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From "Dominique Jean-Prost (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SHALE-175) Dialog statemachine and errorconditions should be queryable
Date Wed, 21 Jun 2006 10:55:16 GMT
    [ http://issues.apache.org/struts/browse/SHALE-175?page=comments#action_37575 ] 

Dominique Jean-Prost commented on SHALE-175:
--------------------------------------------

one of the problem is that the exception raised is very generic (ie IllegalArgumentException).
I think it could be at least changed to something a bit more specific, for example : ShaleStateMachineUnsynchronizedException
or whatever instead of the IllegalArgument.

Without needing a too much complex change that seems to be needed to fix the whole stuff,
it could add a way to deal with the issue.

> Dialog statemachine and errorconditions should be queryable
> -----------------------------------------------------------
>
>          Key: SHALE-175
>          URL: http://issues.apache.org/struts/browse/SHALE-175
>      Project: Shale
>         Type: Improvement

>   Components: Core
>     Versions: 1.0.3
>     Reporter: Hermod Opstvedt

>
> Hi
> Having been fiddling around with the Shale dialogs, there is one thing that I feel could
be improved on. The way it is now, if there is an error situation or if the user navigates
away from a dialog and later on navigates to say the start of the dialog, an exception is
raised. There is no way out of this, short of restarting the server. I think a more elegant
sultion would be if the state-engine could be queried by for instance the bean that kicks
off the dialog sequence. This way one could present a  more meaningful and customizeable feedback
to the user.
> Hermod

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