String url = u;
        final String originalUrl = url;

        int idx = url.indexOf("://");
        if (idx >= 0) {
            url = url.substring(idx + 3);
        }

        idx = url.indexOf('/');
        if (idx >= 0) {
            url = url.substring(0, idx);
        }

        if (url.equals(originalUrl)) {
            return getFessConfig().getCrawlerDocumentUnknownHostname();
        }

    private boolean determineVersionMatch(String version) {
        String test = version;
        boolean reverse = false;

        if (test.startsWith("!")) {
            reverse = true;
            test = test.substring(1);
        }

        boolean result = Os.OS_VERSION.equals(test);

        if (reverse) {
            return !result;
        } else {
            return result;
        }
    }

        final boolean result;
        if (test.startsWith(REGEX_PREFIX)) {
            result = actualVersion.matches(test.substring(REGEX_PREFIX.length()));
        } else {
            if (test.startsWith("!")) {
                reverse = true;
                test = test.substring(1);
            }
            result = actualVersion.equalsIgnoreCase(test);
        }

        return reverse != result;
    }

        if (ind1 == -1 || ind2 == -1) {
            return;
        }

        this.groupId = name.substring(0, ind1);
        if (ind1 == ind2) {
            this.artifactId = name.substring(ind1 + 1);
        } else {
            this.artifactId = name.substring(ind1 + 1, ind2);
            this.version = name.substring(ind2 + 1);
        }
    }

    public ArtifactMetadata(String groupId, String name, String version) {

                version = line.substring(line.indexOf("\"", 11) + 1, line.lastIndexOf("\""))
            }
            if (line.startsWith("\"buildTime\"")) {
                var date = line.substring(line.indexOf("\"", 12) + 1, line.lastIndexOf("\""))
                date = date.substring(0, 4) + "-" + date.substring(4, 6) + "-" + date.substring(6, 8)
                versions[version!!] = date
            }

        Matcher matcher = GETTER_METHOD_NAME.matcher(name);
        if (matcher.matches()) {
            int startName = matcher.start(2);
            String propName = name.substring(startName, startName + 1).toLowerCase(Locale.ROOT) + name.substring(startName + 1);
            PropertyMetaData property = getCurrentClass().addReadableProperty(propName, returnType, rawCommentText, methodMetaData);

    private val includePackagePatterns: List<Pattern> by lazy {
        includes.map {
            if (it.endsWith("/**")) {
                Pattern.compile(it.substring(0, it.length - 3).replace("/", "\\.") + "(\\..+)?")
            } else {
                Pattern.compile(it.substring(0, it.length - 2).replace("/", "\\.") + "\\.[^.]+")
            }
        }
    }

        final int length = str.length();
        if (length > 1
                && str.startsWith("\"")
                && str.endsWith("\"")
                && str.substring(1, length - 1).indexOf('"') == -1) {
            str = str.substring(1, length - 1);
        }
        return str;
    }

    @Nonnull
    public static Path getCanonicalPath(Path path) {
        requireNonNull(path, "path");
        try {

            if (basedirExpr != null) {
                if (s.length() > basedirExpr.length()) {
                    // Take out basedir expression and the leading slash
                    s = chopLeadingFileSeparator(s.substring(basedirExpr.length()));
                } else {
                    s = ".";
                }
            }
        }

        return s;
    }

    /**

                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {
                    parent--;
                }
                parent = result.lastIndexOf('/', parent);
                if (parent < 0) {
                    result = result.substring(idx + 4);
                } else {