albumUrl = new URL(String.format(URL_ALBUM_FEED_FORMAT, startItem, MAX_RESULTS));
        UserFeed albumFeed = getOrCreatePhotosService(authData).getFeed(albumUrl, UserFeed.class);
        PaginationData nextPageData = null;
        if (albumFeed.getAlbumEntries().size() == MAX_RESULTS) {
            int nextPageStart = startItem + MAX_RESULTS;
            nextPageData = new StringPaginationToken(ALBUM_TOKEN_PREFIX + nextPageStart);
        }
        ContinuationData continuationData = new ContinuationData(nextPageData);
        List<PhotoAlbum> albums = new ArrayList<>(albumFeed.getAlbumEntries().size());
        for (GphotoEntry googleAlbum : albumFeed.getAlbumEntries()) {
            // Add album info to list so album can be recreated later
            albums.add(new PhotoAlbum(googleAlbum.getGphotoId(), googleAlbum.getTitle().getPlainText(), googleAlbum.getDescription().getPlainText()));
            // Add album id to continuation data
            continuationData.addContainerResource(new IdOnlyContainerResource(googleAlbum.getGphotoId()));
        }
        ResultType resultType = ResultType.CONTINUE;
        if (nextPageData == null || continuationData.getContainerResources().isEmpty()) {
            resultType = ResultType.END;
        }
        PhotosContainerResource containerResource = new PhotosContainerResource(albums, null);
        return new ExportResult<>(resultType, containerResource, continuationData);
    } catch (ServiceException | IOException e) {
        return new ExportResult<>(ResultType.ERROR, e.getMessage());
    }
}

Example 2 with UserFeed

use of com.google.gdata.data.photos.UserFeed in project data-transfer-project by google.

the class GooglePhotosService method exportAlbums.

private PhotosModelWrapper exportAlbums(Optional<PaginationInformation> pageInfo) throws IOException {
    URL albumUrl = new URL("https://picasaweb.google.com/data/feed/api/user/default?kind=album");
    UserFeed albumFeed;
    try {
        albumFeed = service.getFeed(albumUrl, UserFeed.class);
    } catch (ServiceException e) {
        throw new IOException("Problem making request to: " + albumUrl, e);
    }
    List<PhotoAlbum> albums = new ArrayList<>(albumFeed.getEntries().size());
    List<Resource> resources = new ArrayList<>(albumFeed.getEntries().size());
    for (GphotoEntry myAlbum : albumFeed.getEntries()) {
        // Adding sub-resources tells the framework to re-call
        // export to get all the photos.
        resources.add(new IdOnlyResource(myAlbum.getGphotoId()));
        // Saving data to the album allows the target service
        // to recreate the album structure.
        albums.add(new PhotoAlbum(myAlbum.getGphotoId(), myAlbum.getTitle().getPlainText(), myAlbum.getDescription().getPlainText()));
    }
    return new PhotosModelWrapper(albums, null, new ContinuationInformation(resources, null));
}