Using a heirachical key name in bean:message

This is sort of an odd requirement but it will help me out greatly if I can find a way to do this.
I am working on creating a JSP which generates vxml. I am using a resource properties file to read in text that I need to speak, or the names of wave files that I need to play. I grab these using a bean:message tag lib call. This all works fine but now I need to extend this app to handle several different States (Kentucky, Ohio, etc) which may or may not have small variations in their verbiage.
Tell me if I am going about this entirely wrong but this is what I think would be nice to do:
I would like to use the name of the key in this form:
"prompt.company.state"
Where an example resource properties file might be like this:
mainmenu.columbia.ky=mainmenu_ky.wav
mainmenu.columbia=MM_Columbia.wav
mainmenu=mainmenu.wavWhat I would like to happen is if I request the key "mainmenu.columbia.ky" it returns the "mainmenu_ky.wav", but if I request "mainmenu.columbia.oh" it would return "MM_Columbia.wav"
The idea is that a company may operate in different states and customize its prompts for that state if custom prompts exist but if they do not exist it uses the default for that company. Also there could be different company names also so if I asked for "mainmenu.northface" I would receive "mainmenu.wav"
This is sort of like localization but I want to have all the keys in one file.
My thought is that I would need to create my own taglib that extends bean:message and then parses the key name accordingly until I find a matching key. My problem is I have no idea where to start when doing that. I am while I have a strong Java background its been almost 4 years since I've worked on a project using it, and all this Struts and JSP and JSTL stuff is quite new to me.
Does anyone have any tips for me? Maybe there is another tag lib out there which does exactly what I need and I just don't see it. Help anyone?

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I have like this:
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<form-beans>
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Struts tag bean:message in jsp

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I used
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javax.servlet.ServletException: Missing message for key "inputform.username"
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I've tried with <bean:write... but since I catch exception saying MyActionForm can't be found in any scope. As far as I'm aware I've set request scope like:
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Edited by: D.A.R. on Sep 26, 2007 12:09 PM

Using a heirachical key name in bean:message

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