RFR: 8343395: SSLLogger doesn't work for formatted messages [v7]

[Weijun Wang]

On Fri, 19 Sep 2025 12:08:14 GMT, Sean Coffey <coffeys at openjdk.org> wrote:

>> SLSLogger is broken when used with with `System.Logger` (-Djavax.net.debug mode)
>> 
>> SSL Debug messages don't use format specifiers. As a result, any custom format data isn't printed. Proposed solution is to append the SSL custom format output to the original debug message. Similar approach used for `SSLConsoleLogger ` mode.
>> 
>> Used this opportunity to delete some old commented code and to replace use of `"\n"` with `System.lineSeparator()`
>> 
>> DebugPropertyValuesTest also updated to test new logic.
>
> Sean Coffey has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Avoid Supplier API call

Marked as reviewed by weijun (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25934#pullrequestreview-3245803599