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From "Craig McClanahan (JIRA)" <>
Subject [jira] Commented: (SHALE-307) ViewController for navigated-to page is not added to the request map until bean is referenced in RenderResponse phase.
Date Wed, 18 Oct 2006 18:12:25 GMT
    [ ] 
Craig McClanahan commented on SHALE-307:

Jonathan, could you please try your test case against a recent nightly build[1]?  The reason
I ask is that this issue has been addressed in the current code (so it'll be fixed in 1.0.4),
and I have added some test cases to verify that it does indeed work.  (The reason it now works,
by the way, is that Shale's custom ViewHandler ensures the view controller managed bean, if
there is one, is instantiated and placed in request scope whenever an old view is restored
or a new view is created, so it will be in scope already when prerender is called.)

NOTE -- in the nightly build code, the view controller stuff has been factored out of shale-core-xxxxx.jar,
so you'll need to add shale-view-xxxxx.jar to your webapp as well as replacing the othe Shale


> ViewController for navigated-to page is not added to the request map until bean is referenced
in RenderResponse phase.
> ----------------------------------------------------------------------------------------------------------------------
>                 Key: SHALE-307
>                 URL:
>             Project: Shale
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.0.3
>         Environment: linux
> tomcat5.5.19
> java 1.5.02
>            Reporter: Jonathan Baker
>         Assigned To: Craig McClanahan
> I currently have a page with a list of items on it.  For each line, there is a link to
select one of the items.  When an item is selected, the action method bound to that link fetches
the item from a database and retruns an outcome that has a navigation rule to navigate to
a item detail page.  Based on some values in that item, we would like to display a message
to the user.   I initally added those methods in the prerender method of the view controller
of the item detail page.  It looks though that prerender in the case described above is not
being called on the view controller of the detail page because at the time of beforeRenderResponse
phase the ViewController for the new page has not been added to the request scope map.
> The ViewController doesn't actually get added to the request map until the first reference
to it is found when parsing the jsp page components which occurs sometime during the RenderResponse
jsf phase.
> The prerender plug point is essentially useless.  It will get called anytime I take an
action that stays on the current page, but when navigating from one page to another, it will
never get called.

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