RFR: 8353642: Deprecate URL::getPermission method and networking permission classes for removal [v4]

[Daniel Fuchs]

On Thu, 8 May 2025 16:10:18 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Please find her a patch that deprecate networking permission classes for removal. The method `URL::getPermission` now serves little  purpose and is also deprecated. That method was overridden in subclasses and specified to return some of the deprecated permissions.
>
> Daniel Fuchs has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - Merge branch 'master' into deprecate-net-perms-8353642
>  - Revert changes to SocketPermission and CodeSource
>  - Review feedback. Deprecate getPermission for removal.
>  - Missing white spaces
>  - 8353642: Deprecate networking permission classes for removal

After discussion with @seanjmullan we decided to revert the changes to `SocketPermission` and `CodeSource` from this PR. Deprecation of `SocketPermission` will be the object of another RFE ([JDK-8356557](https://bugs.openjdk.org/browse/JDK-8356557)) - once we have decided what to do with `CodeSource::implies`.

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PR Comment: https://git.openjdk.org/jdk/pull/24592#issuecomment-2863592195