private String[] protocols;

    @Override
    public void initialize(final UriType uriType) {
        protocols = switch (uriType.protocolType()) {
        case WEB -> ComponentUtil.getFessConfig().getCrawlerWebProtocolsAsArray();
        case FILE -> ComponentUtil.getFessConfig().getCrawlerFileProtocolsAsArray();
        default -> throw new ConstraintDefinitionException("protocolType is emtpy.");
        };
    }

    @Override

    default String[] getCrawlerWebProtocolsAsArray() {
        return split(getCrawlerWebProtocols(), ",")
                .get(stream -> stream.filter(StringUtil::isNotBlank).map(s -> s.trim() + ":").toArray(n -> new String[n]));
    }

    default boolean isValidCrawlerWebProtocol(final String url) {
        return stream(getCrawlerWebProtocolsAsArray()).get(stream -> stream.anyMatch(s -> url.startsWith(s)));