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From AndyLaw <andy....@roslin.ed.ac.uk>
Subject Re: Return text to jsp, plus image and imageMap from a single Data query?
Date Sat, 03 Sep 2011 10:09:08 GMT
Indeed.

I guess my question is "How best to store the results of the action so they can be delivered
as separate parts?" - particularly the image stream which I would really prefer to deliver
as a stream rather than fiddling about with temporary files on the server.

On 2 Sep 2011, at 18:23, Dave Newton-6 [via Struts] wrote:

Why would you need to call the DB three separate times? If you're already
returning a JSP why wouldn't you build everything you needed from the action
that processes the original submit? All you're doing is composing the
results of a few services--no need to call actions to do that, call the same
services.

Dave

On Fri, Sep 2, 2011 at 11:21 AM, AndyLaw <[hidden email]<x-msg://15/user/SendEmail.jtp?type=node&node=4763202&i=0>>
wrote:

> I have an application that I need to develop that requires the following:
>
> Following selection by the user of the item of interest plus up and
> downstream padding, report the locations and characteristics of features of
> interest found in the region and display the data graphically with
> clickable
> links embedded in the image to allow navigation to further descriptions of
> those features.
>
> So, I have a single set of inputs, (item, up and down) and I need to
> generate three things from them.
>
> If I were just generating the text display, I would return "success" from
> my
> action and dispatch to a jsp. In fact, that seems to be the simplest thing
> to do. I can then embed in the JSP code to call another action to generate
> the image and one to generate the imagemap.
>
> But what's the best way to do that from a single database hit (rather than
> fetching the same data in three separate actions)? Initial instinct says
> "stick it in the session". Is that the best option?
>
> Thanks in advance for any help/suggestions you can provide.
>
> Later,
>
> Andy
>
>
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Later,

Andy
--------
Yada, yada, yada...

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