On Tuesday 19 Mar 2002 14H:29 pm, you wrote:
> On Tue, 19 Mar 2002, John Baker wrote:
> > When I was reading the spec, I got the impression this was possible:
> > (section 6.1.5)
> >
> > <c-rt:out value="<%= SomeClass.COST %>"/>
> >
> > So I'm assuming that the c-rt tld will evaluate SomeClass.COST as "the
> > variable COST in the class SomeClass". But that doesn't seem to work
> > either :-)
>
> <%= SomeClass.COST %> is an rtexprvalue; it means the same thing it means
> in Java: the public static variable "COST" in "SomeClass". But this
> isn't an JSTL expression or even something that JSTL knows how to
> evaluate; this is just a traditional rtexprvalue.
>
> The two aren't intended to work the same. If they were, we wouldn't have
> needed an expression language! :-)
Ah ha, so that's how I can achieve what I want using JSTL? :-) Well, in a
round-a-bout kind of way. :-)
I only today realised what "-rt" actually means, ie you can use <%=
moo.doSomething() %> and that will actually get evaluated. I think :-)
Ok, one more before I shut up.
I'm trying to write this in JSTL:
if (request.getParameter("moo").equals("cows"))
and so far I've got:
<c:if test="${request.parameter.moo == 'cows'}">
but it doesn't work ;-) I'm also assuming the test method uses the java
.equals for == and not the Java ==, otherwise "moo" would never == "moo", two
object references and all.
John
--
John Baker, BSc CS.
Java Developer, TEAM/Slb. http://www.teamenergy.com
Views expressed in this mail are my own.
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