Just noticed your constructor. Don't do that.
The Person object that you create will become the default value for this
property, rather than null. This is documented.
On 5/30/07, Howard Lewis Ship <[EMAIL PROTECTED]> wrote:
There should not be any difference; I'd have to see your code to determine
what's going on.
On 5/30/07, Martin Dietze < [EMAIL PROTECTED]> wrote:
>
> On Wed, May 30, 2007, Howard Lewis Ship wrote:
>
> > >I have a page class which keeps form data like this:
> > >
> > >| // class MyForm
> > >| private Person _person;
> > >| private String _homepage;
> > >
> > >The class Person consists of several fields:
> > >
> > >| // class Person
> > >| private String _firstName
> > >| private String _lastName
> > >
> > >For all these I have getters and setters defined.
> > >
> > >In my page class I have a constructor like this:
> > >
> > >| public CreatePartner() {
> > >| _contact = new Person();
> ^^^^^^^ `person' of course!
> > >| }
>
> [...]
>
> > Tapestry uses a redirect-after-post for actions, including form
> submits.
> > Thus if the data is stored persistently, usually in the HttpSession,
> it is
> > gone on the second request, the one that actually renders a response.
>
> > If you used the debugger, you'd see that your _person field would also
> be
> > null in the second request, the render request. You just aren't using
> it.
>
> Interestingly this does not seem to be the case in my
> application. Debugging the above class I find that when the
> page is rendered after submit the `Person' object still
> contains the submitted values.
>
> Additionally `_$person_default' object (as I guess created by
> T5) contains the values of the populated person object.
>
> For the `_homeapage' object which is an ordinary String, the
> values are lost unless I put a [EMAIL PROTECTED]("flash")' above it
> which should be expected according to your post. Now I wonder
> why does the Person object seem to behave differently?
>
> Cheers,
>
> Martin
>
> --
> ------------- / http://herbert.the-little-red-haired-girl.org /
> -------------
> =+=
> The only "intuitive" interface is the nipple. After that, it's all
> learned. -- Bruce Ediger
>
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--
Howard M. Lewis Ship
TWD Consulting, Inc.
Independent J2EE / Open-Source Java Consultant
Creator and PMC Chair, Apache Tapestry
Creator, Apache HiveMind
Professional Tapestry training, mentoring, support
and project work. http://howardlewisship.com
--
Howard M. Lewis Ship
TWD Consulting, Inc.
Independent J2EE / Open-Source Java Consultant
Creator and PMC Chair, Apache Tapestry
Creator, Apache HiveMind
Professional Tapestry training, mentoring, support
and project work. http://howardlewisship.com
