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

/**
 * From http://code.calum.org/Java/ISO8601DateFormat.java
 */
public class ISO8601DateFormat {

    public static String getISO8601Date(int seconds) {
        long milliSeconds   = seconds * 1000L;
        return getISO8601Date(milliSeconds);
    }

    public static String getISO8601Date(long milliSeconds) {
        Date date = new Date(milliSeconds);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return sdf.format(date);
    }

    public static String getISO8601Date(int seconds, TimeZone timezone, boolean displayTimezone) {
        long milliSeconds   = seconds * 1000L;
        return getISO8601Date(milliSeconds, timezone, displayTimezone);
    }

    public static String getISO8601Date(long milliSeconds, TimeZone timezone, boolean  displayTimezone) {
        Date date = new Date(milliSeconds);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        sdf.setTimeZone(timezone);
        if ( displayTimezone == true ) {
            return sdf.format(date) + " " + timezone.getID();
        } else {
            return sdf.format(date);
        }
    }

}