Get XMLGregorianCalendar timestamp in Java

Get XMLGregorianCalendar timestamp in format :

2016-01-01T11:58:58-05:00

import java.util.Date;
import java.util.GregorianCalendar;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;

public static XMLGregorianCalendar getTimeStamp() throws DatatypeConfigurationException{
Date trailDate=new Date();
XMLGregorianCalendar timestampdate=null;
    GregorianCalendar calendar1 = new GregorianCalendar();
    calendar1.setTime(trailDate);
    try
    {
    timestampdate=DatatypeFactory.newInstance().newXMLGregorianCalendar(calendar1);
    System.out.println("timestampdate :"+timestampdate);
    return timestampdate;
    }
   catch (DatatypeConfigurationException ex)
    {
  System.out.println("Exception in getting xmlGreg Date, setting bydefault a value for Calender");
  return  DatatypeFactory.newInstance().newXMLGregorianCalendar("2016-01-01T11:58:58-05:00");
    }
}