Re: Where to get struts repository

On 9/25/06, Scott Smith <[email protected]> wrote:
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> We have a struts application where we use struts-menu (just upgraded from
> 2.3 to 2.4.1—went pretty seamless once I got the right collections jar).
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> The repository for each user is generated dynamically.  The menu is used in
> a form to allow the user to select preferences—the menu items are
> checkboxes.  Works very nicely.
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> Currently, I place the repository in a request attribute ('reqRepository')
> and then set the 'repository="reqRepository"' parameter in the
> useMenuRepository taglib.  That also has been working.
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> Here's the problem.  I am moving from a homegrown form validation mechanism
> to the standard struts validator.  The problem is that if there is an error
> on the form, then the form is redisplayed.  However, since the repository is
> in the request context, it is gone if the form needs to be redisplayed with
> form validation error messages (and hence the taglib throws an exception
> since it can't find the repository and the jsp page generation terminates
> prematurely).  I'd prefer not putting the repository in the session context
> as then I have to worry about getting rid of it.
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> I thought the solution might be to make the repository another field in the
> struts ActionForm since the validator seems to keep the form intact even
> though it's a request object.  But, I if I write
> 'repository="{myForm.myRepository}", then it doesn't work (presumably,
> because the taglib is looking for an attribute name).
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> Is there a way to accomplish what I want without putting the repository in
> the session context?

There's nothing I can think of off the top of my head.  You may be
able to modify the code so it tag library so it checks for a String
and a full-blown MenuRepository.

Matt

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> Scott
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