*/
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;

/**
 * Utility class for {@link DecimalFormat}.
 *
 * @author higa
 */
public abstract class DecimalFormatUtil {

    /**
     * Do not instantiate.
     */

                    return BYTE;
                }
            }
        }

        private DecimalFormat smallFormat;
        private DecimalFormat largeFormat;

        FileSizeFormat(Locale locale) {
            smallFormat = new DecimalFormat("#0.0", new DecimalFormatSymbols(locale));
            largeFormat = new DecimalFormat("###0", new DecimalFormatSymbols(locale));
        }

        public String format(long size) {

        }
        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

     * @param pattern the number format pattern
     * @return formatted number string
     */
    public static String formatNumber(final long value, final String pattern) {
        final DecimalFormat df = (DecimalFormat) NumberFormat.getNumberInstance(getUserLocale());
        df.applyPattern(pattern);
        return df.format(value);
    }

    /**
     * Retrieves the current user's locale from the request manager.

            String throughput = "";
            long duration = System.currentTimeMillis() - resource.getTransferStartTime();
            if (duration > 0) {
                DecimalFormat format = new DecimalFormat("0.0", new DecimalFormatSymbols(Locale.ENGLISH));
                double kbPerSec = (contentLength / 1024.0) / (duration / 1000.0);
                throughput = " at " + format.format(kbPerSec) + " KB/sec";

 * 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;

/**
 * Utility class for conversions related to {@link String}.
 *
 * @author higa
 */

Tokenizer tokenizer = new Tokenizer("field1,field2,field3", ",");
while (tokenizer.hasMoreTokens()) {
    String token = tokenizer.nextToken();
    // Process each token
}

// Decimal formatting
DecimalFormat format = DecimalFormatUtil.getDecimalFormat("###,###.00");
```

### Exception Handling
```java
import org.codelibs.core.exception.*;

// Runtime exception wrappers eliminate try-catch boilerplate
try {