Re: [Springframework-developer] webflow: validators

[Steven D. <ste...@gm...>]

Good point, I'll have a look at that.

On Apr 9, 2005 4:29 PM, Erwin Vervaet <erw...@er...> wrote:
> This doesn't seem to be specific to SWF: as you say, in theory it's just a
> special, configurable Validator implementation (we actually made a
> commons-attributes driven validator on my current project). What is the
> status of "declarative input validation with Spring" in general? Is there
> anything in the sandbox? Integration with commons-validator or XWork
> validators?
> 
> Erwin Vervaet
> erw...@er...
> ----- Original Message -----
> From: "Steven Devijver" <ste...@gm...>
> To: <spr...@li...>
> Sent: Saturday, April 09, 2005 3:44 PM
> Subject: Re: [Springframework-developer] webflow: validators
> 
> >> At the moment SWF does not have any direct binding & validation support
> >> of
> >> its own: it just uses the Spring binding and validation infrastructure
> >> (DataBinder, Errors, Validator). I don't think binding and validation is
> >> really a feature that we should build *into* SWF. Instead we need to
> >> integrate with existing solutions.
> >
> > I hear you. It's just that I really would like to see declarative
> > validation rules. Besides, a validator that would support this would
> > simply be a specialization of the Validator interface.
> >
> >>
> >> Could you elaborate on the "XWork validators" a bit?
> >>
> > This example says it all:
> >
> > <validators>
> >    <field name="bar">
> >        <field-validator type="required">
> >            <message>You must enter a value for bar.</message>
> >        </field-validator>
> >        <field-validator type="int">
> >            <param name="min">6</param>
> >            <param name="max">10</param>
> >            <message>bar must be between ${min} and ${max}, current
> > value is ${bar}.</message>
> >        </field-validator>
> >    </field>
> >    <field name="date">
> >        <field-validator type="date">
> >            <param name="min">12/22/2002</param>
> >            <param name="max">12/25/2002</param>
> >            <message>The date must be between 12-22-2002 and
> > 12-25-2002.</message>
> >        </field-validator>
> >    </field>
> >    <field name="foo">
> >        <field-validator type="int">
> >            <param name="min">0</param>
> >            <param name="max">100</param>
> >            <message key="foo.range">Could not find foo.range!</message>
> >        </field-validator>
> >    </field>
> >    <validator type="expression">
> >        <param name="expression">foo &gt; bar</param>
> >        <message>Foo must be greater than Bar. Foo = ${foo}, Bar =
> > ${bar}.</message>
> >    </validator>
> > </validators>
> >
> >
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