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) {

            } else {
                try {
                    pageSize = Integer.parseInt(num);
                    if (pageSize > fessConfig.getPagingSearchPageMaxSizeAsInteger().intValue() || pageSize <= 0) {
                        pageSize = fessConfig.getPagingSearchPageMaxSizeAsInteger();
                    }
                } catch (final NumberFormatException e) {