/**
 * Utility class for {@link DecimalFormatSymbols}.
 *
 * @author higa
 */
public abstract class DecimalFormatSymbolsUtil {

    private static final Map<Locale, DecimalFormatSymbols> CACHE = newConcurrentHashMap();

    /**
     * Do not instantiate.
     */
    protected DecimalFormatSymbolsUtil() {
    }

    /**
     * Returns {@link DecimalFormatSymbols}.
     *

        DecimalFormatSymbols symbol;
        if (locale != null) {
            symbol = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(locale);
        } else {
            symbol = DecimalFormatSymbolsUtil.getDecimalFormatSymbols();
        }
        return symbol;
    }

public class DecimalFormatSymbolsUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testGetDecimalFormatSymbols() throws Exception {
        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(Locale.GERMAN);
        System.out.println("DecimalSeparator:" + symbols.getDecimalSeparator());
        System.out.println("GroupingSeparator:" + symbols.getGroupingSeparator());
    }

        assertArgumentNotNull("locale", locale);

        if (s == null) {
            return null;
        }
        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(locale);
        final char decimalSep = symbols.getDecimalSeparator();
        final char groupingSep = symbols.getGroupingSeparator();
        final StringBuilder buf = new StringBuilder(20);