code: @Override
      public String upload(File file, UploadMetaData metaData) throws FlickrException {
          Payload payload = new Payload(file);
          return sendUploadRequest(metaData, payload);
      }
docs: Upload a photo from a File.
  
  @param file
  the photo file
  @param metaData
  The meta data
  @return photoId or ticketId
  @throws FlickrException