Re: File uploads

> Hi all !
>
> Sorry to bother you all again, but I cannot believe that nobody
> can give me a little insight here...
>
> Oliver Epper schrieb:
> > Hi all ! Hi Graeme !
> >
> > First of all thanks for your quick answer. Sorry, but I have to bother
> > you again.
> >
> > Graeme Rocher schrieb:
> >> Currently the scaffolding is not clever enough to know that a byte[]
> >> requires an upload form, we plan to fix this one day
> As I've already mentioned: The form IS an upload form !
> Please give me a little more insight, so that I can understand why the
> params
> Map is empty :)
>
> > The scaffolding (command line) does generate a form that uses the
> > multipart/form-data
> > enctype and uses an input element with type file for the picture
> > property.
> > In the controllers save method I can successfully call
> > request.getFile('picture') and the
> > result is a MultipartFile.
> > As far as I can see everything is fine, except that the following code:
> > picture.save() throws a hibernate exception, because setting the
> > picture property of
> > the picture class does not happen with picture.properties = params,
> > because
> > params is an empty map :(
> >
> > I don't think that it is a big problem that the scaffolding code does
> > not handle this
> > properly, but I don't get what the real problem is. What is missing ?
> > The form
> > is an upload form, the resulting request implements getFile(). I can
> > easily fix the
> > whole thing with a line like picture.setPicture(file.getBytes()). So
> > why is the
> > params Map empty. I'd like to help here if someone can give me a
> > little insight ;)
> >
> > Thx in advance
> > Oliver
> >>
> >> Cheers
> >>
> >> On 2/21/07, Oliver Epper <oliver@...> wrote:
> >>> Hi all !
> >>>
> >>> I experience a little trouble with file uploads in grails.
> >>> Imagine a newly created app with the following domain-class:
> >>>
> >>> class Picture {
> >>>   byte[] picture
> >>> }
> >>> Now, let's generate the controller and appropriate views
> >>> using grails generate-all Picture. I cannot upload any files, because
> >>> the controllers save method throws an exception while trying to
> >>> save the instance of the Picture class.
> >>> Long story short:
> >>> This happens because the params Map does not contain any
> >>> key-value pairs :(
> >>> The funny thing is: If I change the enctype-attribute in create.gsp
> >>> from "multipart/form-data" to "multipart/form" everything works
> >>> fine...
> >>> Hope anyone can explain that to me !!! (please)
> >>> I use Java 6, and groovy 1.0 and grails 0.4.1
> >>>
> >>> --
> >>> Epper & Kranz GbR
> >>> Oliver Epper, Patrick Kranz
> >>> EK IT-Solutions
> >>> Südring 37
> >>> 54634 Bitburg
> >>> Tel: +49 (0)6561 951614
> >>> Fax: +49 (0)6561 12425
> >>>
> >>>
> >>>
>
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