}
            }
        }));
    }

    protected String charset = Constants.UTF_8;

    protected boolean resolveSids = true;

    @Resource
    protected ContentLengthHelper contentLengthHelper;

    protected volatile SmbAuthenticationHolder smbAuthenticationHolder;

    @Override
    public synchronized void init() {
        if (smbAuthenticationHolder != null) {
            return;

    private static final Logger logger = LoggerFactory.getLogger(HcHttpClient.class);

    @Resource
    protected RobotsTxtHelper robotsTxtHelper;

    @Resource
    protected ContentLengthHelper contentLengthHelper;

    @Resource
    protected MimeTypeHelper mimeTypeHelper;

    protected volatile CloseableHttpClient httpClient;

    private final List<Header> requestHeaderList = new ArrayList<>();

                .singleton("sitemapsHelper", SitemapsHelper.class).singleton("logHelper", LogHelperImpl.class)
                .singleton("encodingHelper", EncodingHelper.class).singleton("contentLengthHelper", ContentLengthHelper.class)
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .<FileTransformer> singleton("fileTransformer", FileTransformer.class, transformer -> {