On Wed, 26 Apr 2023 22:20:37 GMT, Justin Lu <j...@openjdk.org> wrote:
> Please review this PR which adds the method `caseFoldLanguageTag(String > languageTag)` to java.util.Locale. > > This method case folds a language tag to adhere to _[section 2.1.1. > Formatting of Language Tags of > RFC5646](https://www.rfc-editor.org/rfc/rfc5646.html#section-2.1)_. This > format is defined as _"All subtags, including extension and private use > subtags, use lowercase letters with two exceptions: two-letter and > four-letter subtags that neither appear at the start of the tag nor occur > after singletons. Such two-letter subtags are all uppercase ... and > four-letter subtags are titlecase."_. > > > In order to match the behavior of existing language tag related Locale > methods, this method matches the 2.1.1 RFC5646 specification with the > following **exceptions**: > - Will not case fold variant subtags > - Will not case fold private use subtags prefixed by "lvariant" > > As an example, > `caseFoldLanguageTag("ja-kana-jp-x-lvariant-Oracle-JDK-Standard-Edition")` > returns _"ja-Kana-JP-x-lvariant-Oracle-JDK-Standard-Edition"_. Further > examples can be seen in the test file. This pull request has now been integrated. Changeset: 82bcee76 Author: Justin Lu <j...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/82bcee76ea6f5a0624c3ed1d7e4a262d59bfbe37 Stats: 279 lines in 3 files changed: 274 ins; 3 del; 2 mod 8159337: Introduce a method in Locale class to return the language tags as per RFC 5646 convention Reviewed-by: naoto, rriggs ------------- PR: https://git.openjdk.org/jdk/pull/13679
