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    
028    import org.granite.messaging.amf.io.util.instantiator.LongInstantiator;
029    
030    /**
031     * @author Franck WOLFF
032     */
033    public class LongExternalizer extends DefaultExternalizer {
034    
035            public LongExternalizer() {
036            }
037    
038            @Override
039            public int accept(Class<?> clazz) {
040                    return (clazz == Long.class || clazz == Long.TYPE ? 1 : -1);
041            }
042    
043            @Override
044            public Object newInstance(String type, ObjectInput in) throws IOException, ClassNotFoundException,
045                            InstantiationException, InvocationTargetException, IllegalAccessException {
046                    return new LongInstantiator();
047            }
048    
049            @Override
050            public void writeExternal(Object o, ObjectOutput out) throws IOException, IllegalAccessException {
051                    long l = ((Long)o).longValue();
052                    out.writeObject((int)(l >>> 32));
053                    out.writeObject((int)l);
054            }
055    }