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From "Stephen Colebourne" <scolebou...@btopenworld.com>
Subject Re: [lang] Money/Units/Quantities [was Re: Conversion utilities]
Date Fri, 15 Nov 2002 00:13:49 GMT
+1, I've got some code too that I can merge in to fill any gaps.
I suggest we keep this in the [lang-sandbox] with CalendarUtils for the
moment.
Stephen

----- Original Message -----
From: "Steven Caswell" <steven@caswell.name>
> I have a Money class that I can contribute to get the ball rolling.
>
>
> Steven Caswell
> steven@caswell.name
> a.k.a Mungo Knotwise of Michel Delving
> "One ring to rule them all, one ring to find them..."
>
>
> > -----Original Message-----
> > From: Stephen Colebourne [mailto:scolebourne@btopenworld.com]
> > Sent: Thursday, November 14, 2002 4:29 PM
> > To: Jakarta Commons Developers List
> > Subject: [lang] Money/Units/Quantities [was Re: Conversion utilities]
> >
> >
> > http://www.dautelle.com/jade is the most well known units and
> > quantities package. It also follows the JSR on the subject.
> > In some ways, it would be nice to see this work brought under
> > the Jakarta Commons group, as there is much useful code there.
> >
> > Even if we don't intend to have a whole units package in
> > [lang], we should probably have Money and Currency classes.
> > They are pretty fundamental to many business applications. (I
> > don't think that a [money] is required here
> > ??)
> >
> > Stephen
> >
> > ----- Original Message -----
> > From: "Henri Yandell" <bayard@generationjava.com>
> > To: "Jakarta Commons Developers List" <commons-dev@jakarta.apache.org>
> > Cc: <yan@studylink.com>
> > Sent: Thursday, November 14, 2002 7:54 PM
> > Subject: Re: Conversion utilities
> >
> >
> > >
> > >
> > > On Thu, 14 Nov 2002, Jeff Varszegi wrote:
> > >
> > > > Janek,
> > > >
> > > > I made an interface called Range that is supported by
> > classes called
> > > > ComparableRange etc.  The ComparableRange class can use
> > any objects
> > > > that support Comparable (or, alternately, any objects with a
> > > > supplied Comparator), and I also made specific versions
> > for Date and
> > > > Double to
> > >
> > > +1. Why did no one think of this before? We're all fined one weeks
> > > +pay.
> > >
> > > > eliminate unnecessary casting.  I needed the Date one for
> > code I'm
> > > > writing.  I didn't get the time to implement any for
> > primitive types
> > > > yet.
> > >
> > > > Range supports disjoint ranges of values, checking to see
> > if a value
> > > > falls within the range, merging two ranges, etc.
> > >
> > > So this is like NumberRange, but genericises it and makes it cool?
> > >
> > > > I will send my code as soon as I can-- right now I'm setting up a
> > > > home network, and my laptop isn't on it yet.  In the
> > meantime, can
> > > > you post the CurrencyRange code you've got?  Thanks a lot. I
> > > > definitely think it will be of general-purpose
> > application.  I don't
> > > > know of any quantities library either, but I'd be
> > thrilled to take a
> > > > look at one.
> > >
> > > Jade's the only one I've heard of. By a guy over in .fr I
> > think. For
> > > quantities that is, always heard good things of it.
> > >
> > > Hen
> > >
> > >
> > > --
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> > >
> >
> >
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> >
>
>
>
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