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From "Matt Benson (JIRA)" <>
Subject [jira] Closed: (COMMONSSITE-19) Project Proposal: Physics / Measuring
Date Thu, 30 Aug 2007 14:40:30 GMT


Matt Benson closed COMMONSSITE-19.

    Resolution: Invalid

With regard to creating new commons components, I'd say you were misinformed when a list member
suggested you enter these as JIRA issues.  Please see:
for a rough idea of the process by which a new component could be started in Commons (by somone
who is not already an ASF committer).  Further, on this proposal you've already had on-list
feedback from two Commons PMC members suggesting that this package, while wholly worthwhile
in concept, would represent--as far as we can tell--a duplication of effort wrt > 1 existing
package, so contributing to those efforts might be a better use of your time.  It's hard to
perceive any benefit to starting a competing effort in Apache Commons.  I realize you had
entered this issue before receiving PMC feedback, so please don't read this as you being scolded
for following through on the advice you were given to create a JIRA issue.


> Project Proposal: Physics / Measuring
> -------------------------------------
>                 Key: COMMONSSITE-19
>                 URL:
>             Project: Commons All
>          Issue Type: New Feature
>         Environment: Java 5.0 and higher, all platforms
>            Reporter: Matt Rothe
> The measuring project is a physics related library containing classes for all sorts of
measuring units, their prefixes and measurables, objects that take a subtype of Number and
a measuring unit.
> Those measurables will be capable of converting themselves into target measurables of
the same or a related measuring unit. Say you have an object of the measurable type meters
and want to convert it to miles. All you would need to do is passing the meters object the
desired measuring unit and prefix and you'd get a new measurable of the target unit and prefix
and the converted value.
> Furthermore all measurables, measuring units and prefixes will be able to tell their
names (and values) in a locale sensitive way, either abbreviated (e.g. km) or fully (e.g.

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