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 */
022package org.granite.messaging.amf.io.convert.impl;
023
024import java.lang.reflect.Type;
025import java.util.Calendar;
026import java.util.Date;
027
028import org.granite.messaging.amf.io.convert.Converter;
029import org.granite.messaging.amf.io.convert.Converters;
030import org.granite.messaging.amf.io.convert.IllegalConverterArgumentException;
031import org.granite.util.TypeUtil;
032
033/**
034 * @author Franck WOLFF
035 */
036public 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}