XMLGregorianCalendar类型和Date类型之间的相互转换

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

/**
?* XMLGregorianCalendar类型和Date类型之间的相互转换
?* @author Xin
?* 2010-06-12
?*/

public class DateTest {

??? public XMLGregorianCalendar convertToXMLGregorianCalendar(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;
??? }
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???? public? Date convertToDate(XMLGregorianCalendar cal) throws Exception{
???????? GregorianCalendar ca = cal.toGregorianCalendar();
???????? return ca.getTime();
???? }
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???? public static void main(String[] args) {
???????? DateTest dateTest = new DateTest();
???????? XMLGregorianCalendar d = dateTest.convertToXMLGregorianCalendar(new Date());
???????? System.out.println(d.getDay());
???????? XMLGregorianCalendar cal = null;
???????? try {
???????????? cal = DatatypeFactory.newInstance().newXMLGregorianCalendar();
???????????? cal.setMonth(06);
???????????? cal.setYear(2010);?
???????????? Date date = dateTest.convertToDate(cal);
???????????? String format = "yyyy-MM-dd HH:mm:ss";
???????????? SimpleDateFormat formatter = new SimpleDateFormat(format);
???????????? System.out.println(formatter.format(date));
???????? } catch (Exception e) {
???????????? e.printStackTrace();
???????? }
???? }
}

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