I tried doing it with showForm() and it kind of works:
protected ModelAndView showForm(
{
List<StreetSection> sections = null;
if (request.getParameter("id") != null)
{
String id = (String)request.getParameter("id");
Street street = streetManager.get(new Long(id));
Integer number = new Integer(request.getParameter("number"));
sections = streetSectionManager.findByNumber(street, number);
}
ModelAndView mav = new ModelAndView("findSections", "sections", sections);
mav.addObject("streets",referenceData(request));
return mav;
}
showForm() is called, and referenceData() is also called, thus loading my
streets. I am not sure if this is the best way to do it ... and I am not
sure if that second-to-last line, mav.addObject() should be mav.put()
instead ... both seem to work ...
But now in my page I don't have access to the Command (Model) object. In
theory, naming my Controller FindStreetSectionController, because of
conventions, will automatically use my FindStreetSection object, right? But
when I debug and look at this.commandClass it is null.
What am I doing wrong?
Thanks,
Bob
syg6 wrote:
>
> I've been messing with this issue for a while. Basically I want to be able
> to search for StreetSections. Each StreetSection has a Street and a range
> of numbers. When you enter the search page the first time you see a list
> of Streets. Select one and enter a number and it will show you a list of
> StreetSections.
>
> Originally I wanted to do this without a Model object. But when I made my
> FindStreetSectionsController with an AbstractController I noticed that the
> referenceData() method, which I use to load all Streets, wasn't being
> called. That's because it is only called when you use a *FormController
> and call showForm() or a method that calls showForm() (like onSubmit()).
> Eventually I got it working but was calling referenceData() by hand, which
> I thought was ugly. But, I thought, I can't use a *FormController because
> I am not using a Command (Model) object.
>
> After further thought though I realized that on the search page I always
> have a form with two fields - idStreet and number - the stuff to search
> for, so I decided to create a FindStreetSection Model object with those
> two fields , and that way I'd be able to use a BaseFormController and
> theoretically load automagically the Streets with referenceData().
>
> But I have a problem - I am not sure what method to implement in my
> Controller. I have tried implementing both formBackingObject() and
> onSubmit() but my test is failing. Here is my Controller:
>
> protected Object formBackingObject()
> {
> FindStreetSection fss = new FindStreetSection();
> String id = request.getParameter("id");
> String number = request.getParameter("number");
>
> if (!StringUtils.isBlank(id))
> {
> fss.setIdStreet(new Long(id));
> fss.setNumber(new Integer(number));
> }
>
> return fss;
> }
>
> public ModelAndView onSubmit()
> {
>
> List<StreetSection> sections = null;
> FindStreetSection fss = (FindStreetSection) command;
>
> if (ft.getIdStreet() != null)
> {
> Street street = streetManager.get(fss.getIdStreet());
> sections = streetSectionsManager.findByNumber(street,
> fss.getNumber());
> }
>
> return new ModelAndView("findStreetSections", "sections", sections);
> }
>
> And here is my test:
>
> public void testSearch() throws Exception
> {
> MockHttpServletRequest request = newGet("/findstreetsection.html");
> request.addParameter("id", "1");
> request.addParameter("number", "196");
>
> ModelAndView mav = c.handleRequest(request, new
> MockHttpServletResponse());
> ModelMap m = mav.getModelMap();
>
> assertNotNull(m.get("sections"));
> assertTrue(((List) m.get("sections")).size() > 0);
> }
>
> formBackingMethod() is being called but onSubmit() is not, thus my test
> fails saying sections is null. I think my test is correctly written, I am
> just not sure which method I need to implement in my Controller.
> onSubmit() doesn't seem to be it. Looking at other (form) tests, in order
> to get onSubmit() to be called it seems you have to do something like
> this:
>
> request = newPost("/findstreetsection.html");
> super.objectToRequestParameters(fss, request);
> request.addParameter("number", "198");
>
> in order for onSubmit() to be called. I tried this as well but no go.
> Anyway I never need to do any kind of save, update or delete, I simply am
> using a Command (Model) object to making searching easier. So which method
> to I need to implement in my Controller to get this to work?
>
> Thanks,
> Bob
>
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