Webservice with on-demand remote picture creation

Hi,
i definatley need an design advise.
I currently run an application which can create some images containing graphs. Those creation should run on-demand by a button, located on a website (with a underlying tomcat). The application runs in the background constantly, maybe on a different host than the webhost. For creation, there will be some parameters handed over.
What would be the best solution for this problem?
Thanks in advance

I forgot to say, that didn't implement the connection from my background application to the website yet - sorry!
For my understanding, my application should provide a SOAP interface which takes some parameters,
and the image, which is created, is attached to the SOAP-reply message. The website should then contain a JSP or else.
Another thing is, that i don't want to have additional jar-dependencies like SAAJ.
Edited by: DaDaUrka on Jan 18, 2010 7:32 PM

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