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8041488: Locale-Dependent List Patterns

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Reviewed-by: joehw, rriggs
This commit is contained in:
Naoto Sato 2023-09-11 16:48:22 +00:00
parent dd214d0f95
commit d0be73a780
7 changed files with 1019 additions and 8 deletions
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28
src/java.base/share/classes/sun/util/locale/provider/LocaleResources.java
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@ -42,6 +42,7 @@ package sun.util.locale.provider;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.SoftReference;
import java.text.ListFormat;
import java.text.MessageFormat;
import java.text.NumberFormat;
import java.util.Arrays;
@ -98,6 +99,7 @@ public class LocaleResources {
private static final String DATE_TIME_PATTERN = "DTP.";
private static final String RULES_CACHEKEY = "RULE";
private static final String SKELETON_PATTERN = "SP.";
private static final String LIST_PATTERN = "LP.";
// ResourceBundle key names for skeletons
private static final String SKELETON_INPUT_REGIONS_KEY = "DateFormatItemInputRegions";
@ -831,6 +833,32 @@ public class LocaleResources {
return rules;
}
/**
* {@return the list patterns for the locale}
*
* @param type a {@link ListFormat.Type}
* @param style a {@link ListFormat.Style}
*/
public String[] getListPatterns(ListFormat.Type type, ListFormat.Style style) {
String typeStr = type.toString().toLowerCase(Locale.ROOT);
String styleStr = style.toString().toLowerCase(Locale.ROOT);
String[] lpArray;
String cacheKey = LIST_PATTERN + typeStr;
removeEmptyReferences();
ResourceReference data = cache.get(cacheKey);
if (data == null || ((lpArray = (String[]) data.get()) == null)) {
ResourceBundle rb = localeData.getDateFormatData(locale);
lpArray = rb.getStringArray("ListPatterns_" + typeStr + (style == ListFormat.Style.FULL ? "" : "-" + styleStr));
if (lpArray == null) {
cache.put(cacheKey, new ResourceReference(cacheKey, new String[5], referenceQueue));
}
}
return lpArray;
}
private static class ResourceReference extends SoftReference<Object> {
private final String cacheKey;