Cacher is the code snippet organizer for pro developers

@RequestMapping(value="/add", method = RequestMethod.GET)
public String add(Model uiModel) {
  if (!uiModel.containsAttribute("toAdd")) {
      uiModel.addAttribute("toAdd",new ToAdd());
  }
}


@RequestMapping(value="/add", method = RequestMethod.POST)
    public String add(@Valid ToAdd toAdd,
                      BindingResult bindingResult,
                      RedirectAttributes redirectAttributes) {

        if (serial == null) throw new ResourceNotFoundException();

        if (bindingResult.hasErrors()) {
            redirectAttributes.addFlashAttribute("org.springframework.validation.BindingResult.toAdd", bindingResult);
            redirectAttributes.addFlashAttribute("toAdd",toAdd);
        }
        else {
          toAdd.persist(); //Or whatever you want to do here
        }
        
        return "redirect:/add";
        
}