On 6/1/12 08:44 , Felix Meschberger wrote:
Hi

I would like to finalize version 3 of our parent POM.

In Rev. 1330389 I implemented FELIX-3486 as follows by defining properties for 
Java class file compliance and Java API use checking.

I have set the defaults to..

    * Java 1.3 for class file compliance
    * Java 1.3 API compatibility

The goal is to create bundles, which are usable by the least requirements. I 
think we should stick to that goal, even though it is ever harder to attain ...

Particularly, I am not sure any more about the Java API compatibility: Wouldn't 
it be better to use Java 1.4 as the default base line ?

I think 1.4 is the reasonable default.


Second, for Java 5 support we basically have two options:

   * creating Java 5 class files not usable on pre-Java 5 VMs
   * creating Java 4 class files not usable on Java 7 and later VMs

Me thinks, that we should have a guideline, that if a project uses Java 5 
language features (Generics, for-loops, autoboxing), the default build should 
target Java 5 where custom builds can still set the felix.build.target to jsr14.

WDYT ?

I think Java 5 class files should be the default if you are using Java 5 features.

Side question: In Framework, we try to target Java 1.4, but we need to use some Java 1.5 methods when we are running on such a JVM. So, I'd like its API check to be Java 1.4 and only issue warnings for Java 1.5 methods (or perhaps be able to list specific exceptions in specific files), is that possible?

-> richard


Regards
Felix

Reply via email to