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src/java.base/share/classes/sun/util/cldr/CLDRTimeZoneNameProviderImpl.java
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rev 54003 : [mq]: 8218948
@@ -71,35 +71,32 @@
super(type, langtags);
}
@Override
protected String[] getDisplayNameArray(String id, Locale locale) {
- String tzid = TimeZoneNameUtility.canonicalTZID(id).orElse(id);
- String[] namesSuper = super.getDisplayNameArray(tzid, locale);
+ // Use English for the ROOT locale
+ locale = locale.equals(Locale.ROOT) ? Locale.ENGLISH : locale;
+ String[] namesSuper = super.getDisplayNameArray(id, locale);
+
+ if (namesSuper == null) {
+ // try canonical id instead
+ namesSuper = super.getDisplayNameArray(
+ TimeZoneNameUtility.canonicalTZID(id).orElse(id),
+ locale);
+ }
- if (Objects.nonNull(namesSuper)) {
+ if (namesSuper != null) {
// CLDR's resource bundle has an translated entry for this id.
// Fix up names if needed, either missing or no-inheritance
namesSuper[INDEX_TZID] = id;
- // Check if standard long name exists. If not, try to retrieve the name
- // from language only locale resources. E.g., "Europe/London"
- // for en-GB only contains DST names
- if (!exists(namesSuper, INDEX_STD_LONG) && !locale.getCountry().isEmpty()) {
- String[] names =
- getDisplayNameArray(id, Locale.forLanguageTag(locale.getLanguage()));
- if (exists(names, INDEX_STD_LONG)) {
- namesSuper[INDEX_STD_LONG] = names[INDEX_STD_LONG];
- }
- }
-
for(int i = INDEX_STD_LONG; i < namesSuper.length; i++) { // index 0 is the 'id' itself
switch (namesSuper[i]) {
case "":
// Fill in empty elements
deriveFallbackName(namesSuper, i, locale,
- namesSuper[INDEX_DST_LONG].isEmpty());
+ !exists(namesSuper, INDEX_DST_LONG));
break;
case NO_INHERITANCE_MARKER:
// CLDR's "no inheritance marker"
namesSuper[i] = toGMTFormat(id, i == INDEX_DST_LONG || i == INDEX_DST_SHORT,
i % 2 != 0, locale);
@@ -139,31 +136,34 @@
return ret;
}
// Derive fallback time zone name according to LDML's logic
private void deriveFallbackNames(String[] names, Locale locale) {
+ boolean noDST = !exists(names, INDEX_DST_LONG);
for (int i = INDEX_STD_LONG; i <= INDEX_GEN_SHORT; i++) {
- deriveFallbackName(names, i, locale, false);
+ deriveFallbackName(names, i, locale, noDST);
}
}
private void deriveFallbackName(String[] names, int index, Locale locale, boolean noDST) {
+ String id = names[INDEX_TZID];
+
if (exists(names, index)) {
if (names[index].equals(NO_INHERITANCE_MARKER)) {
// CLDR's "no inheritance marker"
- names[index] = toGMTFormat(names[INDEX_TZID],
+ names[index] = toGMTFormat(id,
index == INDEX_DST_LONG || index == INDEX_DST_SHORT,
index % 2 != 0, locale);
}
return;
}
// Check if COMPAT can substitute the name
if (LocaleProviderAdapter.getAdapterPreference().contains(Type.JRE)) {
String[] compatNames = (String[])LocaleProviderAdapter.forJRE()
- .getLocaleResources(locale)
- .getTimeZoneNames(names[INDEX_TZID]);
+ .getLocaleResources(mapChineseLocale(locale))
+ .getTimeZoneNames(id);
if (compatNames != null) {
for (int i = INDEX_STD_LONG; i <= INDEX_GEN_SHORT; i++) {
// Assumes COMPAT has no empty slots
if (i == index || !exists(names, i)) {
names[i] = compatNames[i];
@@ -182,13 +182,12 @@
if (regionFormatFallback(names, index, locale)) {
return;
}
// last resort
- String id = names[INDEX_TZID].toUpperCase(Locale.ROOT);
- if (!id.startsWith("UT")) {
- names[index] = toGMTFormat(names[INDEX_TZID],
+ if (!id.toUpperCase(Locale.ROOT).startsWith("UT")) {
+ names[index] = toGMTFormat(id,
index == INDEX_DST_LONG || index == INDEX_DST_SHORT,
index % 2 != 0,
locale);
// aliases of "GMT" timezone.
if ((exists(names, INDEX_STD_LONG)) && (id.startsWith("Etc/")
@@ -288,6 +287,35 @@
.replaceFirst("m+", "\\%2\\$02d");
return MessageFormat.format(gmtFormat,
String.format(l, hourFormat, offset / 60, offset % 60));
}
}
+
+ // Mapping CLDR's Simplified/Traditional Chinese resources
+ // to COMPAT's zh-CN/TW
+ private Locale mapChineseLocale(Locale locale) {
+ if (locale.getLanguage() == "zh") {
+ switch (locale.getScript()) {
+ case "Hans":
+ return Locale.CHINA;
+ case "Hant":
+ return Locale.TAIWAN;
+ case "":
+ // no script, guess from country code.
+ switch (locale.getCountry()) {
+ case "":
+ case "CN":
+ case "SG":
+ return Locale.CHINA;
+ case "HK":
+ case "MO":
+ case "TW":
+ return Locale.TAIWAN;
+ }
+ break;
+ }
+ }
+
+ // no need to map
+ return locale;
+ }
}
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