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8340073: Support "%z" time zone abbreviation format in TZ files

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Reviewed-by: jlu, joehw, coffeys
This commit is contained in:
Naoto Sato 2024-09-16 20:03:00 +00:00
parent b26645f64b
commit 418bb42b95
2 changed files with 17 additions and 9 deletions
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16
make/jdk/src/classes/build/tools/cldrconverter/CLDRConverter.java
View File

@ -786,7 +786,10 @@ public class CLDRConverter {
String tzKey = Optional.ofNullable((String)handlerSupplMeta.get(tzid))
.orElse(tzid);
// Follow link, if needed
var tzLink = tzdbLinks.get(tzKey);
String tzLink = null;
for (var k = tzKey; tzdbLinks.containsKey(k);) {
k = tzLink = tzdbLinks.get(k);
}
if (tzLink == null && tzdbLinks.containsValue(tzKey)) {
// reverse link search
// this is needed as in tzdb, "America/Buenos_Aires" links to
@ -1214,7 +1217,7 @@ public class CLDRConverter {
private static Set<String> getAvailableZoneIds() {
assert handlerMetaZones != null;
if (AVAILABLE_TZIDS == null) {
AVAILABLE_TZIDS = new HashSet<>(ZoneId.getAvailableZoneIds());
AVAILABLE_TZIDS = new HashSet<>(Arrays.asList(TimeZone.getAvailableIDs()));
AVAILABLE_TZIDS.addAll(handlerMetaZones.keySet());
AVAILABLE_TZIDS.remove(MetaZonesParseHandler.NO_METAZONE_KEY);
}
@ -1490,13 +1493,14 @@ public class CLDRConverter {
/*
* Convert TZDB offsets to JDK's offsets, eg, "-08" to "GMT-08:00".
* If it cannot recognize the pattern, return the argument as is.
* Returning null results in generating the GMT format at runtime.
*/
private static String convertGMTName(String f) {
try {
// Should pre-fill GMT format once COMPAT is gone.
// Till then, fall back to GMT format at runtime, after COMPAT short
// names are populated
ZoneOffset.of(f);
if (!f.equals("%z")) {
// Validate if the format is an offset
ZoneOffset.of(f);
}
return null;
} catch (DateTimeException dte) {
// textual representation. return as is

10
src/java.base/share/classes/sun/util/cldr/CLDRTimeZoneNameProviderImpl.java
View File

@ -264,7 +264,13 @@ public class CLDRTimeZoneNameProviderImpl extends TimeZoneNameProviderImpl {
}
private String toGMTFormat(String id, boolean daylight, Locale l) {
var zr = ZoneInfoFile.getZoneInfo(id).toZoneId().getRules();
LocaleResources lr = LocaleProviderAdapter.forType(Type.CLDR).getLocaleResources(l);
ResourceBundle fd = lr.getJavaTimeFormatData();
var zi = ZoneInfoFile.getZoneInfo(id);
if (zi == null) {
return fd.getString("timezone.gmtZeroFormat");
}
var zr = zi.toZoneId().getRules();
var now = Instant.now();
var saving = zr.getTransitions().reversed().stream()
.dropWhile(zot -> zot.getInstant().isAfter(now))
@ -276,8 +282,6 @@ public class CLDRTimeZoneNameProviderImpl extends TimeZoneNameProviderImpl {
.orElse(0);
int offset = (zr.getStandardOffset(now).getTotalSeconds() +
(daylight ? saving : 0)) / 60;
LocaleResources lr = LocaleProviderAdapter.forType(Type.CLDR).getLocaleResources(l);
ResourceBundle fd = lr.getJavaTimeFormatData();
if (offset == 0) {
return fd.getString("timezone.gmtZeroFormat");