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.util.externalizer;
023    
024    import java.io.IOException;
025    import java.io.ObjectInput;
026    import java.io.ObjectOutput;
027    import java.lang.reflect.InvocationTargetException;
028    import java.math.BigInteger;
029    
030    import org.granite.messaging.amf.io.util.instantiator.BigIntegerInstantiator;
031    
032    /**
033     * @author Franck WOLFF
034     */
035    public class BigIntegerExternalizer extends DefaultExternalizer {
036            
037            public static final int RADIX = 36;
038    
039            @Override
040            public int accept(Class<?> clazz) {
041                    return (clazz == BigInteger.class ? 1 : -1);
042            }
043    
044            @Override
045            public Object newInstance(String type, ObjectInput in) throws IOException, ClassNotFoundException,
046                            InstantiationException, InvocationTargetException, IllegalAccessException {
047                    return new BigIntegerInstantiator();
048            }
049    
050            @Override
051            public void writeExternal(Object o, ObjectOutput out) throws IOException, IllegalAccessException {
052                    out.writeObject(((BigInteger)o).toString(RADIX));
053            }
054    }