On Wednesday 15 April 2009 16:00:34 Russell Neufeld wrote:
> Hi all,
>
> We're porting an app from Struts 1 to Struts 2, and I'm having
> trouble figuring out how to conditionally include a portion of a JSP
> depending on the role of the user principal. In Struts 1 we did this:
>
> <logic:present role="SERVICE,SYSTEM">
> ... some html ...
> </logic:present>
>
> What's the preferred way of doing this in Struts2? Thanks,
>
> Russ
There are a couple of ways to do it, personally, I would use Spring Security
and incorporate their tag library. It will eliminate quite a bit of work on
your part.
Since you are probably pressed for time since this is an upgrade effort, the
better method would be to expose your user object in a way that you can get at
the list of roles (such as putting it in the session). Then, just use s:if and
some OGNL to check like this -
<s:if test="#session.user.roles.contains('REQUIRED_ROLE')">
...
</s:if>
-Wes
--
Wes Wannemacher
Author - Struts 2 In Practice
Includes coverage of Struts 2.1, Spring, JPA, JQuery, Sitemesh and more
http://www.manning.com/wannemacher
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