1. http://localhost:8080/owners/new에서 정보들을 입력하여 Add owner를 클릭 후, Log를 살펴보자.

2. Log

   1st.

o.s.web.servlet.DispatcherServlet : POST "/owners/new", parameters={masked}

s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped to org.springframework.samples.petclinic.owner.OwnerController#processCreationForm(Owner, BindingResult)

• POST 방식을 통해 OwnerController(클래스)에 있는 precessCreationForm()를 반환.

@PostMapping("/owners/new")
	public String processCreationForm(@Valid Owner owner, BindingResult result) {
		if (result.hasErrors()) {
			return VIEWS_OWNER_CREATE_OR_UPDATE_FORM;
		}
		else {
			this.owners.save(owner);
			return "redirect:/owners/" + owner.getId();
		}
	}

2nd.

o.s.web.servlet.DispatcherServlet : GET "/owners/11", parameters={}

s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped to org.springframework.samples.petclinic.owner.OwnerController#showOwner(int)

• GET 방식을 통해 OwnerController(클래스)에 있는 showOwner()를 반환.

@GetMapping("/owners/{ownerId}")
	public ModelAndView showOwner(@PathVariable("ownerId") int ownerId) {
		ModelAndView mav = new ModelAndView("owners/ownerDetails");
		Owner owner = this.owners.findById(ownerId);
		for (Pet pet : owner.getPets()) {
			pet.setVisitsInternal(visits.findByPetId(pet.getId()));
		}
		mav.addObject(owner);
		return mav;
	}