RFR: 8303485: Replacing os.name for operating system customization

[Alan Bateman]

On Wed, 8 Mar 2023 19:15:16 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Improvements to support OS specific customization for JDK internal use:
>  - To select values and code; allowing elimination of unused code and values
>  - Optionally evaluated by build processes, compilation, or archiving (i.e. CDS)
>  - Simple API to replace adhoc comparisons with `os.name`
>  - Clear and consistent use across build, runtime, and JDK modules
>  
> The PR includes updates within java.base to use the new API.

src/java.base/share/classes/java/util/zip/ZipFile.java line 28:

> 26: package java.util.zip;
> 27: 
> 28: import jdk.internal.misc.OperatingSystem;

You might want to move this to be with the other imports of jdk.internal.

src/java.base/share/classes/jdk/internal/misc/OperatingSystem.java line 23:

> 21:  * questions.
> 22:  */
> 23: package jdk.internal.misc;

I see there is a follow on PR to see this in several modules. We can't have jdk.internal.misc exported widely as it contains Unsafe and several other important classes.   jdk.internal.util may be a better place, at the same of turning that package into a place for random stuff.

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PR: https://git.openjdk.org/jdk/pull/12931