Re: Tiles referencing actions.

[Cedric Dumoulin]

 A "forward" change the current request processing from one servlet to 
another, but stay on server side, and the request object is the same.
 A redirect send a response to the client (the browser), instructing it 
to send another request to the specified URL. The request object change 
because another request is issue.
Building a page with Tiles  require that you keep the same request 
object until you complete the page. So, you can only use forward, and 
not redirect.

  Cedric

ROSSEL Olivier wrote:

But when I want to tiles:put the output of the LoginState 
action into the
loginBox :






, nothing appears.

My question:
is it possible to have tiles:put to display the output of an 
action, instead
of just the output of a 
(statically-referenced) jsp.
   


I answer to me:
yes you can reference to a Struts action from a tile.
But this action must not forward to a result page via a redirection
(:  will make the tile to display nothing.)

So my question is: why?
Having redirect="true" in the  of an action is quite
good. But it is incompatible with tiles, which are also quite good.

Is it a feature?

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RE: Tiles referencing actions.

[Martin Cooper]

On Fri, 15 Nov 2002, ROSSEL Olivier wrote:

> > But when I want to tiles:put the output of the LoginState
> > action into the
> > loginBox :
> >
> > 
> >  
> >  
> > 
> >
> > , nothing appears.
> >
> > My question:
> > is it possible to have tiles:put to display the output of an
> > action, instead
> > of just the output of a
> > (statically-referenced) jsp.
>
> I answer to me:
> yes you can reference to a Struts action from a tile.
> But this action must not forward to a result page via a redirection
> (:  will make the tile to display nothing.)
>
> So my question is: why?
> Having redirect="true" in the  of an action is quite
> good. But it is incompatible with tiles, which are also quite good.

Tiles needs to use request attributes to communicate information between
the tiles on a page. Using a redirect loses att request attributes,
because it requires a round trip to the browser and back.

--
Martin Cooper


>
> Is it a feature?
>
> This e-mail is intended only for the above addressee. It may contain
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> received it in error please delete it and immediately notify the sender.
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> accessed by someone other than the recipient, for system management and
> security reasons. This access is controlled under Regulation of
> Investigatory Powers Act 2000, Lawful Business Practises.
>
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> For additional commands, e-mail: 
>
>


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RE: Tiles referencing actions.

[ROSSEL Olivier]

> But when I want to tiles:put the output of the LoginState 
> action into the
> loginBox :
> 
> 
>  
>  
> 
> 
> , nothing appears.
> 
> My question:
> is it possible to have tiles:put to display the output of an 
> action, instead
> of just the output of a 
> (statically-referenced) jsp.

I answer to me:
yes you can reference to a Struts action from a tile.
But this action must not forward to a result page via a redirection
(:  will make the tile to display nothing.)

So my question is: why?
Having redirect="true" in the  of an action is quite
good. But it is incompatible with tiles, which are also quite good.

Is it a feature?

This e-mail is intended only for the above addressee. It may contain
privileged information. If you are not the addressee you must not copy,
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received it in error please delete it and immediately notify the sender.
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accessed by someone other than the recipient, for system management and
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Tiles referencing actions.

[ROSSEL Olivier]

I have made an action "LoginState" that redirects either to  IsLogged.jsp if
a user
has logged in my application, or to IsNotLogged.jsp if the user is a guest.

Now I would like to use tiles for my applciation and provide in the upper
right
part of my pages, the output of this "LoginState".

I have made my HTML template, the upper right part is referenced by the name
"loginBox".

But when I want to tiles:put the output of the LoginState action into the
loginBox :


 
 


, nothing appears.

My question:
is it possible to have tiles:put to display the output of an action, instead
of just the output of a 
(statically-referenced) jsp.



---cut here---


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