}
        try {
            return new DecimalFormat(pattern).parse(value);
        } catch (final ParseException e) {
            throw new ParseRuntimeException(e);
        }

    }

    @Override
    public String getAsString(final Object value) {
        if (value == null) {
            return null;
        }
        return new DecimalFormat(pattern).format(value);
    }

    @Override

 *
 * TODO - need to sort out scaling when dividing or converting between units.
 */
public class Amount<Q> implements Comparable<Amount<Q>> {
    // decimalFormat is not thread safe - synchronize access to the instance
    private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("#.###", new DecimalFormatSymbols(Locale.US));
    private final BigDecimal value;
    private final Units<Q> units;
    private final BigDecimal normalised;

 */
package org.codelibs.core.text;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;

import org.codelibs.core.misc.LocaleUtil;

/**
 * {@link DecimalFormat}用のユーティリティクラスです。
 *
 * @author higa
 */
public abstract class DecimalFormatUtil {

    /**
     * 数値の文字列での表記を正規化します。
     *

    }

    public static String formatNumber(final long value, final String pattern) {
        final DecimalFormat df = (DecimalFormat) NumberFormat.getNumberInstance(getUserLocale());
        df.applyPattern(pattern);
        return df.format(value);
    }

    private static Locale getUserLocale() {

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

import static org.codelibs.core.lang.StringUtil.isEmpty;

import java.text.DecimalFormat;
import java.text.SimpleDateFormat;

import org.codelibs.core.misc.Base64Util;

/**
 * {@link String}用の変換ユーティリティです。
 *
 * @author higa
 */
public abstract class StringConversionUtil {

import org.gradle.internal.work.WorkerLeaseService;

import javax.annotation.Nullable;
import java.io.Closeable;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;