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From Adam Hardy <>
Subject usage of Preparable interface?
Date Thu, 01 May 2008 09:47:24 GMT
I have been casting around for a while for the most elegant and quick-to-code 
mechanism for putting populating lists for select controls.

I wanted to run this one idea past the struts users to get any feedback on 
something I may have missed or need to know.

One requirement I set myself is that I want to avoid coding for the dropdown 
lists in every action method.

The Preparable action interface seems ideally suited for this situation.

I can write a prepare() method and use its MethodFilterInterceptor to turn it on 
only when doing reads. My creates, saves and deletes don't need lists because 
they do Post-Redirect-Gets back to the appropriate read.

The reason I ask is that the struts docs make clear that Preparable is intended 
for use in param and model management. Is anyone else using Preparable to do 
other stuff like this?


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