}

    private static final int MAX_QUERY_LENGTH = 1000;

    private static final Pattern DANGEROUS_QUERY_PATTERN = Pattern.compile("\\*:\\*");

    /**
     * Searches documents using a Fess query.
     *
     * @param query the Fess query string
     * @return the list of search result documents
     */
    protected List<Map<String, Object>> searchWithQuery(final String query) {

            final String[] docIds = userInfoHelper.getResultDocIds(URLDecoder.decode(queryId, Constants.UTF_8));
            if (docIds == null) {
                throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "No searched urls.");
            }

            searchHelper
                    .getDocumentByDocId(docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldLang() },

        } catch (final NamingException e) {
            throw new LdapOperationException("Failed to delete " + entryDN, e);
        }
    }

    /**
     * Searches the LDAP directory with the specified parameters.
     *
     * @param baseDn the base DN for the search
     * @param filter the search filter
     * @param returningAttrs the attributes to return from the search