The classtype generated by xsd include XMLGregorianCalendar field,so you should convert the type

 

package org.stephencat.ws.util;
import org.apache.commons.beanutils.*;

import java.util.Calendar;
import javax.xml.datatype.XMLGregorianCalendar;
import com.sun.org.apache.xerces.internal.jaxp.datatype.XMLGregorianCalendarImpl;

/**
  * XMLGregorianCalendar 和 Calendar 之间的转换器,适用于 Apache Commons BeanUtils.copyProperties 方法。<br>
  * 使用示例:
 * <pre>
  * import org.apache.commons.beanutils.*;
  * import javax.xml.datatype.XMLGregorianCalendar;
  * import java.util.Canlendar;
  *   
 *  
 * // 当需要转换为 XMLGregorianCalendar 类型时使用
 * ConvertUtils.register(new XMLGregorianCalendarConverter(), XMLGregorianCalendar.class);
  * // 当需要转换为 Calendar 类型时使用
 * ConvertUtils.register(new XMLGregorianCalendarConverter(), Calendar.class);
  * BeanUtils.copyProperties(destObj, srcObj);
  * </pre>
  * <p>注意:java.util.Calendar 的时区 (ZONE_OFFSET) 是以毫秒为单位的值。</p>
  * 
  * @author Stephen WJJ
  *
  */
public class XMLGregorianCalendarConverter implements Converter {

     public Object convert(Class arg0, Object arg1) {
         if(arg1 instanceof XMLGregorianCalendar){
             return this.convert(arg0, (XMLGregorianCalendar)arg1);
         }else{
             return this.convert(arg0, (Calendar)arg1);
         }
     }
     
     public Calendar convert(Class calendarType, XMLGregorianCalendar xmlCalendar){
         return xmlCalendar.toGregorianCalendar();
     }
     
     public XMLGregorianCalendar convert(Class xmlCalendarType, Calendar calendar){
         XMLGregorianCalendar cal = new XMLGregorianCalendarImpl();
         cal.setYear(calendar.get(Calendar.YEAR));
         cal.setMonth(calendar.get(Calendar.MONTH) +1);
         cal.setDay(calendar.get(Calendar.DAY_OF_MONTH));
         cal.setHour(calendar.get(Calendar.HOUR_OF_DAY));
         cal.setMinute(calendar.get(Calendar.MINUTE));
         cal.setSecond(calendar.get(Calendar.SECOND));
         cal.setMillisecond(calendar.get(Calendar.MILLISECOND));
         cal.setTimezone(calendar.get(Calendar.ZONE_OFFSET) / 60000 );
         return cal;
     }

 }

XMLGregorianCalendar cal = javax.xml.datatype.DatatypeFactory.newXMLGregorianCalendar(greogorianCalendar);