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
021package org.granite.messaging.amf.io.convert.impl;
022
023import java.lang.reflect.Type;
024import java.util.Calendar;
025import java.util.Date;
026
027import org.granite.messaging.amf.io.convert.Converter;
028import org.granite.messaging.amf.io.convert.Converters;
029import org.granite.messaging.amf.io.convert.IllegalConverterArgumentException;
030import org.granite.util.TypeUtil;
031
032/**
033 * @author Franck WOLFF
034 */
035public 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 = TypeUtil.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 = TypeUtil.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}