tomcat-taglibs-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Stefan" <ni...@studioweb.com>
Subject Re: Beefing up JSTL EL in JSP 2
Date Sat, 12 Oct 2002 00:00:15 GMT
When are these changes due out ?

S

----- Original Message -----
From: "Hans Bergsten" <hans@gefionsoftware.com>
To: "Tag Libraries Users List" <taglibs-user@jakarta.apache.org>
Sent: Friday, October 11, 2002 7:51 PM
Subject: Re: Beefing up JSTL EL in JSP 2


> Shawn Bayern wrote:
> > On Fri, 11 Oct 2002, James Cook wrote:
> > [...]
> >>Will this new, improved EL support reflection-like function calls, and
> >>will we be able to:
> >>
> >>${mybean.customer(${page.range} * 2)}
> >
> >
> > Yes, though the syntax will work differently from what you have
> > assumed; it will instead look like
> >
> >  ${mybean.customer(pageScope.range * 2)}
> >
> > Note 'pageScope' instead of 'page' (this stays the same between JSTL 1.0
> > and JSTL 1.1 / JSP 2.0), and the fact that "${}" still refers to an
entire
> > expression, not a single variable reference.
>
> Shawn is rarely wrong, but here actually missed one detail: JSP 2.0 adds
> _functions_ to the EL, but not _methods_ as is used in this example.
> A function is a method on a specific class, declared in the TLD. It can
> then be used in an EL expression like this:
>
>    ${mylib:customer(mybean, pageScope.range * 2)}
>
> Hans
> --
> Hans Bergsten hans@gefionsoftware.com
> Gefion Software http://www.gefionsoftware.com
> JavaServer Pages http://TheJSPBook.com
>
>
> --
> To unsubscribe, e-mail:
<mailto:taglibs-user-unsubscribe@jakarta.apache.org>
> For additional commands, e-mail:
<mailto:taglibs-user-help@jakarta.apache.org>
>


--
To unsubscribe, e-mail:   <mailto:taglibs-user-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:taglibs-user-help@jakarta.apache.org>


Mime
View raw message