Java Long Number to Timestamp longToDate(long timestamp)

Description

long To Date

License

Open Source License

Declaration

public static String longToDate(long timestamp) 

Method Source Code

//package com.java2s;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static String longToDate(long timestamp) {
        SimpleDateFormat sfd = new SimpleDateFormat("yyyy-MM-dd");
        Date date1 = new Date(timestamp);
        return sfd.format(date1);
    }//w ww . j a v a 2  s  .  c  om

    public static String format(String str, Object... args) {
        if (isEmptyOrNull(str))
            return "";
        if (args.length == 0)
            return str;
        String result = str;
        Pattern p = java.util.regex.Pattern.compile("\\{(\\d+)\\}");
        Matcher m = p.matcher(str);
        while (m.find()) {
            int index = Integer.parseInt(m.group(1));
            if (index < args.length) {
                result = result.replace(m.group(), args[index].toString());
            }
        }
        return result;
    }

    public static boolean isEmptyOrNull(String str) {
        return str == null || str.length() == 0 || str.contentEquals("null") || str.trim().equals("");
    }
}

Related

1. addSecondsToTimeStamp(Long timestamp, int seconds)
2. getCompactStringTimestamp(long timestamp)
3. getIndex(String index, long timestamp)
4. longToDateTime(long timestamp)
5. longToDateTime(long timestamp)
6. prettyPrintDate(long timestamp)
7. printTimestamp(Long c)