<Swing Dev> RFR: 8271456: Avoid looking up standard charsets in "java.desktop" module

[Alexander Zvegintsev]

On Sun, 1 Aug 2021 07:07:21 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> This is a request to clean up a desktop module as was done in JDK-8233884 for "java.base" module.
> 
> In many places standard charsets are looked up via their names, for example:
> absolutePath.getBytes("UTF-8");
> 
> This could be done more efficiently(x20 time faster) with use of java.nio.charset.StandardCharsets:
> absolutePath.getBytes(StandardCharsets.UTF_8);
> 
> The later variant also makes the code cleaner, as it is known not to throw UnsupportedEncodingException in contrary to the former variant.
> 
> Tested by the desktop headless/headful tests on linux/windows.

Marked as reviewed by azvegint (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/4951