Re: [Webwork-user] Executing multiple actions with only one request

[Matt B. <ma...@sm...>]

Need to get this scenario recorded. Aapo, will you add a comment?

http://opensource.atlassian.com/projects/webwork/secure/ViewIssue.jspa?id=10
000


----- Original Message -----
From: "Jason Carreira" <jas...@no...>
To: <web...@li...>
Sent: Thursday, June 06, 2002 7:45 AM
Subject: RE: [Webwork-user] Executing multiple actions with only one request


Here's an example of where action chaining would be useful

> -----Original Message-----
> From: Aapo Laakkonen [mailto:aap...@pr...]
> Sent: Wednesday, June 05, 2002 8:14 PM
> To: web...@li...
> Subject: [Webwork-user] Executing multiple actions with only
> one request
>
>
> Is there some way to execute multiple actions with only one request?
> Here is my views.properties file as an example (to show you what I'm
> trying to do):
>
> guestbook.action=guestbook.Guestbook
> guestbook.success=guestbook/default.vm
> guestbook.sign.action=guestbook.Guestbook!sign
> guestbook.sign.success=guestbook.action
>
> So the flow goes something like this:
>
> User signs guestbook:
>
> <form action="guestbook.sign.action">
> ...
> </form>
>
> CommandDriven Guestbook action's doSign() method gets called. When it
> has done the work... let's execute guestbook.action, that is mapped to
> guestbook.Guestbook (the same) class, but now the default doExecute()
> method get's called (that retrieves guestbook entries). After this the
> guestbook/default.vm file is displayed to the user.
>
> The problem is that it doesn't seem to work as WebWork tries to find a
> view when doSign()-method returns. It looks for /guestbook.action view
> that does not exists.
>
> I can propably use one of these:
>
> 1. use WebWork standard redirect action
>    - needs client side redirection
>    + URL gets updated and refreshing browser
>      does not do anything weird (or re-post)
>
> 2. use #action and #execute velocity macros
>    - ties velocity template to an action
>    - I don't like the idea that client needs
>      to know where to get the information, it
>      should only know what information exists
>      and use that
>    + solves the problem
>
> 3. call doExecute() method from doSign() method
>    - For me it is not elegant to call some method from
>      totally unrelated method only to get valuestack
>      populated
>    - Makes refactoring harder as it ties different parts
>      of software together
>    + 1 line of code
>
> So I'm requesting somekind of forwarding mechanism. Maybe
> something that
> is just like the standard redirect action, but does the work on server
> side.
>
> Or have I missed or misunderstood something in WebWork... does it
> already have this mechanism implemented?
>
> Kind Regards
> Aapo Laakkonen
>
>
>
> _______________________________________________________________
>
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> August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
>
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