} catch (IOException ex) { }
        return connection.getContentEncoding();
    }

    public long getExpiration() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getExpiration();
    }

    public long getDate() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getDate();

            while ( response.charAt(index) == ' ' )
                index++;
            return Integer.parseInt(response.substring(index, index + 3));
        }
        catch ( Exception ex ) {
            throw new IOException(ex.getMessage());
        }
    }


    private void doHandshake () throws IOException, GeneralSecurityException {
        connect();
        try {