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----- Original Message -----
From: "otisg" <[EMAIL PROTECTED]>
To: "Hans Bergsten" <[EMAIL PROTECTED]>
Sent: Tuesday, December 09, 2003 11:45 AM
Subject: Re: Re: c:forEach, c:import and variable scope?
> Wow, thanks for quick replies (problem not 100% solved, but all
> replies helped!)
> Comment below.
>
> ---- On Tue, 09 Dec 2003, Hans Bergsten
> ([EMAIL PROTECTED]) wrote:
>
> > Karr, David wrote:
> > > I can't see how that could work. The "c:import" operation
> is processing
> > > that URL in an external context. You'd probably have to
> use
> > > "jsp:include" for that sort of thing.
> >
> > Actually, the problem is that <c:forEach> exposes the current
> element
> > through a _page_ scope variable named by the "var" attribute,
> and an
> > included page (whether by <c:import> or <jsp:include>) doesn't
> see
> > page scope variables.
>
> Right, that is why I tried using c:set with session="request",
> exactly as you wrote below. That didn't work with c:import.
>
> I did try <%@ include file="some/page.jsp" %> and that worked.
> I would still prefer a more JSTL-ish way.
>
> > You can "promote" the variable to request scope, which is seen
> by the
> > included page:
> >
> > [c:forEach var="foo" items="${bars}"]
> > [c:set var="foo" scope="request" value="${foo}"/]
> > [c:import url="some/page.jsp"/]
> > [/c:forEach]
>
> This didn't work for me with JBoss/Jetty (not the latest and
> greatest).
>
> I am trying the suggestion with c:param enclosed in c:import
> now...
>
> Otis
>
>
> > or, if you use JSP 2.0, use a "tag file" custom action instead
> of
> > including a different JSP page. See the sample chapter from
> the 3rd
> > edition of my JSP book (should be in the stores any day now)
> for more
> > about tag files:
> >
> >
> <http://www.oreilly.com/catalog/jserverpages3/chapter/index.html>
> >
> > Hans
> >
> > >>-----Original Message-----
> > >>From: otisg [mailto:[EMAIL PROTECTED]
> > >>
> > >>Here is the problem (using [] to avoid problems with email
> > >>clients not handling HTML well).
> > >>
> > >>Summary:
> > >>c:forEach loop, inside it c:import, but the c:import-ed JSP
> does
> > >>not see the var from the c:forEach loop.
> > >>
> > >>[c:forEach var="foo" items="${bars}"]
> > >> [c:import url="some/page.jsp"/]
> > >>[/c:forEach]
> > >>
> > >>In this page.jsp I try to access ${foo}, like so:
> > >>[c:out value="${foo}"/]
> > >>
> > >>No go. ${foo} seems undefined there :( page.jsp does not
> see
> > >>it. Scope issue?
> > >>
> > >>I then tried adding the following inside that c:forEach:
> > >>[c:set var="newFoo" value="${foo}" scope="request"/]
> > >>
> > >>However, that c:import-ed page.jsp does not see ${newFoo}
> > >>either. :(
> > >>
> > >>I am using jakarta-taglibs 1.0.3 with JBoss/Jetty.
> > >>
> > >>Is the above supposed to work?
> > >>How do I get the import-ed page.jsp to see a variable
> defined in
> > >>the page that imported it?
> > >>
> > >>Thanks,
> > >>Otis
> >
> >
> > --
> > Hans Bergsten
> <[EMAIL PROTECTED]>
> > Gefion Software
> <http://www.gefionsoftware.com/>
> > Author of O'Reilly's "JavaServer Pages", covering JSP 2.0 and
> JSTL 1.1
> > Details at
> <http://TheJSPBook.com/>
> >
> >
> >
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> >
>
>
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