private String getFreeBusy(AccessToken at, Request request, XmlResponder responder) throws SAXException, IOException, FactoryConfigurationError, ServerFault { String fbAsString = request.getParameter("freebusyrequest"); Document doc = DOMUtils.parse(fbAsString); FreeBusyRequest fb = cip.parseFreeBusyRequest(doc.getDocumentElement()); List<FreeBusy> ev = binding.getFreeBusy(at, fb); return responder.sendListFreeBusy(ev); }