if (userCode == null) {
            return false;
        }

        final int length = userCode.length();
        if (getUserCodeMinLengthAsInteger().intValue() > length || getUserCodeMaxLengthAsInteger().intValue() < length) {
            return false;
        }

        Pattern pattern = (Pattern) propMap.get(USER_CODE_PATTERN);
        if (pattern == null) {