OK. Bob!
With this reasoning I will revert the decision.
I will continue build the 0.29.1 through 0.30 releases using the Java5
compiler and all checked in code needs to be Java5 code.
/Linus
2009/7/24 Bob Tarling <[email protected]>
> Moving to Java 5 gave us much needed language features to improve our
> code. New language features don't come with Java 6.
>
> Where Java6 may give performance improvements with the existing API
> then a user can switch to using that of their own choice.
>
> The only API feature I think I was curious of was the JTree. I think
> this has been improved and we have occasional bug reports due to
> strange tree behaviour of the explorer due to the standard Java JTree
> (control-click and then drag of multiple items is difficult). I was
> curious to see if that had been improved.
>
> Within GEF I followed a period of offering full Java1.3 support but
> including Java1.4 features (n particular mousewheel support to scroll
> diagram). I did this by compiling with Java1.4 JDK (but target set to
> Java1.3 during compile). Any source code that I knew to be calling
> Java1.4 API I placed within an if block that tested the JRE at runtime
> was appropriate before making the call. That worked fine but does
> include the danger of accidentally including new API features by
> accident.
>
> I'd suggest we leave things for the time being and wait for an
> argument from a developer who specifically needs a new API method. We
> can keep our rules on EOSL a little looser to give ourselves the
> option to drop support for a specific Java release at any time of our
> choosing once Sun support has ended but we can make that decision of
> exactly when for ourselves.
>
> When we need to do this we could follow a slightly better method than
> I did for GEF. As ArgoUML splits into more smaller components we could
> have alternative components loaded based on JRE at runtime. e.g. Load
> the Java6 based explorer component only if runtime is Java6 or above
> otherwise load the Java5 based explorer component. That removes the
> danger that was possible with GEF as each component is either built
> with Java5 or Java6 JDK with no change of target.
>
> Regards
>
> Bob.
>
> 2009/7/23 Linus Tolke <[email protected]>:
> > Hello Jan!
> > For the past years, we have used the policy to not provide new versions
> of
> > ArgoUML that runs on JRE's no longer supported by Sun (i.e. that EOSL or
> > EOL). This is allowing us to move forward in step with the oldest
> > Sun-version. EOL for Java1.4 was the biggest step in this because it
> meant
> > that we could start using Generics and Annotations.
> > /Linus
> >
> > 2009/7/23 Jan Barnholt <[email protected]>
> >>
> >> On 24/7/09 5:51 AM, Linus Tolke wrote:
> >>
> >> > Note that we could still build the Windows and tar releases with Java6
> >> > as long as we build specific Mac 32-bit releases using Java5 but that
> >> > would complicate the build process a little.
> >>
> >> Hmm, but what's the point if you couldn't use any Java6 features anyway
> >> because
> >> they would break the Mac/Java5 build..?
> >>
> >> Not sure about how switching Java versions was handled in the past,
> >> neither how
> >> big the Mac user base is anyway - but given the fact that ArgoUML is
> also
> >> targeting academic users, where computers in general tend to stay around
> >> in labs
> >> for quite a while, I was just wondering whether there are pressing
> reasons
> >> to
> >> switch to Java 6 now..?
> >>
> >> Cheers,
> >> Jan
> >>
> >> ------------------------------------------------------
> >>
> >>
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> >>
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