* is "[\d]+\nrole1,role2,role3", which you can encrypt.
 *
 *
 */
public class RoleQueryHelper {

    /**
     * Constructor.
     */
    public RoleQueryHelper() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(RoleQueryHelper.class);

    /**
     * The key for user roles in the request attribute.
     */

            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Referer is invalid."));
            return;
        }

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();

        final StringBuilder buf = new StringBuilder(255);
        try {

            logger.warn("[{}] The search log queue size is too large. Skipped the search log: {}", queryId, query);
            return;
        }

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final UserInfoHelper userInfoHelper = ComponentUtil.getUserInfoHelper();
        final SearchLog searchLog = new SearchLog();

        if (fessConfig.isUserInfo()) {