On Wed, 25 Sep 2002, Scott Sanders wrote:
> Date: Wed, 25 Sep 2002 19:41:53 -0700
> From: Scott Sanders <[EMAIL PROTECTED]>
> Reply-To: Jakarta Commons Developers List <[EMAIL PROTECTED]>
> To: Jakarta Commons Developers List <[EMAIL PROTECTED]>
> Subject: RE: Design question on BeanUtils.populate()
>
> > Although <jsp:setProperty> was one of the inspirations that
> > led to the creation of BeanUtils.populate(), I chose not to
> > slavishly copy the JSP semantics -- in particular the very
> > very wierd handling of zero-length Strings. I found it much
> > more useful in typical form fill-in scenarios to deal with
> > cases like this:
> > * Form is displayed with a non-zero-length string value
> > * User erases all the characters in the String (assumes an
> > optional field)
> > * When submitted, the corresponding bean property is changed
> > to a zero length String
> >
> > The JSP semantics would fail to operate as expected in such a scenario
> >
> > > Q. Is this going to be changed?
> >
> > I would -1 such a proposal.
> >
> > > Q. Assuming above answer is no, why?
> > >
> >
> > Backwards compatibility. Every Struts-based app in the world
> > depends on the current behavior implicitly, so changing it
> > would break them all.
> >
>
> I would also tend to agree. The jsp: semantic is brain dead. Sun, can
> you hear this? :)
>
Of course ... but it's too late to change that semantic as well, for the
same reason :-).
Craig
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