HttpURLConnection hc = (HttpURLConnection) new URL(tldurl).openConnection();

if (modTime > 0) {

SimpleDateFormat sdf = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss z");//Sun, 06 Nov 1994 08:49:37 GMT

String since = sdf.format(new Date(modTime));

hc.addRequestProperty("If-Modified-Since", since);

}

    private HttpURLConnection openConnection() throws IOException {

        URL url = m_uri.toURL();



        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        conn.setInstanceFollowRedirects(m_client.isFollowRedirects());

        conn.setAllowUserInteraction(false);

        conn.setDefaultUseCaches(false);

        conn.setUseCaches(false);

        conn.setConnectTimeout(1000);

        conn.setReadTimeout(1000);



        return conn;

    }