XMLGregorianCalendar和java.util.Date的相互转化

/**
* 由于java.util.Date在wsdl自动生成的类中会转换成xmlGregorianCalendarToDate,
* 这里需要把xmlGregorianCalendarToDate转换回java.util.Date
* @param webserviceDate
* @return
*/
private Date xmlGregorianCalendarToDate(XMLGregorianCalendar webserviceDate)
{
GregorianCalendar ca = webserviceDate.toGregorianCalendar();
return ca.getTime();
}

/**
* 把java.util.Date转换成XMLGregorianCalendar,用于WebService传输
* @param date
* @return
*/
private XMLGregorianCalendar dateToXmlGregorianCalendar(Date date)
{
GregorianCalendar cal = new GregorianCalendar();
cal.setTime(date);
XMLGregorianCalendar gc = null;
try {
gc = DatatypeFactory.newInstance().newXMLGregorianCalendar(cal);
} catch (Exception e) {

e.printStackTrace();
}
return gc;
}