/*
* Copyright 2010 Martin Grotzke
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package de.javakaffee.kryoserializers.spring;
import java.nio.ByteBuffer;
import org.springframework.aop.target.AbstractBeanFactoryBasedTargetSource;
import org.springframework.aop.target.SingletonTargetSource;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import de.javakaffee.kryoserializers.cglib.CGLibProxySerializer.CGLibProxyMarker;
/**
* A kryo serializer for cglib proxies. It needs to be registered for {@link CGLibProxyMarker} class.
* When the serializer for a certain class is requested (via {@link Kryo#newSerializer(Class)})
* {@link #canSerialize(Class)} has to be checked with the provided class to see if
* a {@link BeanFactoryBasedTargetSourceSerializer} should be returned.
*
* @author <a href="mailto:martin.grotzke@javakaffee.de">Martin Grotzke</a>
*/
public class BeanFactoryBasedTargetSourceSerializer extends Serializer {
private final Kryo _kryo;
/**
* Constructor.
*
* @param kryo the kryo instance.
*/
public BeanFactoryBasedTargetSourceSerializer( final Kryo kryo ) {
_kryo = kryo;
}
@Override
public <T> T readObjectData( final ByteBuffer buffer, final Class<T> type ) {
return _kryo.readObjectData( buffer, type );
}
@Override
public void writeObjectData( final ByteBuffer buffer, final Object object ) {
try {
_kryo.writeObjectData( buffer, new SingletonTargetSource(((AbstractBeanFactoryBasedTargetSource)object).getTarget()) );
} catch ( final RuntimeException e ) {
// Don't eat and wrap RuntimeExceptions because the ObjectBuffer.write...
// handles SerializationException specifically (resizing the buffer)...
throw e;
} catch ( final Exception e ) {
throw new RuntimeException( "Could not get target from targetSource " + object, e );
}
}
}