@RequestMapping(value = "/add/{id}", method = RequestMethod.POST)
 public String add(@Valid LocatorDTO locatorDTO, BindingResult br) {
   if (br.hasErrors()) {
     return "locator/add";
   }
   CaseBean caseBean = new CaseBean();
   caseBean.setId(locatorDTO.getCaseId());
   LocatorBean locatorBean = new LocatorBean();
   locatorBean.setCaseBean(caseBean);
   locatorBean.setLocatorData(locatorDTO.getLocatorData());
   locatorBean.setLocatorDataName(locatorDTO.getLocatorDataName());
   locatorBean.setLocatorType(locatorDTO.getLocatorType());
   locatorService.addLocator(locatorBean);
   return "redirect:/locator/case/" + locatorDTO.getCaseId();
 }