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From Sandeep Takhar <sandeep_tak...@yahoo.com>
Subject Re: Is this really the best way to handle this problem
Date Wed, 16 Jul 2003 12:40:56 GMT
If you are using request scope beans than using the
getters and setters is quite normal.  Not too hackish
in my opinion..

sandeep
--- Linus Nikander <linus@nikander.net> wrote:
> First off, thank you for the reply.
> 
> As you point out both solutions that you suggest
> have a certain hackishness
> over them it would be nice to avoid. As displaying
> data from a DB-table,
> allowing that data to be edited (en masse, not one
> record at a time), must
> be a pretty common task, doesn't anyone have a more
> elegant solution when
> using struts ?
> 
> //Linus
> 
> 
> "John M. Corro" <john.corro@cornerstone.net> wrote
> in message
> news:3f143e57.2401.0@athenet.net...
> > I've seen two ways of dealing w/ this problem,
> both of which I see as
> 'hackish'
> > in nature.
> >
> > Solution A:
> >
> > In your getters/setters you implement the
> following code
> >
> > public MyCustomBean getMyCustomBean(int index) {
> >    while(index >= myCustomBeanList.size()) {
> >       myCustomBeanList.add(new MyCustomBean());
> >    }
> >    return
> (MyCustomBean)myCustomBeanList.get(index);
> > }
> >
> > In that way you'll never encounter the common
> IndexOutOfBoundsException.
> The
> > problem here is that you tend to use alot of
> hidden fields in your UI to
> repopulate
> > the data back into the dynamically created beans.
> >
> > Solution B:
> >
> > In your reset() method you repopulate your
> internal Collection of beans.
> The
> > problem w/ this approach is that often times you
> have a separate Action
> that
> > prepopulates your ActionForm.  This provides for
> good separation - the
> Action
> > is a retriever of a data (nothing more) and the
> ActionForm is merely a
> container
> > for data (nothing more).  With this approach your
> ActionForm suddenly
> starts
> > becoming more intelligent than it really should
> be.  Now it's aware of how
> to
> > populate itself...not a good thing IMO.
> >
> > I'd be very interested in hearing other solutions
> to this problem as I
> find
> > both of the above solutions cumbersome and hackish
> and would love to stop
> implementing
> > them.
> >
> > >I've been struggling with a problem similar to
> the one described (and
> > >solved) at
> >
>
>http://www.mail-archive.com/struts-user@jakarta.apache.org/msg50901.html
> 
>
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