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.util.externalizer;
022    
023    import java.io.IOException;
024    import java.io.ObjectInput;
025    import java.io.ObjectOutput;
026    import java.lang.reflect.InvocationTargetException;
027    import java.math.BigInteger;
028    
029    import org.granite.messaging.amf.io.util.instantiator.BigIntegerInstantiator;
030    
031    /**
032     * @author Franck WOLFF
033     */
034    public class BigIntegerExternalizer extends DefaultExternalizer {
035            
036            public static final int RADIX = 36;
037    
038            public BigIntegerExternalizer() {
039            }
040    
041            @Override
042            public int accept(Class<?> clazz) {
043                    return (clazz == BigInteger.class ? 1 : -1);
044            }
045    
046            @Override
047            public Object newInstance(String type, ObjectInput in) throws IOException, ClassNotFoundException,
048                            InstantiationException, InvocationTargetException, IllegalAccessException {
049                    return new BigIntegerInstantiator();
050            }
051    
052            @Override
053            public void writeExternal(Object o, ObjectOutput out) throws IOException, IllegalAccessException {
054                    out.writeObject(((BigInteger)o).toString(RADIX));
055            }
056    }