/**
   * This method is used to delete all Instagram subscription.<br>
   * It used when we call to stop method.
   */
  public void deleteSubscription() {

    DefaultHttpClient client = new DefaultHttpClient();
    String url =
        "https://api.instagram.com/v1/subscriptions?object=all&client_id="
            + this.clientId
            + "&client_secret="
            + this.clientSecret;

    HttpDelete delete = new HttpDelete(url);

    try {

      log.debug("Delete  : " + delete + "Header = " + delete.getAllHeaders());
      HttpResponse response = client.execute(delete);
      log.info("-----> Delete  response  :" + response);

    } catch (ClientProtocolException e) {
      log.error(" Error in client Protocol, error type : " + e);
    } catch (IOException e) {
      log.error(" Error IO, error type :" + e);
    }
  }