[jira] Commented: (TAPESTRY-707) Page Parameters

["Leonardo Quijano Vincenzi (JIRA)" <ta...@jakarta.apache.org>]

    [ http://issues.apache.org/jira/browse/TAPESTRY-707?page=comments#action_12356281 ] 

Leonardo Quijano Vincenzi commented on TAPESTRY-707:
----------------------------------------------------

This is a great idea which promotes orthogonality. I'd vote for this, but it's closed.
A major area of concern is that External Service is unusable (using parameter order to assign values it's a recipe for disaster), and Page Service doesn't allow for params to be set on the URL line. I'd contribute a PageService with named parameters, if only improvements where taken into account here.


> Page Parameters
> ---------------
>
>          Key: TAPESTRY-707
>          URL: http://issues.apache.org/jira/browse/TAPESTRY-707
>      Project: Tapestry
>         Type: Wish
>   Components: Framework
>     Versions: 4.0
>     Reporter: Claus Nielsen
>     Assignee: Howard M. Lewis Ship
>     Priority: Minor

>
> I am ew to Tapestry, but as I understand it, a common method of activating a page is:
> - Get the page (using @InjectPage or other methods)
> - Passing data to it using it's setters
> - Activating it.
> Exactly which setters must be used is not always obvious. Therefore it would be nice if it was possible to annotate the setters / fields a caller is expected to use to pass in parameters to the page.
> Then Tapestry could also check that all required parameters has been set before the page is activated.
> Taking this a bit further, Tapestry could even take take of calling the setters, if the injected page-getter (RequestCycle.activate()) accepted an object-array with all the parameters to use.

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