commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Stephen Colebourne" <scolebou...@btopenworld.com>
Subject Re: [lang] DateUtils round and truncate functionality with Calendar.AM_PM
Date Sun, 03 Aug 2003 23:56:52 GMT
Best guess:

roundDown 01:30 goes to 00:00
roundUp  01:30 goes to 12:00
roundDown 13:30 goes to 12:00
roundUp  13:30 goes to 00:00 next day

Stephen

----- Original Message -----
From: "Steven Caswell" <steve@mungoknotwise.com>
To: "'Jakarta Commons Developers List'" <commons-dev@jakarta.apache.org>
Sent: Monday, August 04, 2003 12:45 AM
Subject: RE: [lang] DateUtils round and truncate functionality with
Calendar.AM_PM


> I don't know that rounding to AM_PM makes sense. I'm having a difficult
time
> coming up with any rounding scenario that makes sense. I think it makes
> sense to say that the boundary is 12:00PM, and that times before that
value
> cause round down, and times after that value cause round up.
>
> But what does "round down" mean? What does "round up" mean? Maybe someone
> who has a use case for this functionality can provide a good suggestion.
>
> Steven Caswell
> steve@mungoknotwise.com
> 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: Sunday, August 03, 2003 6:32 PM
> > To: Jakarta Commons Developers List; steve@mungoknotwise.com
> > Subject: Re: [lang] DateUtils round and truncate
> > functionality with Calendar.AM_PM
> >
> >
> > I don't know what it should do offhand. Perhaps you could
> > suggest sensible behaviour?
> >
> > Stephen
> >
> > ----- Original Message -----
> > From: "Steven Caswell" <steve@mungoknotwise.com>
> > Does anyone  know how the DateUtils methods round and
> > truncate are suppose to behave when passed Calendar.AM_PM?
> > I've tried several combinations of round, and they all seem
> > to truncate instead. There is nothing in the Javadocs for
> > these methods about the expected result, and I'm not able to
> > tell if the methods are working properly.
> >
> >
> > Steven Caswell
> > steve@mungoknotwise.com
> > "In our own native land, in defense of the freedom that is
> > our birthright, and which we ever enjoyed till the late
> > violation of it -- for the protection of our property,
> > acquired solely by the honest industry of our fore-fathers
> > and ourselves, against violence actually offered, we have
> > taken up arms. We shall lay them down when hostilities shall
> > cease on the part of the aggressors, and all danger of their
> > being renewed shall be removed, and not before." - Thomas Jefferson
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: commons-dev-help@jakarta.apache.org
> >
> >
> >
> >
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-dev-help@jakarta.apache.org
>


Mime
View raw message