I mentioned many moons ago that I had created a DateRange class for some vicious date mangling that I had to do. I have now modified it to fit into lang.time, and attached the class + unit test to a bug:

http://issues.apache.org/bugzilla/show_bug.cgi?id=38800

I've been away from the commons scene for awhile, so I may have missed some protocol-related details. It'd be great if someone could take a look at what I've done.

Below is a quick API description of what is there. I think that subtract is a little iffy (although I did have a need for it), but the rest seems to be fairly simple.

Assuming that my commit rights are still in effect, I could add this to the codebase myself -- but I wanted to get some feedback to make sure we were all on the same page.

Thanks!

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DateRange(Date startDate, Date endDate)

equals, compareTo, toString
-- basic stuff

long getTime()
-- endDate.getTime() - startDate.getTime()

boolean contains(Date)
boolean contains(DateRange)
-- true if this range contains the specified Date or DateRange

boolean intersects(DateRange)
-- true if this range intersects with the specified DateRange

DateRange intersection(DateRange)
-- returns a DateRange representing the intersection between this and the specified range.

List subtract(DateRange)
-- returns one or more DateRanges representing the difference between the two ranges. If the specified range is larger than this, than the list is empty (representing a null range). If this contains the specified range, then the result will have two parts, a range from the start of this to the start of the specified range, and a range from the end of the specified range to the end of this.

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