JSTL and isUserInRole

[Jim Kennedy <ji...@gigaheads.com>]

Has anyone tried this using pure JSTL or Struts.  No rt.

I need to do something like this in JSP's

<c:if test="${pageContext.request.userInRole('foo') == true}" >

...

</c:if>

The above does not work.  How can I do this?  isUserInRole(String) is the
method I need to call.  Or maybe there is another way around this.  I want
to be able to show content conditionally on the j2ee role.


Jim Kennedy
IT Consultant



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Re: JSTL and isUserInRole

[Serge Knystautas <se...@lokitech.com>]

Jim Kennedy wrote:
> Has anyone tried this using pure JSTL or Struts.  No rt.
> 
> I need to do something like this in JSP's
> 
> <c:if test="${pageContext.request.userInRole('foo') == true}" >

EL doesn't support method evaluation, so yeah that won't work.

You can just create a simple tag on your own to do this.  As part of our 
company's core taglib we have.

<loki:inrole role="foo">

</loki:inrole>

So it only evaluates that if the user has that role.  You can then 
extend it as you need.  Maybe the next release of the JSTL will add a 
taglib that addresses security, but for right now, you're free to build 
it however you want.

-- 
Serge Knystautas
President
Lokitech >> software . strategy . design >> http://www.lokitech.com
p. 301.656.5501
e. sergek@lokitech.com


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