Jesse,
thanks for the quick reply, but I have bound the value to
"ognl:amount", which is a BigDecimal (a subclass of Number) used in my
java class? Is this a step to far for the Compiler/Tapestry framework,
because if what you say is true, this should have worked.
Brian.
On 2/17/06, Jesse Kuhnert <[EMAIL PROTECTED]> wrote:
> You need to have you value binding for TextField be either a Numeric object
> type or native numeric value. That's just the way it is for now...Won't be
> in tap4.1...
>
>
> On 2/17/06, Brian Long <[EMAIL PROTECTED]> wrote:
> >
> > Hi guys,
> >
> > I've spend this afternoon trying to get the minimum and maximum validators
> > for Tapestry 4.0 to work without success.
> >
> > I have a TextField component with an associated FieldLabel component onto
> > which I attach the Min and Max validators :
> >
> > <td>
> > <label jwcid="@FieldLabel" field="component:dummyTextField" displayName=
> > "DummyTextField">DummyTextField</label>
> > </td>
> > <td>
> > <input jwcid="[EMAIL PROTECTED]" value="ognl:amount"
> > validators="validators:min=15,max=5000"
> > size="10" />
> > </td>
> >
> > Pretty straightforward, or so you'd think! The problem is that I get a
> > Class
> > Cast Exception when I run the application
> >
> > >>java.lang.ClassCastException
> > >>java.lang.String
> >
> > in Tapestry and I enter data into this textfield and submit the form. The
> > problem is that the validate method in Min Class (
> > org.apache.tapestry.form.validator.Min.validate(Min.java:53)), as you can
> > see it's trying to cast the contents of the received
> > Object to an Number, the problem it that this Object Contains a String,
> > well, we are using a TextField component after all?
> >
> > public void validate(IFormComponent field, ValidationMessages messages,
> > Object object)
> > throws ValidatorException
> > {
> > Number value = (Number) object;
> >
> > if (_min > value.doubleValue())
> > throw new ValidatorException(buildMessage(messages, field),
> > ValidationConstraint.TOO_SMALL);
> > }
> >
> > Now I know that you can't cast from a String to a
> > Number,Integer,BigDecimal
> > etc, but it's an Object we're casting from. I
> > know that it contains a string, but its a numeric string i.e "123", is it
> > that the Min class is at fault here or is it something I'm
> > doing wrong?
> >
> > If Jesse Kuhnert is reading this and has five minutes to deliver the
> > answer
> > to my question it would be much appreciated.
> >
> > Brian Long.
> >
> >
>
>
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