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From Felipe Schnack <feli...@ritterdosreis.br>
Subject RE: Where should i put dynamically generated graphics
Date Fri, 30 Aug 2002 12:06:30 GMT
  How can I return an image from a servlet??

On Thu, 2002-08-29 at 20:05, Sexton, George wrote:
> It depends. One way I have done it is to have the generator servlet save it
> on the session, and have the page the generator servlet writes make a
> request to a simple servlet that returns the graphic, and then deletes it
> from the session.
> 
> Another way would be to write it to the temp dir. From the Servlet API Spec:
> 
> SRV.3.7.1 Temporary Working Directories
> A temporary storage directory is required for each servlet context. Servlet
> containers must provide a private temporary directory per servlet context,
> and make
> it available via the javax.servlet.context.tempdir context attribute. The
> objects
> associated with the attribute must be of type java.io.File.
> 
> Then, using a servlet mapping request the generated image and have the
> servlet retrieve the temporary image.
> 
> I guess that you could make another dir writable to the server, and store
> the image in their natively.
> 
> George Sexton
> MH Software, Inc.
> Home of Connect Daily Web Calendar Software
> http://www.mhsoftware.com/connectdaily.htm
> Voice: 303 438 9585
> 
> 
> -----Original Message-----
> From: Andy Wagg [mailto:andrew.wagg@virgin.net]
> Sent: 29 August, 2002 4:01 PM
> To: tomcat-user@jakarta.apache.org
> Subject: Where should i put dynamically generated graphics
> 
> 
> Hello
> 
> I have a web application that generates a gif file that is then
> subsequently displayed. It expects to find the gif file in the context
> of the web application. The web app is deployed as a war so obviously
> the generated files cant be put there. Any suggestions as to where these
> files could be copied that would be accesible by the browser.
> 
> Thanks in advance.
> 
> 
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-- 

Felipe Schnack
Analista de Sistemas
felipes@ritterdosreis.br
Cel.: (51)91287530
Linux Counter #281893

Faculdade Ritter dos Reis
www.ritterdosreis.br
felipes@ritterdosreis.br
Fone/Fax.: (51)32303328


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