AddPetForm


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   import javax.servlet.http.HttpServletResponse  ;
9   
10  import org.springframework.samples.petclinic.Owner;
11  import org.springframework.samples.petclinic.Pet;
12  import org.springframework.samples.petclinic.PetType;
13  import org.springframework.samples.petclinic.util.EntityUtils;
14  import org.springframework.web.bind.RequestUtils;
15  import org.springframework.web.servlet.ModelAndView;
16  
17  /**
18   * JavaBean form controller that is used to add a new <code>Pet</code> to the system.
19   *
20   * @author Ken Krebs
21   */
22  public class AddPetForm extends AbstractClinicForm {
23  
24      public AddPetForm() {
25          // need a session to hold the formBackingObject
26          setSessionForm(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          Owner owner = getClinic().loadOwner(RequestUtils.getRequiredIntParameter(request, "ownerId"));
37          Pet pet = new Pet();
38          owner.addPet(pet);
39          return pet;
40      }
41  
42      protected void onBind(HttpServletRequest   request, Object   command) {
43          Pet pet = (Pet) command;
44          int typeId = Integer.parseInt(request.getParameter("typeId"));
45          pet.setType((PetType) EntityUtils.getById(getClinic().getPetTypes(), PetType.class, typeId));
46      }
47  
48      /** Method inserts a new Pet */
49      protected ModelAndView onSubmit(Object   command) throws ServletException   {
50          Pet pet = (Pet) command;
51          // delegate the insert to the Business layer
52          getClinic().storePet(pet);
53          return new ModelAndView(getSuccessView(), "ownerId", pet.getOwner().getId());
54      }
55  
56      protected ModelAndView handleInvalidSubmit(HttpServletRequest   request, HttpServletResponse   response)
57              throws Exception   {
58          return disallowDuplicateFormSubmission(request, response);
59      }
60  
61  }
62
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