Save .mp4 Vine videos present in the TweetBuffer

VineUtil.java

public class VineUtil {

  public static String findVineUrl(Status status) {
    String vineUrl;
    for (URLEntity url: status.getURLEntities()) {
      vineUrl = url.getExpandedURL();
      if (vineUrl.contains(“vine.co / v / “)) {
        return vineUrl;
      }
    }
    return null;
  }

  public static String parseDownloadUrl(String html) {
      if (html == null ||
        (html.contains(“Page not found”)) ||
        (html.contains(“<title>Vine</title>”))) {return null;}

            try {
              String[] split = html.split(“player: stream\” content = \””);
              split = split[1].split(“\\ ? versionId”);
              return split[0];
            } catch (ArrayIndexOutOfBoundsException e1) {
              return null;
            }
          }

          public static boolean downloadVine(String saveDirectory, long id,
            String downloadUrl) {
            try {
              File f = new File(saveDirectory + id + “.mp4”);
              FileUtils.copyURLToFile(new URL(downloadUrl), f);
              return true;
            } catch (MalformedURLException e) {
              return false;
            } catch (IOException e) {
              return false;
            }
          }

          public static String sendGet(String u) throws IOException {
            String url = u;
            String USER_AGENT = “Mozilla / 5.0(Windows NT 6.3; Win64; x64) AppleWebKit / 537.36(KHTML, like Gecko) Chrome / 37.0.2049.0 Safari / 537.36”;
            URL obj = new URL(url);

            try {
              HttpURLConnection con = (HttpURLConnection) obj.openConnection();

              // handles the response code 301 redirect from vine URLs
              String redirect = con.getHeaderField(“Location”);
              if (redirect != null) {
                obj = new URL(redirect);
                con = (HttpURLConnection) obj.openConnection();
              }

              con.setRequestMethod(“GET”);
              con.setRequestProperty(“User - Agent”, USER_AGENT);

              int responseCode = con.getResponseCode();
              if (responseCode > 200) {
                return null;
              }

              BufferedReader in = new BufferedReader(
                new InputStreamReader(
                  con.getInputStream()));
              String inputLine;
              StringBuffer response = new StringBuffer();

              while ((inputLine = in .readLine()) != null) {
                response.append(inputLine);
              } in .close();

              return response.toString();
            } catch (Exception e) {
              return null;
            }
          }
        }