public BoardList() {
    URL url = null;
    HttpURLConnection http_url_connection = null;
    int response_code;
    String response_message;
    InputStreamReader in = null;
    BufferedReader reader = null;
    ParserDelegator pd = null;
    try {
      // httpでhtmlファイルを取得する一連の処理
      url = new URL("http://menu.2ch.net/bbsmenu.html");
      http_url_connection = (HttpURLConnection) url.openConnection();
      http_url_connection.setRequestMethod("GET");
      http_url_connection.setInstanceFollowRedirects(false);
      http_url_connection.setRequestProperty("User-Agent", "Monazilla/1.00");
      response_code = http_url_connection.getResponseCode();
      response_message = http_url_connection.getResponseMessage();
      in = new InputStreamReader(http_url_connection.getInputStream(), "SJIS");
      reader = new BufferedReader(in);

      pd = new ParserDelegator();
      pd.parse(reader, cb, true);
      in.close();
      reader.close();
      http_url_connection.disconnect();
    } catch (IOException e1) {
      e1.printStackTrace();
    }
  }