if (this.logger.isDebugEnabled()) {
this.logger.debug("invoking getPeopleWithMultivaluedAttributes(" + query + ")");
}
final IUsernameAttributeProvider usernameAttributeProvider = super.getUsernameAttributeProvider();
final String queryUid = usernameAttributeProvider.getUsernameFromQuery(query);
if (queryUid == null) {
this.logger.debug("No username attribute found in query, returning null");
} else {
final HttpServletRequest req = portalRequestUtils.getCurrentPortalRequest();