JDK-8189134 : New system properties for the default Locale extensions
- Type: Enhancement
- Component: core-libs
- Sub-Component: java.util:i18n
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2017-10-10
- Updated: 2017-12-15
- Resolved: 2017-12-12
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| JDK 10 |
|---|
10 b36Fixed  |
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Description
In order to specify the default Unicode Locale extensions (JEP JDK-8177568), there should be following (internal) system properties for the java launcher command line option "-D"
- user.extensions
- user.extensions.display
- user.extensions.format
The value for these properties should take the form of BCP47's "extension" (https://tools.ietf.org/html/bcp47):
---
extension = singleton 1*("-" (2*8alphanum))
; Single alphanumerics
; "x" reserved for private use
singleton = DIGIT ; 0 - 9
/ %x41-57 ; A - W
/ %x59-5A ; Y - Z
/ %x61-77 ; a - w
/ %x79-7A ; y - z
---
e.g. "u-ca-japanese" or "u-cu-jpy-nu-thai"