String content;
        try (final InputStream in = responseData.getResponseBody()) {
            final ExtractData extractData = getExtractData(extractor, in, createExtractParams(responseData, crawlingConfig));
            content = extractData.getContent();
            if (fessConfig.isCrawlerDocumentFileIgnoreEmptyContent() && StringUtil.isBlank(content)) {
                return null;
            }

                                String service, ServerMessageBlock andx ) {
        super( andx );
        this.session = session;
        this.path = path;
        this.service = service;
        command = SMB_COM_TREE_CONNECT_ANDX;
    }

    int getBatchLimit( byte command ) {
        int c = (int)( command & 0xFF );
        // why isn't this just return batchLimits[c]?
        switch( c ) {
            case SMB_COM_CHECK_DIRECTORY:

              SmbTransportImpl transport = session.getTransport() ) {
            return transport.isSMB2();
        }
        catch ( SmbException e ) {
            log.debug("Failed to connect for determining SMB2 support", e);
            return false;
        }
    }

        return new CurlRequest(Method.OPTIONS, url);
    }

    public static CurlRequest connect(final String url) {
        return new CurlRequest(Method.CONNECT, url);
    }

    public enum Method {
        GET, POST, PUT, DELETE, HEAD, OPTIONS, TRACE, CONNECT;
    }

        this.setInstanceFollowRedirects(this.connection.getInstanceFollowRedirects());
    }


    @Override
    public void connect () throws IOException {
        if ( this.connected )
            return;
        this.connection.connect();
        this.connected = true;
    }


    private void handshake () {
        if ( this.handshakeComplete )
            return;
        try {

                }
            }
        }
    }
    public void connect() throws SmbException {
        try {
            super.connect( RESPONSE_TIMEOUT );
        } catch( TransportException te ) {
            throw new SmbException( "Failed to connect: " + address, te );
        }
    }
    protected void doConnect() throws IOException {
        /*
         * Negotiate Protocol Request / Response

                        /*
                         * Some pipes may require that the hostname in the tree connect
                         * be the netbios name. So if we have the netbios server name
                         * from the NTLMSSP type 2 message, and the share is IPC$, we
                         * assert that the tree connect path uses the netbios hostname.
                         */

        if (headerList == null) {
            headerList = new ArrayList<>();
        }
        headerList.add(new String[] { key, value });
        return this;
    }

    public void connect(final Consumer<HttpURLConnection> actionListener, final Consumer<Exception> exceptionListener) {
        final Runnable task = () -> {
            if (paramList != null) {
                char sp;

     * to create an NbtAddress internal to this netbios package), no query is
     * sent on the wire and the only state this object has is it's IP address
     * (but that's enough to connect to a host using *SMBSERVER for CallingName).
     * 
     * 2) IP Address, NetBIOS name, nodeType, groupName - If however a
     * legal NetBIOS name string is used a name query request will retreive

            }
        } else {
            throw new SmbException("Unsupported");
        }
    }

    int getBatchLimit( byte command ) {
        return command == SMB_COM_TREE_CONNECT_ANDX ? BATCH_LIMIT : 0;
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( session.transport.snd_buf_size, dst, dstIndex );