/*
 * Copyright (c) 2010-2014 Evolveum
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.evolveum.polygon.common;

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

/**
 * @author lazyman
 */
public class XMLGregorianCalendarUtils {

    private static DatatypeFactory df = null;
    private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");

    static {
        try {
            df = DatatypeFactory.newInstance();
        } catch (DatatypeConfigurationException dce) {
            throw new IllegalStateException("Exception while obtaining Datatype Factory instance", dce);
        }
    }

    /**
     * Converts a java.util.Date into an instance of XMLGregorianCalendar
     *
     * @param date Instance of java.util.Date or a null reference
     * @return XMLGregorianCalendar instance whose value is based upon the
     * value in the date parameter. If the date parameter is null then
     * this method will simply return null.
     */
    public static XMLGregorianCalendar dateAsCalendar(Date date) {
        if (date == null) {
            return null;
        } else {
            GregorianCalendar gc = new GregorianCalendar();
            gc.setTimeInMillis(date.getTime());
            return df.newXMLGregorianCalendar(gc);
        }
    }

    /**
     * Converts an XMLGregorianCalendar to an instance of java.util.Date
     *
     * @param xgc Instance of XMLGregorianCalendar or a null reference
     * @return java.util.Date instance whose value is based upon the
     * value in the xgc parameter. If the xgc parameter is null then
     * this method will simply return null.
     */
    public static Date calendarAsDate(XMLGregorianCalendar xgc) {
        if (xgc == null) {
            return null;
        } else {
            return xgc.toGregorianCalendar().getTime();
        }
    }

    public static String calendarAsString(XMLGregorianCalendar xgc) {
        return dateAsString(calendarAsDate(xgc));
    }

    public static String dateAsString(Date date) {
        if (date == null) {
            return null;
        }

        return DATE_FORMAT.format(date);
    }

    public static XMLGregorianCalendar stringAsCalendar(String date) {
        if (date == null || date.isEmpty()) {
            return null;
        }
        return df.newXMLGregorianCalendar(date);
    }
}

@@ -1122,9 +1122,11 @@
 .SSS
-Z
+XXX
 %22);%0A

change date format in XMLGregorianCalendarUtils to yyyy-MM-dd'T'HH:mm:ss.SSSXXX (MID-5936)