Hi,

I have a use case, where after the user "logs in" to the application
(handled by Spring Security) I need to start a "setup wizard" comprising
three views and their associated actions. These must be processed in strict
sequence and the user must not be allowed to break out by either typing a
URL into the browser or loading a bookmark. Once the "setup wizard" is
complete and the user moves into the application proper, (s)he should not be
able to re-enter the setup wizard, unless he first logs out & logs in again.
I had considered experimenting with the JQuery plugin to see if I could
implement this as a series of modal dialogs, but of course I need javascript
active at the client for this to work.

This appears to be the realm of either the ScopeInterceptor or the
SpringWebflow plugin, but I'm having difficulty in finding tutorials or
example code other than that cwiki.apache.org/S2PLUGINS (and the car
insurance example mentioned by the SpringWebflow plugin, is not shipped with
the download.) to help me decide which of these, if either, I should use.
I'd be grateful for any pointers.

In addition, since research suggests that it is practically impossible to
prevent, I need to be able to handle the situation where, after establishing
the session, the user opens multiple browser tabs into my app and runs
multiple functions at the same time, for example, starts editing orders for
two different customers in two seperate tabs. How do I keep "session data"
seperate for the two tabs? 

And my final use case, is that I have one other "activity" that *absolutely
must* be a session singleton. That is, it cannot start if the user is
running another action, and while it's active, the user cannot start another
action. What techniques/patterns is everyone using to handle this?

Regards 
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