fr.cls.atoll.motu.library.converter.jaxb.JodaPeriodAdapter.java Source code

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Here is the source code for fr.cls.atoll.motu.library.converter.jaxb.JodaPeriodAdapter.java

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/* 
 * Motu, a high efficient, robust and Standard compliant Web Server for Geographic
 * Data Dissemination.
 *
 * http://cls-motu.sourceforge.net/
 *
 * (C) Copyright 2009-2010, by CLS (Collecte Localisation Satellites) - 
 * http://www.cls.fr - and  Contributors
 *
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */
package fr.cls.atoll.motu.library.converter.jaxb;

import javax.xml.bind.annotation.adapters.XmlAdapter;

import org.joda.time.DateTime;
import org.joda.time.Period;
import org.joda.time.format.ISOPeriodFormat;
import org.joda.time.format.PeriodFormatter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * JAXB adapter that converts a xs:dateTime or xs:date into a {@link DateTime} and vice-versa.
 * 
 * (C) Copyright 2009-2010, by CLS (Collecte Localisation Satellites)
 * 
 * @version $Revision: 1.1 $ - $Date: 2009-03-18 12:18:22 $
 * @author <a href="mailto:ccamel@cls.fr">Christophe Camel</a>
 */
public class JodaPeriodAdapter extends XmlAdapter<String, Period> {

    /**
     * Constructeur.
     */
    public JodaPeriodAdapter() {
    }

    /**
     * Format used to print and parse period.
     */
    // public static DateTimeFormatter DATE_FORMATER = new DateTimeFormatterBuilder().appendYear(4,
    // 4).appendLiteral('-').appendMonthOfYear(2)
    // .appendLiteral('-').appendDayOfMonth(2).appendLiteral('T').appendHourOfDay(2).appendLiteral(':').appendMinuteOfHour(2).appendLiteral(':')
    // .appendSecondOfMinute(2).appendLiteral(' ').appendTimeZoneOffset(null, false, 2, 2).toFormatter();
    public static final PeriodFormatter PERIOD_FORMATER = ISOPeriodFormat.standard();

    /**
     * Logger instance.
     */
    private static final Logger LOGGER = LoggerFactory.getLogger(JodaPeriodAdapter.class);

    /**
     * Convert a given date into a string representation.
     * 
     * @param dt the date to print.
     * @return the string representation.
     */
    @Override
    public String marshal(Period dt) {
        return PERIOD_FORMATER.print(dt);
    }

    /**
     * Convert a given string date representation into an instance of Joda time date.
     * 
     * @param s the string to convert into a date.
     * @return a {@link DateTime} instance.
     */
    @Override
    public Period unmarshal(String s) {
        try {
            return JodaPeriodAdapter.PERIOD_FORMATER.parsePeriod(s);
        } catch (IllegalArgumentException e) {
            LOGGER.warn("Failed to parse period from " + s, e);
            return new Period();
        }
    }

}