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From "Tom Schneider (JIRA)" <>
Subject [jira] Commented: (WW-1566) Switchable Expression Languages
Date Tue, 02 Jan 2007 02:41:16 GMT


Tom Schneider commented on WW-1566:

I was digging through the xwork source code a bit to see how feasible this would be.  It looks
like most of the valuestack stuff has been abstracted away in struts2 itself, so most of the
work would have to happen in xwork2.  As I see it, the general approach to doing this would
be look at what we're doing with ognl, then abstract it away into an interface(s) then implement
in terms of that interface.  (There really isn't that much to Ognl so I'm hoping this wouldn't
be too involved)  I'll be digging into this a bit--if I come up with an interface that would
work, I'll post it.

> Switchable Expression Languages
> -------------------------------
>                 Key: WW-1566
>                 URL:
>             Project: Struts 2
>          Issue Type: New Feature
>            Reporter: Don Brown
>             Fix For: Future
> It would be nice to be able to swap out the expression language used in Struts 2 through
a Struts 2 plugin.  This could be used, for example, to swap OGNL for MVEL or JSP EL.  

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