import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
@Override
public String getDisplayName(Locale locale) {
    Objects.requireNonNull(locale, "locale");
    LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased()
                                .getLocaleResources(locale);
    ResourceBundle rb = lr.getJavaTimeFormatData();
    return rb.containsKey("field.week") ? rb.getString("field.week") : toString();
}
 

import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
@Override
public String getDisplayName(Locale locale) {
    Objects.requireNonNull(locale, "locale");
    if (rangeUnit == YEARS) {  // only have values for week-of-year
        LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased()
                .getLocaleResources(locale);
        ResourceBundle rb = lr.getJavaTimeFormatData();
        return rb.containsKey("field.week") ? rb.getString("field.week") : name;
    }
    return name;
}
 

import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
/**
 * Gets the formatting pattern for date and time styles for a locale and chronology.
 * The locale and chronology are used to lookup the locale specific format
 * for the requested dateStyle and/or timeStyle.
 *
 * @param dateStyle  the FormatStyle for the date
 * @param timeStyle  the FormatStyle for the time
 * @param chrono  the Chronology, non-null
 * @param locale  the locale, non-null
 * @return the locale and Chronology specific formatting pattern
 * @throws IllegalArgumentException if both dateStyle and timeStyle are null
 */
public static String getLocalizedDateTimePattern(FormatStyle dateStyle, FormatStyle timeStyle,
        Chronology chrono, Locale locale) {
    Objects.requireNonNull(locale, "locale");
    Objects.requireNonNull(chrono, "chrono");
    if (dateStyle == null && timeStyle == null) {
        throw new IllegalArgumentException("Either dateStyle or timeStyle must be non-null");
    }
    LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased().getLocaleResources(locale);
    String pattern = lr.getJavaTimeDateTimePattern(
            convertStyle(timeStyle), convertStyle(dateStyle), chrono.getCalendarType());
    return pattern;
}
 

import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
/**
 * Returns a name for the locale's variant code that is appropriate for display to the
 * user.  If possible, the name will be localized for inLocale.  If the locale
 * doesn't specify a variant code, this function returns the empty string.
 *
 * @param inLocale The locale for which to retrieve the display variant code.
 * @return The name of the display variant code appropriate to the given locale.
 * @exception NullPointerException if <code>inLocale</code> is <code>null</code>
 */
public String getDisplayVariant(Locale inLocale) {
    if (baseLocale.getVariant().length() == 0)
        return "";

    LocaleResources lr = LocaleProviderAdapter.forJRE().getLocaleResources(inLocale);

    String names[] = getDisplayVariantArray(inLocale);

    // Get the localized patterns for formatting a list, and use
    // them to format the list.
    return formatList(names,
                      lr.getLocaleName("ListPattern"),
                      lr.getLocaleName("ListCompositionPattern"));
}
 

import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
private static String getDefaultPattern(Locale loc) {
    LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatProvider.class, loc);
    LocaleResources lr = adapter.getLocaleResources(loc);
    if (lr == null) {
        lr = LocaleProviderAdapter.forJRE().getLocaleResources(loc);
    }
    return lr.getDateTimePattern(DateFormat.SHORT, DateFormat.SHORT, null);
}
 

import sun.util.locale.provider.LocaleResources; //导入依赖的package包/类
/**
 * Gets the formatting pattern for date and time styles for a locale and chronology.
 * The locale and chronology are used to lookup the locale specific format
 * for the requested dateStyle and/or timeStyle.
 *
 * @param dateStyle  the FormatStyle for the date, null for time-only pattern
 * @param timeStyle  the FormatStyle for the time, null for date-only pattern
 * @param chrono  the Chronology, non-null
 * @param locale  the locale, non-null
 * @return the locale and Chronology specific formatting pattern
 * @throws IllegalArgumentException if both dateStyle and timeStyle are null
 */
public static String getLocalizedDateTimePattern(FormatStyle dateStyle, FormatStyle timeStyle,
        Chronology chrono, Locale locale) {
    Objects.requireNonNull(locale, "locale");
    Objects.requireNonNull(chrono, "chrono");
    if (dateStyle == null && timeStyle == null) {
        throw new IllegalArgumentException("Either dateStyle or timeStyle must be non-null");
    }
    LocaleResources lr = LocaleProviderAdapter.getResourceBundleBased().getLocaleResources(locale);
    String pattern = lr.getJavaTimeDateTimePattern(
            convertStyle(timeStyle), convertStyle(dateStyle), chrono.getCalendarType());
    return pattern;
}