/*
* Copyright (c) 2012, Ruediger Moeller. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*
*/
package org.nustaq.serialization.serializers;
import org.nustaq.serialization.FSTBasicObjectSerializer;
import org.nustaq.serialization.FSTClazzInfo;
import org.nustaq.serialization.FSTObjectInput;
import org.nustaq.serialization.FSTObjectOutput;
import java.io.IOException;
import java.util.*;
/**
* Created with IntelliJ IDEA.
* User: ruedi
* Date: 10.11.12
* Time: 17:47
* To change this template use File | Settings | File Templates.
*/
public class FSTMapSerializer extends FSTBasicObjectSerializer {
@Override
public void writeObject(FSTObjectOutput out, Object toWrite, FSTClazzInfo clzInfo, FSTClazzInfo.FSTFieldInfo referencedBy, int streamPosition) throws IOException {
Map col = (Map)toWrite;
out.writeInt(col.size());
FSTClazzInfo lastKClzI = null;
FSTClazzInfo lastVClzI = null;
Class lastKClz = null;
Class lastVClz = null;
for (Iterator iterator = col.entrySet().iterator(); iterator.hasNext(); ) {
Map.Entry next = (Map.Entry) iterator.next();
Object key = next.getKey();
Object value = next.getValue();
if ( key != null && value != null ) {
lastKClzI = out.writeObjectInternal(key, key.getClass() == lastKClz ? lastKClzI : null, null);
lastVClzI = out.writeObjectInternal(value, value.getClass() == lastVClz ? lastVClzI : null, null);
lastKClz = key.getClass();
lastVClz = value.getClass();
} else
{
out.writeObjectInternal(key, null, null);
out.writeObjectInternal(value, null, null);
}
}
}
@Override
public Object instantiate(Class objectClass, FSTObjectInput in, FSTClazzInfo serializationInfo, FSTClazzInfo.FSTFieldInfo referencee, int streamPositioin) throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException {
Object res = null;
int len = in.readInt();
if ( objectClass == HashMap.class ) {
res = new HashMap(len);
} else
if ( objectClass == Hashtable.class ) {
res = new Hashtable(len);
} else
{
res = objectClass.newInstance();
}
in.registerObject(res, streamPositioin,serializationInfo, referencee);
Map col = (Map)res;
for ( int i = 0; i < len; i++ ) {
Object key = in.readObjectInternal(null);
Object val = in.readObjectInternal(null);
col.put(key,val);
}
return res;
}
}