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8371339: Illegal pattern char 'B' with locale.providers as HOST on macOS for Taiwanese

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Reviewed-by: jlu, rriggs
This commit is contained in:
Naoto Sato 2025-11-13 00:31:10 +00:00
parent 705bd6fbdc
commit d2571ea76a
1 changed files with 12 additions and 1 deletions
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13
src/java.base/macosx/classes/sun/util/locale/provider/HostLocaleProviderAdapterImpl.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -874,6 +874,17 @@ public class HostLocaleProviderAdapterImpl {
sb.append('\'');
break;
case 'B':
// 'B' character (day period) is not supported by SimpleDateFormat,
// this is a workaround in which 'B' character
// appearing in macos' pattern string (based on LDML) is replaced
// with 'a' character and hence resolved with am/pm strings.
// This workaround is based on the fallback mechanism
// specified in LDML spec for 'B' character, when a locale
// does not have data for day period ('B')
appendN('a', count, sb);
break;
default:
appendN(cldrLetter, count, sb);
break;