Java Long Number to Date formatDate(long time)

Description

format Date

License

Apache License

Declaration

public static String formatDate(long time) 

Method Source Code

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

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;

public class Main {
    private static ThreadLocal<SimpleDateFormat> simpleDateFormatThreadLocal = new ThreadLocal<SimpleDateFormat>() {
        @Override//from   w  ww .  ja  v  a 2 s.  c  o  m
        protected SimpleDateFormat initialValue() {

            return new SimpleDateFormat("yyyy-MM-dd");
        }
    };
    private static ThreadLocal<SimpleDateFormat> simpleTimeFormatThreadLocal = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {

            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
        }
    };

    public static String formatDate(long time) {

        SimpleDateFormat format = getDateFormat();
        Calendar calendar = getCalendar(time);

        return format.format(calendar.getTime());
    }

    public static SimpleDateFormat getDateFormat() {

        return simpleDateFormatThreadLocal.get();
    }

    public static Calendar getCalendar() {

        return Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    }

    public static Calendar getCalendar(long time) {

        Calendar calendar = getCalendar();
        calendar.setTimeInMillis(time);
        return calendar;
    }

    public static String format(long time, SimpleDateFormat format) {

        if (format == null) {
            return formatDateTime(time);
        }

        Calendar calendar = getCalendar(time);
        return format.format(calendar.getTime());
    }

    public static String formatDateTime(long time) {

        SimpleDateFormat format = getTimeFormat();
        Calendar calendar = getCalendar(time);

        return format.format(calendar.getTime());
    }

    public static SimpleDateFormat getTimeFormat() {

        return simpleTimeFormatThreadLocal.get();
    }
}

Related

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2. formatDate(long ms)
3. formatDate(long p_millis)
4. formatDate(long t)
5. formatDate(long time)
6. formatDate(long time)
7. formatDate(long time)
8. formatDate(long time, String format)
9. formatDate(long time_millis)