private static boolean isDone(FileList fileList) {
    return fileList.getFiles().isEmpty() || Strings.isNullOrEmpty(fileList.getNextPageToken());
  }
An {@link Exporter} to export data from Google Drive.

<p>Exports first part content in MS format, and blobby content in the original format.

<p>Doesn't necessarily export all files in Drive, things like Maps, and Fusion Tables are
currently skipped as there isn't a good export mechanism for them.
extensions/data-transfer/portability-data-transfer-google/src/main/java/org/datatransferproject/datatransfer/google/drive/DriveExporter.java