nl.strohalm.cyclos.utils.conversion.TimeZoneConverter.java Source code

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Here is the source code for nl.strohalm.cyclos.utils.conversion.TimeZoneConverter.java

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/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
    
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
    
Cyclos 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    
 */
package nl.strohalm.cyclos.utils.conversion;

import java.util.TimeZone;

import org.apache.commons.lang.StringUtils;

/**
 * Converter for TimeZones. Uses the time zone ID
 * 
 * @author luis
 */
public class TimeZoneConverter implements Converter<TimeZone> {

    private static final long serialVersionUID = -5712130039783092190L;
    private static final TimeZoneConverter INSTANCE = new TimeZoneConverter();

    public static TimeZoneConverter instance() {
        return INSTANCE;
    }

    private TimeZoneConverter() {
    }

    public String toString(final TimeZone object) {
        if (object == null) {
            return null;
        }
        return object.getID();
    }

    public TimeZone valueOf(final String string) {
        if (StringUtils.isEmpty(string)) {
            return null;
        }
        return TimeZone.getTimeZone(string);
    }
}