*
     * @param locale
     *            ロケール
     * @return 数値のセパレータ
     */
    public static String findDecimalSeparator(final Locale locale) {
        final DecimalFormatSymbols symbol = getDecimalFormatSymbols(locale);
        return Character.toString(symbol.getDecimalSeparator());
    }

    private static DecimalFormatSymbols getDecimalFormatSymbols(final Locale locale) {
        DecimalFormatSymbols symbol;

        /** ロケール */
        protected final Locale locale;

        /** 現在のスタイルを示すインデックス */
        protected int index;

        /**
         * インスタンスを構築します。
         *
         * @param locale
         *            ロケール
         */
        public DateFormatIterator(final Locale locale) {
            this.locale = locale;
        }

        @Override

        asDocMeta().version(version);
    }

    public Locale getLocale() {
        if (locale == null) {
            if (getValue() == null) {
                return Locale.ROOT;
            }
            locale = ComponentUtil.getFessConfig().getQueryLocaleFromName(getValue());
        }
        return locale;
    }

    @Override
    public String toString() {

        Locale locale = LocaleUtil.getDefault();
        if (localeStr != null) {
            final int index = localeStr.indexOf('_');
            if (index < 0) {
                locale = new Locale(localeStr);
            } else {
                final String language = localeStr.substring(0, index);
                final String country = localeStr.substring(index + 1);
                locale = new Locale(language, country);
            }

    /**
     * {@link DecimalFormatSymbols}を返します。
     *
     * @param locale
     *            ロケール。{@literal null}であってはいけません
     * @return {@link DecimalFormatSymbols}
     */
    public static DecimalFormatSymbols getDecimalFormatSymbols(final Locale locale) {
        assertArgumentNotNull("locale", locale);

        DecimalFormatSymbols symbols = CACHE.get(locale);
        if (symbols == null) {

import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import org.codelibs.core.misc.LocaleUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author higa
 */
public class TimestampConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After

    }

    @Override
    public void setProcessors(Iterable<? extends Processor> processors) {
        delegate.setProcessors(processors);
    }

    @Override
    public void setLocale(Locale locale) {
        delegate.setLocale(locale);
    }

    @Override
    public Boolean call() {
        try {
            return delegate.call();
        } finally {
            CompositeStoppable.stoppable(fileManager).stop();

// "rg" in the "u" extension.
func (t Tag) RegionalTag() Tag {
	rt := Tag{language: t.locale, locale: t.locale}
	if t.full == nil {
		return rt
	}
	b := language.Builder{}
	tag := t.Tag()
	// tag, _ = tag.SetTypeForKey("rg", "")
	b.SetTag(t.locale.Tag())
	if v := tag.Variants(); v != "" {
		for _, v := range strings.Split(v, "-") {
			b.AddVariant(v)
		}
	}

    }
  }

  private fun <T> withLocale(
    locale: Locale,
    block: () -> T,
  ): T {
    val previous = Locale.getDefault()
    try {
      Locale.setDefault(locale)
      return block()
    } finally {
      Locale.setDefault(previous)
    }
  }

  @Test fun testIllegalCharsetName() {
    val mediaType = parse("text/plain; charset=\"!@#$%^&*()\"")

import org.junit.After;
import org.junit.Test;

import java.math.BigDecimal;
import java.util.Locale;

import static org.junit.Assert.assertEquals;

public class LocaleSafeDecimalFormatTest {

    Locale defaultLocale = Locale.getDefault();

    @After
    public void revertLocalToDefault() {
        Locale.setDefault(defaultLocale);
    }

    @Test