Re: [Webwork-user] Session interaction

[Maurice C . P. <Ma...@Vi...>]

* Rickard Oberg (ri...@te...) wrote:
> Hey
> 
> Re: servlet agnostic session interaction. I think I have an interesting
> solution to this.
> 
> Let's introduce an interface SessionAware, which contains the method
> public void setSession(java.util.Map session);
> 
> When the action is created it is tested for SessionAware, and if the action
> implements it, it is called. However, since we want to keep the action
> servlet agnostic, it will get a Map and not the real Session. This Map will
> be a proxy object that simply converts the Map calls to Session calls.

Very elegant.

> 
> This way it should still be possible to run all actions without a servlet
> environment, for example in automatic testing (e.g. regression tests), and
> it should also be possible to reuse them in a Swing GUI, in which case the
> session is simply a HashMap or similar.

True.  The concept of a session is not particular to HTTP programming.

> 
> What do you think? Some of the methods in Session are not available in Map,
> but I figured it is "good enough" and one can always get to those extra
> methods by using ServletAware.

More than "good enough".  If you need the other methods you are probably 
worried about more than just maintaining state and should be using ServletAware.

> 
> Is this nirvana yet?

Yes!


Later,

Maurice