@Transactional(readOnly = false) @RequestMapping( value = "/editperson", method = {RequestMethod.POST, RequestMethod.GET}) public void personsEditor( @RequestParam String oper, @RequestParam long ID, Person person, BindingResult result, HttpServletRequest request, HttpServletResponse response) throws IOException { if (result.hasErrors()) { response.sendError(400, result.toString()); return; } switch (oper) { case "add": { Counterparty counterparty = counterpartyRepository.findOne(ID); if (counterparty != null) { counterparty.addPerson(person); String headIDS = request.getParameter("headID_primary_key"); if (headIDS != null && !headIDS.isEmpty()) { try { Long headid = Long.getLong(headIDS); Person headPerson = personRepository.findOne(headid); person.setHead(headPerson); } catch (NumberFormatException e) { // do nothing } } personRepository.save(person); counterpartyRepository.save(counterparty); response.setStatus(200); } else { response.sendError(404, "NO COUNTERPART WITH ID " + ID + " FOUND"); } } break; case "edit": { Person prsn = personRepository.findOne(person.getId()); if (prsn != null && prsn.getVersion() <= person.getVersion()) { prsn.setSurname(person.getSurname()); prsn.setFirstName(person.getFirstName()); prsn.setMiddleName(person.getMiddleName()); prsn.setComments(person.getComments()); prsn.setDate_of_birth(person.getDate_of_birth()); String headIDS = request.getParameter("headID_primary_key"); if (headIDS != null && !headIDS.isEmpty()) { try { Long headid = Long.getLong(headIDS); Person headPerson = personRepository.findOne(headid); person.setHead(headPerson); } catch (NumberFormatException e) { // do nothing } } personRepository.save(prsn); response.setStatus(200); } else { response.sendError(404, "NO Agreement WITH ID " + person.getId() + " FOUND"); } } break; case "del": { Counterparty counterparty = counterpartyRepository.findOne(ID); if (counterparty != null) { Person prsn = personRepository.findOne(person.getId()); if (prsn != null) { counterparty.removePerson(prsn); personRepository.delete(prsn); counterpartyRepository.save(counterparty); response.setStatus(200); } else { response.sendError(404, "NO Agreement WITH ID " + person.getId() + " FOUND"); } } else { response.sendError(404, "NO COUNTERPART WITH ID " + ID + " FOUND"); } } break; default: response.sendError(406, "UNKNOWN OPERATION"); } }