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/*
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library 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 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WebLookAndFeel library.  If not, see .
 */

package com.alee.managers.version;

import com.alee.utils.xml.XmlException;
import com.thoughtworks.xstream.converters.SingleValueConverter;

import java.sql.Date;
import java.text.SimpleDateFormat;

/**
 * Custom XStream converter for {@link Long} version date.
 *
 * @author Mikle Garin
 * @see VersionInfo
 */
public final class VersionDateConverter implements SingleValueConverter
{
    /**
     * Version date format.
     */
    private static final SimpleDateFormat sdf = new SimpleDateFormat ( "dd.MM.yyyy" );

    @Override
    public boolean canConvert ( final Class aClass )
    {
        return Long.class.getCanonicalName ().equals ( aClass.getCanonicalName () );
    }

    @Override
    public String toString ( final Object date )
    {
        return sdf.format ( new Date ( ( Long ) date ) );
    }

    @Override
    public Object fromString ( final String date )
    {
        try
        {
            return sdf.parse ( date ).getTime ();
        }
        catch ( final Exception e )
        {
            throw new XmlException ( "Unable to parse version date: " + date, e );
        }
    }
}