[wildfly-dev] Smoothing the move from JDK 6 to 7

Bill Burke bburke at redhat.com
Fri Aug 30 18:13:48 EDT 2013


BTW, are there any EE7 specs that use Java 7 syntax/apis?  I know we 
avoided this in JAx-Rs although it would have been nice to use Closeable.

On 8/30/2013 6:01 PM, Jason Greene wrote:
> The biggest problem with the diamond operators isn't bytecode, its back porting into EAP.
>
> On Aug 30, 2013, at 4:46 PM, David M. Lloyd <david.lloyd at redhat.com> wrote:
>
>> At this point in time, I'd say just about everyone wants to move ahead
>> with Java 7 syntax because let's face it: there's a lot of nice stuff in
>> there.  But until now, doing so meant that projects which rely on
>> running on JDK 6 until the heat-death of the universe are on a fast road
>> to pain and suffering.
>>
>> Well, all that ends today... introducing "seven2six" [1], a tiny tool
>> (only two source files) which losslessly converts version 51.0 (1.7)
>> class files to version 50.0 (1.6).
>>
>> With this tool in your build, you can switch your language level to 1.7
>> without alienating your 1.6 users.  I've already got this integrated
>> with JBoss Modules (it's quite simple to do as the README describes).
>>
>> This could end Brian's major pet peeve of rooting out diamond operator
>> usage in new WildFly files, among other issues.  I want to know what you
>> guys think of bringing this in to WildFly (maybe even in to
>> jboss-parent, honestly).  The initial version is released to Maven
>> already at org.jboss.seven2six:seven2six:1.0.Final so feel free to mess
>> with it and suggest improvements (just use the GH bug tracker for now I
>> guess).
>>
>> Thanks to Kabir Khan for the original idea and implementation/POC (I
>> just polished it up with ASM), and James Perkins for the Maven
>> integration code.
>>
>> [1] https://github.com/dmlloyd/seven2six
>> --
>> - DML
>> _______________________________________________
>> wildfly-dev mailing list
>> wildfly-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/wildfly-dev
>
> --
> Jason T. Greene
> WildFly Lead / JBoss EAP Platform Architect
> JBoss, a division of Red Hat
>
>
> _______________________________________________
> wildfly-dev mailing list
> wildfly-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/wildfly-dev
>

-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com


More information about the wildfly-dev mailing list