*/
    public static String encodeUrl(final String url) {
        final String enc = LaRequestUtil.getOptionalRequest()
                .filter(req -> req.getCharacterEncoding() != null)
                .map(HttpServletRequest::getCharacterEncoding)
                .orElse(Constants.UTF_8);
        final StringBuilder buf = new StringBuilder(url.length() + 100);
        for (final char c : url.toCharArray()) {