Here you can find the source of dateToXmlGregorian(Date timestamp)
public static XMLGregorianCalendar dateToXmlGregorian(Date timestamp) throws DatatypeConfigurationException
//package com.java2s; /*/*from w w w . j a v a 2 s .c o m*/ ?Developed with the contribution of the European Commission - Directorate General for Maritime Affairs and Fisheries ? European Union, 2015-2016. This file is part of the Integrated Fisheries Data Management (IFDM) Suite. The IFDM Suite is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version. The IFDM Suite is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the IFDM Suite. If not, see <http://www.gnu.org/licenses/>. */ import javax.xml.datatype.DatatypeConfigurationException; import javax.xml.datatype.DatatypeFactory; import javax.xml.datatype.XMLGregorianCalendar; import java.util.Date; import java.util.GregorianCalendar; public class Main { public static XMLGregorianCalendar dateToXmlGregorian(Date timestamp) throws DatatypeConfigurationException { GregorianCalendar cal = new GregorianCalendar(); cal.setTime(timestamp); XMLGregorianCalendar xmlCalendar = null; xmlCalendar = DatatypeFactory.newInstance().newXMLGregorianCalendar(cal); return xmlCalendar; } }