EditPetForm


1   package org.springframework.samples.petclinic.web;
2   
3   import java.util.HashMap  ;
4   import java.util.Map  ;
5   
6   import javax.servlet.ServletException  ;
7   import javax.servlet.http.HttpServletRequest  ;
8   
9   import org.springframework.samples.petclinic.Pet;
10  import org.springframework.samples.petclinic.PetType;
11  import org.springframework.samples.petclinic.util.EntityUtils;
12  import org.springframework.web.bind.RequestUtils;
13  import org.springframework.web.servlet.ModelAndView;
14  
15  /**
16   * JavaBean Form controller that is used to edit an existing <code>Pet</code>.
17   *
18   * @author Ken Krebs
19   */
20  public class EditPetForm extends AbstractClinicForm {
21  
22      public EditPetForm() {
23          // need a session to hold the formBackingObject
24          setSessionForm(true);
25          // initialize the form from the formBackingObject
26          setBindOnNewForm(true);
27      }
28  
29      protected Map   referenceData(HttpServletRequest   request) throws ServletException   {
30          Map   refData = new HashMap  ();
31          refData.put("types", getClinic().getPetTypes());
32          return refData;
33      }
34  
35      protected Object   formBackingObject(HttpServletRequest   request) throws ServletException   {
36          // get the Pet referred to by id in the request
37          return getClinic().loadPet(RequestUtils.getRequiredIntParameter(request, "petId"));
38      }
39  
40      protected void onBind(HttpServletRequest   request, Object   command) throws ServletException   {
41          Pet pet = (Pet) command;
42          int typeId = RequestUtils.getRequiredIntParameter(request, "typeId");
43          pet.setType((PetType) EntityUtils.getById(getClinic().getPetTypes(), PetType.class, typeId));
44      }
45  
46      /** Method updates an existing Pet */
47      protected ModelAndView onSubmit(Object   command) throws ServletException   {
48          Pet pet = (Pet) command;
49          // delegate the update to the business layer
50          getClinic().storePet(pet);
51          return new ModelAndView(getSuccessView(), "ownerId", pet.getOwner().getId());
52      }
53  
54  }
55
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