@RequestMapping(value = "module/hl7query/ORUR01", method = RequestMethod.GET)
    @ResponseBody
    public Object getEncounters(@RequestParam(value = "patientId", required = false) String patientId,
                                @RequestParam(value = "idTypeUuid", required = false) String idTypeUuid,
                                @RequestParam(value = "encounterUuid", required = false) String encounterUuid,
                                @RequestParam(value = "startDate", required = false) Date startDate,
                                @RequestParam(value = "endDate", required = false) Date endDate, HttpServletRequest request,
                                HttpServletResponse response) {

        boolean isPipeDelimited = false;

        String acceptHeader = request.getHeader("Accept");
        if (acceptHeader == null || !acceptHeader.contains("text/xml"))
                isPipeDelimited = true;

        List<Encounter> encounters = new ArrayList<Encounter>();
        EncounterService encounterService = Context.getEncounterService();
        HL7QueryService hL7QueryService = Context.getService(HL7QueryService.class);
        HL7Template template = null;
        Patient patient = null;
        if (StringUtils.isBlank(patientId) && StringUtils.isBlank(encounterUuid)){
            if(isPipeDelimited){
                response.setContentType("application/json");
                return ExceptionUtils.generateJSONMessage(ErrorMessageConstants.MISSING_IDENTIFIER);
            }
            else{
                return ExceptionUtils.generateXmlMessage(ErrorMessageConstants.MISSING_IDENTIFIER);
            }
        }

        String templateNameGP = Context.getAdministrationService().getGlobalProperty(
            HL7QueryConstants.HL7QUERY_GP_ORUR01_TEMPLATE);
        template = hL7QueryService.getHL7TemplateByName(templateNameGP);
        if (template == null){
            if(isPipeDelimited){
                response.setContentType("application/json");
                return ExceptionUtils.generateJSONMessage(ErrorMessageConstants.MISSING_TEMPLATE + templateNameGP);
            }
            else{
                return ExceptionUtils.generateXmlMessage(ErrorMessageConstants.MISSING_TEMPLATE + templateNameGP);
            }
        }

        if (encounterUuid != null) {
            Encounter encounter = encounterService.getEncounterByUuid(encounterUuid);
            if (encounter == null){
                if(isPipeDelimited){
                    response.setContentType("application/json");
                    return ExceptionUtils.generateJSONMessage(ErrorMessageConstants.MISSING_ENCOUNTER + encounterUuid);
                }
                else{
                    return ExceptionUtils.generateXmlMessage(ErrorMessageConstants.MISSING_ENCOUNTER + encounterUuid);
                }
            }