Thread Safe Date Formatter

DateUtils.java

package whatever.utils

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateUtils {

    // Simple thread safe date formatter
    private static class ConcurrentDateFormat extends ThreadLocal<DateFormat> {
        private String format;

        public ConcurrentDateFormat(String format) {
            this.format = format;
        }

        @Override
        protected DateFormat initialValue() {
            return new SimpleDateFormat(format);
        }
    }

    private static ConcurrentDateFormat DATE_FORMAT = new ConcurrentDateFormat("yyyy-MM-dd HH:mm:ssZ");

    public static String getTodayString() {
        return DATE_FORMAT.get().format(new Date());
    }
}