XMLGregorianCalendarConversionutil.java

XMLGregorianCalendarConversionutil.java

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

public class XMLGregorianCalendarConversionUtil {
  private static DatatypeFactory datatypeFactory = null;

  static {
    try {
      datatypeFactory = DatatypeFactory.newInstance();
    } catch (DatatypeConfigurationException e) {
      throw new IllegalStateException("Error while trying to obtain a new instance of DatatypeFactory", e);
    }
  }

  public static XMLGregorianCalendar asXMLGregorianCalendar(Date date) {
    if (date == null) {
      return null;
    } else {
      GregorianCalendar gregorianCalendar = new GregorianCalendar();
      gregorianCalendar.setTimeInMillis(date.getTime());
      gregorianCalendar.setTimeZone(TimeZone.getTimeZone("UTC"));
      return datatypeFactory.newXMLGregorianCalendar(gregorianCalendar);
    }
  }

  public static Date asDate(XMLGregorianCalendar xmlGregorianCalendar) {
    if (xmlGregorianCalendar == null) {
      return null;
    } else {
      return xmlGregorianCalendar.toGregorianCalendar().getTime();
    }
  }
}