Jody Garnett a écrit :
> Can I ask if after all this we can use JScience more smoothly with
> geotools? I am quite fond on their Measure and Units constructs. Measure
> saves me *tones* of grief right now ...
The clash comes from the fact that Geotools still uses the (dead) JSR-108,
while JScience uses
JSR-275 for units management. We are facing two issues:
* JSR-275 is not yet approved and is in desperate need for volunteer time
before we get yet
another (and probably definitive) withdrawn from the JCP management. My
vacation time that
I shared between "JSR-275" and "coverage branch merge" is now finished,
and JSR-275 took a
lot of that time. This is why my "coverage branch merge" work is so
deceptive. My JSR-275
work is somewhat deceptive too since the specification - draft posted
there:
https://jsr-275.dev.java.net/servlets/ProjectDocumentList?folderID=5344&expandFolder=5344&folderID=0
still in way too early stage for being useful. I'm a very slow writer, and
writing in a
non-native language doesn't help... If we don't find a volunteer for
continuing the work,
I don't think I will be able to continue it myself before one or two
months. As long as
we don't have a finished specification, the whole javax.units package is
at risk of being
withdrawn by the JCP, forcing us to change all our dependencies. If we
switch to JSR-275
now, we may have to switch again if JSR-275 gets withdrawn. If we wait a
little bit, we
will switch only once no matter what happen: we will switch either to
JSR-275 or to
something else if JSR-275 gets withdrawn.
* The JScience implementation requires Java 5. I'm all for Java 5,
especially since we meet the
criterions for a switch as enumerated in the developer guide (JEE 5 is out
for a few months,
many JSE 5 updates have been released, and Java 6 is already in beta 2
phase - final release
scheduled this fall). But last time we asked about a switch to Java 5, we
have meet a very
strong opposition. Are the conditions for a switch better today?
Martin.
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