public void acceptRepresentation(final Representation entity) throws ResourceException {
   final Form form = getRequest().getEntityAsForm();
   final String serviceUrl = form.getFirstValue("serviceTicketUrl");
   try {
     final Assertion authentication =
         this.centralAuthenticationService.validateServiceTicket(
             serviceTicketId, new SimpleWebApplicationServiceImpl(serviceUrl, this.httpClient));
     if (authentication.getChainedAuthentications().size() > 0) {
       // Iterate through each of the ChainedAuthentications and put them into the JSonArray
       JSONArray jsonResult = new JSONArray();
       for (Authentication auth : authentication.getChainedAuthentications()) {
         // Create the principle
         JSONObject principle = createJSONPrinciple(auth);
         JSONObject jsonAuth = new JSONObject();
         jsonAuth.put("authenticated_date", auth.getAuthenticatedDate());
         jsonAuth.put("attributes", principle);
         jsonResult.add(jsonAuth);
       }
       getResponse().setEntity(jsonResult.toJSONString(), MediaType.TEXT_PLAIN);
     } else {
       getResponse()
           .setEntity(
               java.lang.String.format("\"{\"authenticated\":\"false\"}\""), MediaType.TEXT_PLAIN);
     }
   } catch (final TicketException e) {
     log.error(e.getMessage(), e);
     getResponse()
         .setStatus(Status.CLIENT_ERROR_NOT_FOUND, "TicketGrantingTicket could not be found.");
   } catch (final Exception e) {
     log.error(e.getMessage(), e);
     getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());
   }
 }