Re: [Springframework-developer] Spring MVC and validation

[Thomas V. de V. <tho...@ac...>]

I am wondering if it'd make sense to have the validation rules defined as=
=20
annotations.=20

e.g.

@RequiredField
@EmailAddress

I've worked with forms that contains 2 000 + fields and maintaining externa=
l=20
XML files is really cumbersome in such a case? Any thoughts, pros/cons?

Cheers,
Thomas

On 9/12/05, Paul Sundling <tk...@tk...> wrote:
>=20
> I'll definitely investigate Valang in depth. Thanks. Just the
> existence of some documentation puts it ahead of the commons validator
> integration support in Spring modules. :)
>=20
> Valang looks pretty powerful, although it's still missing some basic
> functionality like email, credit card validation. Perhaps that sort of
> stuff probably belongs more in the ValidatorUtils since Valang seems to
> be a general purpose tool. Regular expressions were alluded to
> (customizing date parser), but I didn't see them specifically listed.
>=20
> At some point I hope a validation framework gets integrated into Spring
> MVC.
>=20
> Thanks again. I'll go into lurker mode now. :)
>=20
> Paul Sundling
>=20
>=20
> On Mon, 2005-09-12 at 14:32 +1000, Oliver Hutchison wrote:
> > > > Hi Paul,
> > > >
> > > > Have you looked at Valang already?
> > > >
> > > >
> > > http://opensource2.atlassian.com/confluence/spring/display/MODULES/Us=
i
> > > > ng+Valang+validator
> > > >
> > > > It's a declarative validation language that has some powerful
> > > > constructs and its feature set is growing. It's build on top of
> > > > Spring's validation package. It currently isn't released
> > > yet but the
> > > > code is stable and a lot of people use it in production.
> > >
> > > I can second this recommendation. For one, Valang is much
> > > easier to read than the commons-validator XML file.
> >
> > I'm also using Valang in production and love it. The only reason I can
> > see why you'd want to use commons-validator is for the automatic
> > JavaScript validation support but within the week I hope to make the
> > code for my Valang to JavaScript translator available which will allow
> > you to have your server side Valang rules automatically translated into
> > client side JavaScript.
> >
> > Ollie
> >
> >
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>=20
>=20
>=20
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