RFR: JDK-8292276 : Missing color names in CSS.

[ExE Boss]

On Wed, 10 Aug 2022 20:00:29 GMT, ScientificWare <duke at openjdk.org> wrote:

> This is referenced in Java Bug Database as
> - [JDK-8292276 : Missing color names in CSS](https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8292276)
> 
> This is tracked in JBS as 
> - [JDK-8292276 : Missing color names in CSS](https://bugs.openjdk.java.net/browse/JDK-8292276)
> 
> Adds missing color names, defined by CSS Level 4, in CSS.java :
> CSS Color Module Level 4
> W3C Candidate Recommendation Snapshot, 5 July 2022
> [7.1 Named Colors](https://www.w3.org/TR/css-color-4/#named-color)
> 
> Designed from : [ScientificWare JDK-8292276 : Missing color names in CSS](https://github.com/scientificware/jdk/issues/12)

src/java.desktop/share/classes/javax/swing/text/html/CSS.java line 1703:

> 1701:             color = hexToColor("#f5f5f5");
> 1702:         else if (str.equalsIgnoreCase("Yellowgreen"))
> 1703:             color = hexToColor("#9acd32");

This should probably use <code>switch([str.toLowerCase][String::toLowerCase]([Locale.ROOT]))</code> instead of a linear search.

[String::toLowerCase]: https://docs.oracle.com/en/java/javase/18/docs/api/java.base/java/lang/String.html#toLowerCase(java.util.Locale)
[Locale.ROOT]: https://docs.oracle.com/en/java/javase/18/docs/api/java.base/java/util/Locale.html#ROOT

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PR: https://git.openjdk.org/jdk/pull/9825