RFR: 8368030: Make package bundlers stateless [v2]

[Alexander Matveev]

On Thu, 25 Sep 2025 22:37:50 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

>> Introduce `jdk.jpackage.internal.SystemEnvironment` interface to describe system tools needed for building specific package bundles with three immediate subinterfaces: `WinSystemEnvironment`, `LinuxSystemEnvironment`, and `MacDmgSystemEnvironment`.
>> 
>> `LinuxSystemEnvironment` has two subinterfaces: `LinuxDebSystemEnvironment` and `LinuxRpmSystemEnvironment`.
>> 
>> There is no `MacSystemEnvironment` interface as pkg and dmg bundlers are unrelated, unlike rpm and deb bundlers, which share a fair amount of code.
>> 
>> There is no `MacPkgSystemEnvironment` interface because the pkg bundler doesn't validate tools.
>> 
>> Instances of these interfaces are created as member fields of the corresponding bundler classes, i.e., bundling system tools are validated only once when a specific bundler is instantiated.
>> 
>> Move the bundling code away from *Bundler classes into *Packager classes and completely isolate it from the "params". This is a follow-up for the effort to isolate the "params" in [JDK-8333664](https://bugs.openjdk.org/browse/JDK-8333664).
>
> Alexey Semenyuk has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use Path.equals() instead of String.equals() to compare path objects

Looks good.

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Marked as reviewed by almatvee (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27377#pullrequestreview-3269694409