Java Today getToday()

Description

get Today

License

Apache License

Declaration

public static String getToday() 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.HashMap;

import java.util.Map;

public class Main {
    private static final Object lock = new Object();
    private static Map<String, ThreadLocal<SimpleDateFormat>> localThreadMap = new HashMap<String, ThreadLocal<SimpleDateFormat>>();
    public final static String PATTERN_YYYYMMDD = "yyyy-MM-dd";

    public static String getToday() {
        return toString(new Date(), PATTERN_YYYYMMDD);
    }/*from ww  w. j a v a2s  .co m*/

    public static String toString(Date source, String formater) {
        SimpleDateFormat format = getDateFormat(formater);
        return format.format(source);
    }

    public static SimpleDateFormat getDateFormat(final String pattern) {
        ThreadLocal<SimpleDateFormat> threadLoacl = localThreadMap.get(pattern);
        if (threadLoacl == null) {
            synchronized (lock) {
                threadLoacl = localThreadMap.get(pattern);
                if (threadLoacl == null) {
                    threadLoacl = new ThreadLocal<SimpleDateFormat>() {
                        @Override
                        protected SimpleDateFormat initialValue() {
                            return new SimpleDateFormat(pattern);
                        }
                    };
                    localThreadMap.put(pattern, threadLoacl);
                }
            }
        }
        return threadLoacl.get();
    }
}

Related

1. getToday()
2. getToday()
3. getToday()
4. getToday()
5. getToday()
6. getToday()
7. getToday()
8. getToday()
9. getToday()