public BufferedInputStream get(String urlStr) throws IOException {
            URL url = new URL(urlStr);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.connect();
            return new BufferedInputStream(conn.getInputStream());
        }
Gets an input stream to an image, given its URL. Used by {@link FlickrPhotosImporter} to
upload the image.
extensions/data-transfer/portability-data-transfer-flickr/src/main/java/org/datatransferproject/datatransfer/flickr/media/FlickrMediaImporter.java