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From veena pandit <v.kri...@gmail.com>
Subject Re: POI question
Date Tue, 27 Oct 2009 14:34:10 GMT

Sorry I think I tried to be clear but I still confused the issue.  My first
jsp page allows the user to select
a file.  The action in the backing bean of that file selection
component(which is a dropdown) redirects
to a servlet which serves the page.



On Tue, Oct 27, 2009 at 10:29 AM, Bruno Girin <brunogirin@gmail.com> wrote:

> 2009/10/27 veena pandit <v.kris21@gmail.com>:
> > Hi,
> >
> > 1.  That is exactly what I mean.  I have a jsf dynamic web project in
> > eclipse.  When I right click on the first web page and select run on
> Server,
> > it runs correctly and locates the correct file and opens it as a xls
> > document.
> OK
> >
> > 2.  In order to open the page in a browser, you have to deploy the
> project
> > as a war file to the webapps directory of tomcat, then point your browser
> to
> > the location of the page and this should run the application.  But here
> is
> > where I am getting a java.lang.RuntimeException FacesContext not found
> > exception.  I have posted to a jsf forum at javaranch.com
> Yes, that's how you would deploy it on Tomcat. If it doesn't work then
> it means that you web.xml or your faces-config.xml has a problem and
> works well in the embedded container in eclipse but doesn't work in
> Tomcat.
> >
> > 3. I dont need to modify the excel file.  I just clarified and it is open
> as
> > a read only document.  I am expecting the browser to open the file
> viewable
> > as an excel document handled by the poi(similar to when I run it from
> > eclipse).
> This is where you got us all confused and where I think you
> misunderstand what POI does. Opening the file in your browser has
> nothing to do with POI, it's done by the browser running Excel when it
> receives the file.
> From your description above, you don't need POI at all, you can just
> copy the content of your file input stream to your response output
> stream in your servlet and that is enough to send the file to the
> browser and have the browser open it. In fact, that would be a better
> solution because you would then send the file unmodified and you would
> be able to stream it too.
> And as David say, that part probably needs to be done in a separate
> servlet that runs beside the JSP/JSF application you have and is
> dedicated to serve binary files to the browser.
> Bruno
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