001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.messaging.amf.io.convert.impl;
023    
024    import java.lang.reflect.Type;
025    import java.util.Calendar;
026    import java.util.Date;
027    
028    import org.granite.messaging.amf.io.convert.Converter;
029    import org.granite.messaging.amf.io.convert.Converters;
030    import org.granite.messaging.amf.io.convert.IllegalConverterArgumentException;
031    import org.granite.util.TypeUtil;
032    
033    /**
034     * @author Franck WOLFF
035     */
036    public class Date2Date extends Converter {
037    
038        public Date2Date(Converters converters) {
039            super(converters);
040        }
041    
042        @Override
043            protected boolean internalCanConvert(Object value, Type targetType) {
044            Class<?> targetClass = TypeUtil.classOfType(targetType);
045            return (
046                targetClass.isAssignableFrom(Date.class) ||
047                targetClass.isAssignableFrom(Calendar.class) ||
048                targetClass.isAssignableFrom(java.sql.Timestamp.class) ||
049                targetClass.isAssignableFrom(java.sql.Time.class) ||
050                targetClass.isAssignableFrom(java.sql.Date.class)
051            ) && (
052                value == null || value instanceof Date
053            );
054        }
055    
056        @Override
057            protected Object internalConvert(Object value, Type targetType) {
058    
059            if (value == null)
060                return null;
061    
062            Date date = (Date)value;
063            Class<?> targetClass = TypeUtil.classOfType(targetType);
064            if (targetClass.isAssignableFrom(Date.class))
065                return value;
066    
067            if (targetClass.isAssignableFrom(Calendar.class)) {
068                Calendar cal = Calendar.getInstance();
069                cal.setTime(date);
070                return cal;
071            }
072    
073            if (targetClass.isAssignableFrom(java.sql.Timestamp.class))
074                return new java.sql.Timestamp(date.getTime());
075    
076            if (targetClass.isAssignableFrom(java.sql.Date.class))
077                return new java.sql.Date(date.getTime());
078    
079            if (targetClass.isAssignableFrom(java.sql.Time.class))
080                return new java.sql.Time(date.getTime());
081    
082            throw new IllegalConverterArgumentException(this, value, targetType);
083        }
084    }