ActionForm validate() - what Action does the controller call?

[Nishant Deshpande <ni...@gmail.com>]

When my ActionForm returns a non-empty ActionErrors object, where does
control go to?

i.e. i read from the struts site:

"""
When the properties of this bean have been populated, but before the
executemethod of the
Action is called, this bean's validate method will be called, which gives
the bean a chance to verify that the properties submitted by the user are
correct and valid. If this method finds problems, it returns an error
messages object that encapsulates those problems, and the controller servlet
will return control to the corresponding input form. Otherwise, the
validatemethod returns
null, indicating that everything is acceptable and the corresponding
Action.execute method should be called.
"""
(my bold)

I guess I don't understand what 'corresponding input form' means? Presumably
the controller needs to call some Action, how do I know / specify which one?

Thanks

Re: ActionForm validate() - what Action does the controller call?

[Nishant Deshpande <ni...@gmail.com>]

ok got it

thanks


On 10/6/05, Dave Newton <ne...@pingsite.com> wrote:
>
> Michael Jouravlev wrote:
>
> ><action> element has "input" attribute, which contains path, where
> >browser will be forwarded if validate() returns non-null non-empty
> >collection. Usually it is the same page that you just submitted.
> >Action's execute() method is not called at all.
> >
> >
> That's what I meant.
>
> I have allergies today.
>
> Dave
>
>
>
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>

Re: ActionForm validate() - what Action does the controller call?

[Dave Newton <ne...@pingsite.com>]

Michael Jouravlev wrote:

><action> element has "input" attribute, which contains path, where
>browser will be forwarded if validate() returns non-null non-empty
>collection. Usually it is the same page that you just submitted.
>Action's execute() method is not called at all.
>  
>
That's what I meant.

I have allergies today.

Dave



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Re: ActionForm validate() - what Action does the controller call?

[Michael Jouravlev <jm...@gmail.com>]

On 10/6/05, Nishant Deshpande <ni...@gmail.com> wrote:
> When my ActionForm returns a non-empty ActionErrors object, where does
> control go to?
>
> I guess I don't understand what 'corresponding input form' means? Presumably
> the controller needs to call some Action, how do I know / specify which one?

<action> element has "input" attribute, which contains path, where
browser will be forwarded if validate() returns non-null non-empty
collection. Usually it is the same page that you just submitted.
Action's execute() method is not called at all.

Because the control is forwarded by default, then when you refresh the
page where you forwarded to, your prior invalid input is submitted
again.

Michael.

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Re: ActionForm validate() - what Action does the controller call?

[Dave Newton <ne...@pingsite.com>]

Nishant Deshpande wrote:

>I guess I don't understand what 'corresponding input form' means? Presumably
>the controller needs to call some Action, how do I know / specify which one?
>  
>
The action that called the validation is executed with a GET request. 
(More or less.)

Dave



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Re: ActionForm validate() - what Action does the controller call?

[ra...@tcs.com]

If the validate method returs non empty ActionErrors object, the control 
will go to the JSP specified in the input attribute of the corresponding 
action element in struts-config.xml .

Thanks,
Rajasekhar Cherukuri







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Subject
ActionForm validate() - what Action does the controller call?






When my ActionForm returns a non-empty ActionErrors object, where does
control go to?

i.e. i read from the struts site:

"""
When the properties of this bean have been populated, but before the
executemethod of the
Action is called, this bean's validate method will be called, which gives
the bean a chance to verify that the properties submitted by the user are
correct and valid. If this method finds problems, it returns an error
messages object that encapsulates those problems, and the controller 
servlet
will return control to the corresponding input form. Otherwise, the
validatemethod returns
null, indicating that everything is acceptable and the corresponding
Action.execute method should be called.
"""
(my bold)

I guess I don't understand what 'corresponding input form' means? 
Presumably
the controller needs to call some Action, how do I know / specify which 
one?

Thanks

ForwardSourceID:NT0000591E 


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