public String getEmployByIdJson(long id) {
   Employ employ = employDao.findEmployById(id);
   if (employ == null) {
     return null;
   } else {
     return createJsonFromEmploy(employ);
   }
 }
 public String getAllEmployJson() {
   List<Employ> employs = employDao.getAllEmploy();
   System.out.println(employs);
   if (employs == null) {
     return null;
   } else {
     return createJsonFromEmploy(employs);
   }
 }