Utils.java

package se.chalmers.dat255.grupp12;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * Created with IntelliJ IDEA.
 * User: Hagej
 * Date: 2013-10-07
 * Time: 13:33
 * To change this template use File | Settings | File Templates.
 */
public class Utils {

    /**
     * Try parse a Date from a String with 2 different formats, otherwise return null
     *
     * @param date - The String with the date to be parsed
     * @return - A Date if the String had the right format, otherwise null
     */
    public static Calendar parseDate(String date){
	    if (date == null || date.equals("null")) {
		    return null;
	    }
	    List<SimpleDateFormat> dateFormats = new ArrayList<SimpleDateFormat>();
        dateFormats.add(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
	    Date d = new Date();
        for(SimpleDateFormat format : dateFormats){
            try {
                d = format.parse(date);
		        break;
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
        Calendar c = new GregorianCalendar();
        c.setTime(d);
	    System.out.println("RETURNING CALENDAR: " + c);
        return c;
    }


    public static String parseDate(Calendar date){
	    if (date == null) {
		    return "null";
	    }
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    System.out.println("TIME IN MILLIS: " + date.getTime());
        String d = format.format(date.getTime());
        return d;
    }
}