String u = null;
        try {
            final String resolveTarget = urlValue.startsWith(":") ? uri.getScheme() + urlValue : urlValue;
            final URI childUri = uri.resolve(resolveTarget);
            u = encodeUrl(normalizeUrl(childUri.toString()), encoding);
        } catch (final IllegalArgumentException e) {
            final int pos = urlValue.indexOf(':');
            if (pos > 0 && pos < 10) {