DateTimeAdapter.java

package com.mycompany.app;

import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.GregorianCalendar;

public class DateTimeAdapter extends XmlAdapter<String, XMLGregorianCalendar> {
    /**
     * Convert a value type to a bound type.
     *
     * @param v The value to be converted. Can be null.
     * @throws Exception if there's an error during the conversion. The caller is responsible for
     *                   reporting the error to the user through {@link ValidationEventHandler}.
     */
    @Override
    public XMLGregorianCalendar unmarshal(String v) throws Exception {

        Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX").parse(v);
        GregorianCalendar c = new GregorianCalendar();
        c.setTime(date);
        XMLGregorianCalendar date2 = DatatypeFactory.newInstance().newXMLGregorianCalendar(c);
        return date2;
    }



    /**
     * Convert a bound type to a value type.
     *
     * @param v The value to be convereted. Can be null.
     * @throws Exception if there's an error during the conversion. The caller is responsible for
     *                   reporting the error to the user through {@link ValidationEventHandler}.
     */
    @Override
    public String marshal(XMLGregorianCalendar v) throws Exception {
        return null;
    }
}