001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.messaging.amf.io.convert.impl;
022    
023    import java.lang.reflect.Type;
024    import java.util.Calendar;
025    import java.util.Date;
026    
027    import org.granite.messaging.amf.io.convert.Converter;
028    import org.granite.messaging.amf.io.convert.Converters;
029    import org.granite.messaging.amf.io.convert.IllegalConverterArgumentException;
030    import org.granite.util.ClassUtil;
031    
032    /**
033     * @author Franck WOLFF
034     */
035    public class Date2Date extends Converter {
036    
037        public Date2Date(Converters converters) {
038            super(converters);
039        }
040    
041        @Override
042            protected boolean internalCanConvert(Object value, Type targetType) {
043            Class<?> targetClass = ClassUtil.classOfType(targetType);
044            return (
045                targetClass.isAssignableFrom(Date.class) ||
046                targetClass.isAssignableFrom(Calendar.class) ||
047                targetClass.isAssignableFrom(java.sql.Timestamp.class) ||
048                targetClass.isAssignableFrom(java.sql.Time.class) ||
049                targetClass.isAssignableFrom(java.sql.Date.class)
050            ) && (
051                value == null || value instanceof Date
052            );
053        }
054    
055        @Override
056            protected Object internalConvert(Object value, Type targetType) {
057    
058            if (value == null)
059                return null;
060    
061            Date date = (Date)value;
062            Class<?> targetClass = ClassUtil.classOfType(targetType);
063            if (targetClass.isAssignableFrom(Date.class))
064                return value;
065    
066            if (targetClass.isAssignableFrom(Calendar.class)) {
067                Calendar cal = Calendar.getInstance();
068                cal.setTime(date);
069                return cal;
070            }
071    
072            if (targetClass.isAssignableFrom(java.sql.Timestamp.class))
073                return new java.sql.Timestamp(date.getTime());
074    
075            if (targetClass.isAssignableFrom(java.sql.Date.class))
076                return new java.sql.Date(date.getTime());
077    
078            if (targetClass.isAssignableFrom(java.sql.Time.class))
079                return new java.sql.Time(date.getTime());
080    
081            throw new IllegalConverterArgumentException(this, value, targetType);
082        }
083    }