[jira] Commented: (STR-2527) Attributes with false in TLD prevent EL evaluation

["Niall Pemberton (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/struts/browse/STR-2527?page=comments#action_37416 ] 

Niall Pemberton commented on STR-2527:
--------------------------------------

I've updated the JavascriptTag's "staticJavascript" attribute to allow runtime expressions (so that its consistent with the "dynamicJavascript" attribute) and modified the EL version of TLD for the Javascript tag to keep it in line with the standard one:

   http://svn.apache.org/viewvc?view=rev&revision=410116

As far as "taglib" sub-project goes this issue is resolved as the only attributes where runtime expressions are not allowed are the id attributes (and the indexId attribute on the IterateTag).

So what remains is to sort out tiles and there are quite a few attributes where runtime experessions are not allowed:

insert (attribute, beanScope, flush)
definition (scope)
put (name, direct, type, beanScope)
putList (name)
add (value, direct, type, beanScope)
get (flush)
initComponentDefintion (file, className)
useAttribute (className)
importAttribute (scope)

Since the tiles tags are more complicated than the standard ones it needs someone more familiar with tiles determine which attributes are appropriate to change.

> Attributes with <rtexprvalue>false</rtexprvalue> in TLD prevent EL evaluation
> -----------------------------------------------------------------------------
>
>          Key: STR-2527
>          URL: http://issues.apache.org/struts/browse/STR-2527
>      Project: Struts Action 1
>         Type: Improvement

>   Components: Tiles
>     Versions: 1.2.7
>  Environment: Operating System: other
> Platform: Other
>     Reporter: Marc Guillemot
>     Priority: Minor
>      Fix For: 1.3.5

>
> In different tld files, different attributes are configured with
> <rtexprvalue>false</rtexprvalue>
> which prevents using EL in a JSP 2.0 Servlet Container.
> This is the case for instance in
> - html: tag "javascript" attribute "dynamicJavascript"
> - tiles: tag "insert" attribute "attribute"
> - bean: tag "struts" attribute "id"
> I can't recognize any logic explaining why some attributes accept runtime
> expressions and other don't. I think that all attributes should accept runtime
> expression to allow EL use.

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