@Override
            public String getCrawlerWebProtocols() {
                return "http,https";
            }

            @Override
            public String getCrawlerFileProtocols() {
                return "file,smb";
            }
        });

        final ProtocolHelper protocolHelper = new ProtocolHelper();
        protocolHelper.init();

                .get(stream -> stream.filter(StringUtil::isNotBlank).map(s -> s.trim() + ":").toArray(n -> new String[n]));
        fileProtocols = split(fessConfig.getCrawlerFileProtocols(), ",")
                .get(stream -> stream.filter(StringUtil::isNotBlank).map(s -> s.trim() + ":").toArray(n -> new String[n]));

        loadProtocols("org.codelibs.fess.net.protocol");