Multiple @ModelAttribute ?

[jybosse]

Hello,

I have a problem using Validator in annotated controller.
I'm using controller with annotation, everything is ok but when I use a method with two ModelAttribute, the validator doesn't care about the object that I give and try to validate the last ModelAttribute of the method signature.
Here is a part of the controller :

@RequestMapping(value="/contact/createCompanyContact.do", method = RequestMethod.POST)
	public ModelAndView doCreateLawCompanyContactAction(@ModelAttribute Contact contact,
			@ModelAttribute Integer Id, BindingResult result, SessionStatus status) throws Exception {

        contactValidation.validate(contact, result);

        if (result.hasErrors()){
            return new ModelAndView(...);
        } else {
            status.setComplete();
            ...
            return new ModelAndView(new RedirectView(...));
        }

}

The Contact object and the Integer come from the session :

@Controller
@SessionAttributes(types = {Contact.class, Integer.class})
public class ContactController { ... }

When I debug, Contact is correctly filled with data from the form, and the Integer has the correct value, but the Validator doesn't validate the Contact object but the Integer !!

[Marten Deinum]

The BindingResult only is valid for the object that it follows. So in your case it is only containing the stuff for the Integer. You should have 2 bindingresults in there... Also why do you need 2 ModelAttributes especially when 1 is an integer?!...

[jybosse]

I've just discovered what you are saying
I need the integer because the contact to create need to be added to another company which is given before.
Flow is :
1 create a company
2 display the created Company with the link "add a contact"
3 display the add contact page (if the user clicked the previous link) and keep the id of the company in the session
4 create the contact and add it to the company using the id in session.

Is it incorrect ?

[jybosse]

And ?
What about :

Also why do you need 2 ModelAttributes especially when 1 is an integer?!...

[marian.venin]

let's say you have something like this(many form in page)

@RequestMapping(method = RequestMethod.POST)
public String processSubmit(@RequestParam("formBeanName") String formBeanName,
@ModelAttribute("getter") GetterForm getter,
@ModelAttribute("terset") TersetForm terset,
@ModelAttribute("tertmt") TertmtForm tertmt,
@ModelAttribute("getttr") GetttrForm getttr, BindingResult result, Model model,
HttpServletRequest request, HttpSession session)
{


In this case I reistantiate BindingResult param:
result = new BeanPropertyBindingResult( target, objectName);

For knowing what bean the target object is, I add for every form in the page a hidden attribute eg formbeanName
and I select the bean like this:
target = model.asMap().get( formBeanName.toLowerCase() ).

[Rossen Stoyanchev]

This makes no sense to me. There can be only one form submission at a time and only one command object can represent the data on a form. If you want access to other model attributes you can take a Model as input parameter.

[anaktani]

i got the same problem.. what's spring allow multiple @ModelAttribute declaration...?