RFR: 8349083: Factor out filename handling code from logging

[Zhengyu Gu]

On Thu, 13 Feb 2025 00:17:54 GMT, David Holmes <dholmes at openjdk.org> wrote:

> > I am not trying to standardize timestamp in this PR, but a simple refactor so that we don't have wildcard parsing and replacing code all over the places.
> 
> Understood, though I was hoping for some standardizing as having %t mean different things in different kinds of log files is not good,

I do see that using vm start time to standardizing `%t` probably is not preferred in other scenarios. For example,  heap dump, I would prefer to use `current` time, so that I can align with gc log. Probably the same applies to JFR dump.

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PR Comment: https://git.openjdk.org/jdk/pull/23410#issuecomment-2655364288