[Lift] Re: How to stop validations if previous validator returns error.
On Sun, Oct 4, 2009 at 2:12 AM, ishiijp wrote:
>
> Hi. I have found StopValidationOnError trait in Mapper.scala,
> But I couldn't understand how to use it.
> Please show me a example.
>
>
def stopableValMaxLen: (String => List[FieldError]) with
StopValidationOnError[String] =
new (String => List[FieldError]) with StopValidationOnError[String] {
def apply(in: String) = valMaxLen(32, "Too long")(in)
}
> thanks.
>
> On 9月15日, 午前4:08, David Pollak wrote:
> > I'll check code in after it passes the reviewboard process that let's you
> > mix in:
> > trait StopValidationOnError[T] extends Function1[T, List[FieldError]]
> >
> > to a validation function such that the validator will stop processing a
> > given field if a validator that has that trait mixed in returns a
> validation
> > error.
> >
> >
> >
> >
> >
> > On Sun, Sep 6, 2009 at 3:02 PM, ishiijp
> wrote:
> >
> > > I'm looking for a way to stop MappedField validations if prefvious
> > > validator returns error.
> >
> > > For example:
> >
> > > object Alphabets extends MappedString(this, 20) {
> > > override def validations =
> > >valMinLen(1, "Alphabets is required") _ ::
> > >valRegex(Pattern.compile("^[a-zA-Z]+$", "It's not alphabets!")
> > > _ ::
> > >super.validations
> > > }
> >
> > > if valMinLen returns error, I don't want to process valRegex.
> >
> > > My solutions are
> > > (1) define custom validator which works as I want.
> > > (2) override MappedField#validate()
> >
> > > If you have other ideas, please help me.
> >
> > > Thanks in advance.
> >
> > --
> > Lift, the simply functional web frameworkhttp://liftweb.net
> > Beginning Scalahttp://www.apress.com/book/view/1430219890
> > Follow me:http://twitter.com/dpp
> > Git some:http://github.com/dpp
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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[Lift] Re: How to stop validations if previous validator returns error.
Hi. I have found StopValidationOnError trait in Mapper.scala,
But I couldn't understand how to use it.
Please show me a example.
thanks.
On 9月15日, 午前4:08, David Pollak wrote:
> I'll check code in after it passes the reviewboard process that let's you
> mix in:
> trait StopValidationOnError[T] extends Function1[T, List[FieldError]]
>
> to a validation function such that the validator will stop processing a
> given field if a validator that has that trait mixed in returns a validation
> error.
>
>
>
>
>
> On Sun, Sep 6, 2009 at 3:02 PM, ishiijp wrote:
>
> > I'm looking for a way to stop MappedField validations if prefvious
> > validator returns error.
>
> > For example:
>
> > object Alphabets extends MappedString(this, 20) {
> > override def validations =
> > valMinLen(1, "Alphabets is required") _ ::
> > valRegex(Pattern.compile("^[a-zA-Z]+$", "It's not alphabets!")
> > _ ::
> > super.validations
> > }
>
> > if valMinLen returns error, I don't want to process valRegex.
>
> > My solutions are
> > (1) define custom validator which works as I want.
> > (2) override MappedField#validate()
>
> > If you have other ideas, please help me.
>
> > Thanks in advance.
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Beginning Scalahttp://www.apress.com/book/view/1430219890
> Follow me:http://twitter.com/dpp
> Git some:http://github.com/dpp
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[Lift] Re: How to stop validations if previous validator returns error.
Very nice! thanks a lot!!
On 9月15日, 午前4:08, David Pollak wrote:
> I'll check code in after it passes the reviewboard process that let's you
> mix in:
> trait StopValidationOnError[T] extends Function1[T, List[FieldError]]
>
> to a validation function such that the validator will stop processing a
> given field if a validator that has that trait mixed in returns a validation
> error.
>
>
>
>
>
> On Sun, Sep 6, 2009 at 3:02 PM, ishiijp wrote:
>
> > I'm looking for a way to stop MappedField validations if prefvious
> > validator returns error.
>
> > For example:
>
> > object Alphabets extends MappedString(this, 20) {
> > override def validations =
> > valMinLen(1, "Alphabets is required") _ ::
> > valRegex(Pattern.compile("^[a-zA-Z]+$", "It's not alphabets!")
> > _ ::
> > super.validations
> > }
>
> > if valMinLen returns error, I don't want to process valRegex.
>
> > My solutions are
> > (1) define custom validator which works as I want.
> > (2) override MappedField#validate()
>
> > If you have other ideas, please help me.
>
> > Thanks in advance.
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Beginning Scalahttp://www.apress.com/book/view/1430219890
> Follow me:http://twitter.com/dpp
> Git some:http://github.com/dpp
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[Lift] Re: How to stop validations if previous validator returns error.
I'll check code in after it passes the reviewboard process that let's you
mix in:
trait StopValidationOnError[T] extends Function1[T, List[FieldError]]
to a validation function such that the validator will stop processing a
given field if a validator that has that trait mixed in returns a validation
error.
On Sun, Sep 6, 2009 at 3:02 PM, ishiijp wrote:
>
> I'm looking for a way to stop MappedField validations if prefvious
> validator returns error.
>
> For example:
>
> object Alphabets extends MappedString(this, 20) {
> override def validations =
>valMinLen(1, "Alphabets is required") _ ::
>valRegex(Pattern.compile("^[a-zA-Z]+$", "It's not alphabets!")
> _ ::
>super.validations
> }
>
> if valMinLen returns error, I don't want to process valRegex.
>
> My solutions are
> (1) define custom validator which works as I want.
> (2) override MappedField#validate()
>
> If you have other ideas, please help me.
>
> Thanks in advance.
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Git some: http://github.com/dpp
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