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.math.BigInteger;
026    
027    import org.granite.messaging.amf.io.convert.Converter;
028    import org.granite.messaging.amf.io.convert.Converters;
029    
030    /**
031     * @author Franck WOLFF
032     */
033    public class Number2BigInteger extends Converter {
034    
035        public Number2BigInteger(Converters converters) {
036            super(converters);
037        }
038    
039        @Override
040            protected boolean internalCanConvert(Object value, Type targetType) {
041            return
042                targetType.equals(BigInteger.class) &&
043                (value == null || value instanceof Number);
044        }
045    
046        @Override
047            protected Object internalConvert(Object value, Type targetType) {
048            return
049                (value == null || value instanceof BigInteger)
050                ? value
051                : BigInteger.valueOf(((Number)value).longValue());
052        }
053    }