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From "Martin Cooper" <mart...@apache.org>
Subject Re: JSTL-EL question (instanceOf)
Date Thu, 16 Mar 2006 23:44:33 GMT
On 3/16/06, Luca Passani <passani@eunet.no> wrote:
>
> Hi
>
> here is my problem today. I am dealing with an API that I have not
> written and that is not very object oriented.
>
> I have a list of objects that have no common super class (or better,
> they have Object).
> In my JSP, which I would love to keep scriptlets-free, I need to loop
> through the list and treat each object differently depending on the
> type. Is there a way to do instanceOf using EL?


Not with just EL, but see:

http://jakarta.apache.org/taglibs/sandbox/doc/unstandard-doc/index.html#instanceOf

--
Martin Cooper


<c:forEach var="item"  items="${content_list}">
> <c:if test="${item.instanceOf(MySpecialClass)}">
>     render my special class
> </c:if>
>    :
>
> it should work on the same version of JSP supported by Tomcat 4 (1.2 if
> my memory doesn't fail me).
>
> Thanks
>
> Luca
>
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