if (locale != null) {
            final String lang = locale.getLanguage();
            if (ComponentUtil.getFessConfig().isOnlineHelpSupportedLang(lang)) {
                return url.replaceFirst("\\{lang\\}", lang).replaceFirst("\\{version\\}", majorVersion + "." + minorVersion);
            }
        }
        return getDefaultHelpLink(url);
    }

    /**
     * Gets the default help link for a given URL.

        if ("/_plugin".equals(path) || path.startsWith("/_plugin/")) {
            processPluginRequest(request, response, path.replaceFirst("^/_plugin", StringUtil.EMPTY));
            return;
        }

        final Method httpMethod = Method.valueOf(request.getMethod().toUpperCase(Locale.ROOT));

        if (idx >= 0) {
            url = url.replaceFirst(";jsessionid=[a-zA-Z0-9\\.]*", "");
        }

        if (url.indexOf(' ') >= 0) {
            url = url.replace(" ", "%20");
        }

        String oldUrl = null;
        while (url.indexOf("/../") >= 0 && !url.equals(oldUrl)) {
            oldUrl = url;
            url = url.replaceFirst("/[^/]+/\\.\\./", "/");
        }

        assertArgumentNotNull("clazz", clazz);

        if (isExist(path)) {
            return path;
        }
        final String prefix = clazz.getName().replace('.', '/').replaceFirst("/[^/]+$", "");
        final String extendedPath = prefix + "/" + path;
        if (ResourceUtil.getResourceNoException(extendedPath) != null) {
            return extendedPath;
        }
        return path;

            if (path == null) {
                parent = "/";
                name = null;
            } else {
                final String[] values = path.replaceAll("/+", "/").replaceFirst("/$", "").split("/");
                if (values.length == 1) {
                    parent = "/";
                    name = null;
                } else if (values.length == 2) {
                    parent = "/";

            }
            // Unix
            return abbreviateSite(value);
        }
        if (url.startsWith("smb:") || url.startsWith("smb1:")) {
            final String value = url.replaceFirst("^smb.?:/+", StringUtil.EMPTY);
            return abbreviateSite("\\\\" + value.replace('/', '\\'));
        }

        return getSite(url, encoding);
    }

    @Override

            final String filePath = preprocessUri(uri);
            responseData.setUrl(filePath);

            final String[] paths = parsePath(filePath.replaceFirst("^storage:/+", StringUtil.EMPTY));
            final String bucketName = paths[0];
            final String path = paths[1];
            final StatObjectResponse statObject = getStatObject(bucketName, path);