Thanks guys for the explanations and the links. Much clearer.
I love this mailing list ;o)
Antonio
2006/12/6, Jason Lee <lee_at_iecokc.com>:
>
> Whew! That's a much more coherent explanation than my ramblings.
> Thanks. :)
>
> -----
> Jason Lee, SCJP
> Programmer/Analyst
> http://www.iec-okc.com
>
>
> > -----Original Message-----
> > From: w.rittmeyer_at_jsptutorial.org
> > [mailto:w.rittmeyer_at_jsptutorial.org]
> > Sent: Wednesday, December 06, 2006 9:43 AM
> > To: users_at_glassfish.dev.java.net
> > Subject: AW: [JSF] UEL vs EL
> >
> > Hi Antonio,
> >
> > Unified Expression Language is - as the name implies - a
> > unification of both expression languages existing before
> > JSP2.1/JSF1.2.
> >
> > So the ${expr}-Systax is still valid as is the #{expr}-Syntax
> > and there is not need to change all ${expr}-expressions to
> > #{expr}-expressions.
> >
> > But both usages differ in meaning and therefore they are not
> > allowed everywhere.
> >
> > The ${expr} syntax means that this expression should be
> > evaluated immediately. So as soon as this expression is
> > reached it gets evaluated.
> >
> > The #{expr} syntax refers to deferred expressions. These kind
> > of expressions are evaluated at certain points in the JSF lifecycle.
> >
> > You can find more information here:
> > http://java.sun.com/developer/technicalArticles/J2EE/jstl/
> > and:
> > http://java.sun.com/products/jsp/reference/techart/unifiedEL.html
> >
> > According to what you've posted I'd assume that the ${expr}
> > syntax should be just fine for your purpose.
> >
> > Wolfram
> >
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> >
>
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