class HttpClientDownloader extends AbstractDownloader {

    private String getHtmlCharset(String contentType, byte[] contentBytes) throws IOException {
        String charset = CharsetUtils.detectCharset(contentType, contentBytes);
        if (charset == null) {
            charset = Charset.defaultCharset().name();
            logger.warn("Charset autodetect failed, use {} as charset. Please specify charset in Site.setCharset()", Charset.defaultCharset());
        }
        return charset;
    }

}