Java Date Create toDateHeader(long value)

Description

to Date Header

License

Open Source License

Declaration

public static String toDateHeader(long value) 

Method Source Code

//package com.java2s;
// Licensed under the Apache License, Version 2.0 (the "License");

import java.text.SimpleDateFormat;

import java.util.Locale;
import java.util.TimeZone;
import java.util.Date;

public class Main {
    /**//w  w w  .  j a v  a2  s  . co m
     * Per thread pre-initialized date formatters
     */
    private static final ThreadLocal<SimpleDateFormat[]> DATE_FORMATS = new ThreadLocal<SimpleDateFormat[]>() {
        @Override
        protected synchronized SimpleDateFormat[] initialValue() {
            SimpleDateFormat[] fmts = new SimpleDateFormat[] {
                    // The first two formats are the same because we use fmts[0] for
                    // parsing and fmts[1] for formatting. We uses separate objects for
                    // these tasks because parsing a date actually modifies the
                    // timezone that the formatting object uses for formatting.
                    new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US),
                    new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US),
                    new SimpleDateFormat("EEEEEE, dd-MMM-yy HH:mm:ss zzz", Locale.US),
                    new SimpleDateFormat("EEE MMMM d HH:mm:ss yyyy", Locale.US) };
            fmts[0].setTimeZone(TimeZone.getTimeZone("GMT"));
            fmts[1].setTimeZone(TimeZone.getTimeZone("GMT"));
            fmts[2].setTimeZone(TimeZone.getTimeZone("GMT"));
            fmts[3].setTimeZone(TimeZone.getTimeZone("GMT"));
            return fmts;
        }
    };

    public static String toDateHeader(long value) {
        final SimpleDateFormat[] formats = DATE_FORMATS.get();
        return formats[0].format(new Date(value));
    }
}

Related

1. ToDate(Object o)
2. toDate(Object object)
3. toDate(Object value)
4. toDateFormat(Date date)
5. toDateFromLong(Long time)
6. toDateList(Collection list)
7. toDateQueryFormat(Date value)
8. toDateStr(Date d)
9. ToDateStr(Date dt)