RFR: 8293331: Refactor FileChannelImpl into operating system-specific components

Sat Sep 3 06:17:41 UTC 2022

On Sat, 3 Sep 2022 00:59:07 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Break up `sun.nio.ch.FileChannelImpl` in a manner similar but not identical to the refactoring of `sun.nio.fs.UnixFileSystem` performed in #10093.

FileChannel delegates to a FileDispatcher so there is already a place for OS specific code (both java and native code). I think we should try to lean on that before introducing a parallel hierarchy of classes.

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PR: https://git.openjdk.org/jdk/pull/10154