}

    private int parseResponseCode() throws IOException {
        try {
            String response = connection.getHeaderField(0);
            int index = response.indexOf(' ');
            while (response.charAt(index) == ' ') index++;
            return Integer.parseInt(response.substring(index, index + 3));
        } catch (Exception ex) {
            throw new IOException(ex.getMessage());
        }
    }

    private int parseResponseCode () throws IOException {
        try {
            String response = this.connection.getHeaderField(0);
            int index = response.indexOf(' ');
            while ( response.charAt(index) == ' ' )
                index++;
            return Integer.parseInt(response.substring(index, index + 3));
        }
        catch ( Exception ex ) {
            throw new IOException(ex.getMessage());