Hi:
You can't let GAE/J Blobstore API serve the blob for you. You have
to read the blob content and serve by yourself. This approach reduces
to normal/regular pdf file download which is trivial.
On 7月19日, 下午10時36分, chrischelmi <michelvo...@gmail.com> wrote:
> You are right conor, i set the content to application/pdf and i cand
> display it. but my problem is that in some browsers and OS(Mac) ,the
> pdf is not displyed, the download starts automatically with a default
> name, i want to have control on the name given to the file before it
> is downloaded
>
> On Jul 18, 6:44 pm, Conor Power <iamco...@gmail.com> wrote:
>
> > it doesn't sound like you need to generate the PDF using a library if it's
> > stored as a blob ... can't you just set the content type to be
> > application/pdf and stream the blog contents?
>
> > your servlet just needs the key or some mapping to look up the blob.
>
> > otherwise, i wrote a summary of my experiences with PDF generation a while
> > ago:
>
> >http://conorjpower.com/2010/01/11/pdf-generation-in-java/
>
> > C
>
> > On Sun, Jul 18, 2010 at 5:12 AM, Khor Yong Hao <fyh...@gmail.com> wrote:
>
> > > Your Problem is not using iText to generate PDF content and download it,
> > > but is able to allow user upload their own PDF and providing download,
> > > right?
>
> > > On Thu, Jul 15, 2010 at 3:25 PM, dovm <dovm...@gmail.com> wrote:
>
> > >> Hi,
>
> > >> Check this one
> > >>http://www.pdfjet.com/java/index.html
>
> > >> They claim to support Google App Engine
>
> > >> =Dov
>
> > >> On Jul 15, 7:57 am, Daniel <vedm...@gmail.com> wrote:
> > >> > But it says that on" Will it play in App Engine"
>
> > >> > That its incompatible:
>
> > >> > iText
> > >> > Version(s): ?
> > >> > Status: INCOMPATIBLE
>
> > >> > * iText relies on several classes not in the JRE class whitelist
> > >> > including java.awt.Color and java.nio.MappedByteBuffer. A bug has been
> > >> > filed athttp://
> > >> sourceforge.net/tracker/?func=detail&atid=365255&aid=2810312&g....
>
> > >> > On Jul 15, 7:51 am, Shyam Visamsetty <shyamsunder...@gmail.com> wrote:
>
> > >> > > Chris,
>
> > >> > > Did you want to generate a PDF File on the GAE?
> > >> > > If yes, you can use the iText library for generating the pdfs on the
> > >> > > app engine. You can have a servlet to download the PDF file you
> > >> > > generated.
>
> > >> > > Thanks,
> > >> > > Shyam Visamsetty
>
> > >> > > On Jul 14, 1:36 pm, chrischelmi <michelvo...@gmail.com> wrote:
>
> > >> > > > Helle every body,
> > >> > > > I am working on a Google App Engine Project that consists of
> > >> uploading
> > >> > > > PDF files and displaying it after.
> > >> > > > I use a Blob to store the PDF file
> > >> > > > i want to do a process to download this PDF file by giving the a
> > >> > > > specifics name.
> > >> > > > Is there a way to generaye PDF files with GAE?
> > >> > > > i have a process to display the PDF but i want to download it
> > >> direcly
> > >> > > > from an URL.
>
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