hi all,
o.k., it's fixed now in both active branches, when the value is null
(and when t takes the default value) it's just passed back with correct
status, ..., the constraints tests are therefore skipped,
please test it on some real-world problem :))
rgds,
martin
On Tue, Aug 28, 2001 at 06:09:31PM +0100, Chris Newland wrote:
> Hi All,
>
> I'm a little confused by the behaviour in AbstractValidatorAction for
> parameters that have the nullable property set to "yes".
>
> If the parameter is nullable and I don't set the value in the form (so it
> becomes null) then the method validate<Type>(...) will set the value to its
> default value and then apply any other constraint tests set on the property.
> If one of these constraint tests fails then the form validation fails which
> is not what I expected since I declared that the parameter could be null in
> the first place!
>
> Also, is it correct that if the default is not set for a nullable parameter,
> this will cause an NPE when any other constraint is tested (on the default,
> since this is substituted for a nullable parameter).
>
> I can patch this is people agree this is a bug, but maybe the design was
> that you could not have a parameter that has both constraints *and* the
> ability to be null:
>
> <!-- if they enter their age it must be between 18 and 120 -->
> <parameter type="long" name="age" min="18" max="120" nullable="yes"/>
>
> Thanks,
>
> Best Regards,
>
> Chris
>
> --
> Chris Newland
> Software Research Engineer
>
> Emorphia Ltd
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