Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.code2040.bofashola; ; import java.util.Date; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormatter; import org.joda.time.format.ISODateTimeFormat; /** * * @author bofashola */ public class DatingGame { public static void main(String args[]) { //{"result":{"datestamp":"2011-01-17T12:15:00.000Z","interval":310380140}} System.out.println("\n\n" + getISO("2011-01-17T12:15:00.000Z", 310380140)); } // private static String getISO(String dateStamp, long seconds) { String str = ""; //parse the datestamp string String date = dateStamp.split("T")[0]; String time = dateStamp.split("T")[1]; int year = Integer.valueOf(date.split("-")[0]); int month = Integer.valueOf(date.split("-")[1]); int dat = Integer.valueOf(date.split("-")[2]); int hrs = Integer.valueOf(time.split(":")[0]); int minute = Integer.valueOf(time.split(":")[1]); String secTemp = (time.split(":")[2]); int sec = Integer.valueOf(secTemp.charAt(0) + "" + secTemp.charAt(1)); DateTime dt = new DateTime(year, month, dat, hrs, minute, sec); //Convert the string to milliseconds and add the interval in milliseconds long timeInMills = dt.getMillis() + getMilliseconds(seconds); DateTime newtime = new DateTime(timeInMills); //Use the Joda Time API and change it to ISO 8061 format DateTimeFormatter fmt = ISODateTimeFormat.dateTime(); str = fmt.print(newtime); return str.replace(str.substring(23, str.length()), "Z"); } //Utility method to convert the seconds to milliseconds private static long getMilliseconds(long value) { return value * 1000; } }