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Cayenne Object Persistence Framework
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* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.remote.hessian;
import java.util.HashMap;
import com.caucho.hessian.io.AbstractSerializerFactory;
import com.caucho.hessian.io.Deserializer;
import com.caucho.hessian.io.HessianProtocolException;
import com.caucho.hessian.io.Serializer;
/**
* A Hessian SerializerFactory extension that supports serializing Enums.
*
* Requires Java 1.5 or newer
*
*
* @since 1.2
* @author Andrus Adamchik
*/
class EnumSerializerFactory extends AbstractSerializerFactory {
private final EnumSerializer enumSerializer = new EnumSerializer();
private HashMap cachedDeserializerMap;
public Serializer getSerializer(Class cl) throws HessianProtocolException {
return (cl.isEnum()) ? enumSerializer : null;
}
public Deserializer getDeserializer(Class cl) throws HessianProtocolException {
if (cl.isEnum()) {
Deserializer deserializer = null;
synchronized (this) {
if (cachedDeserializerMap != null) {
deserializer = cachedDeserializerMap.get(cl);
}
if (deserializer == null) {
deserializer = new EnumDeserializer(cl);
if (cachedDeserializerMap == null) {
cachedDeserializerMap = new HashMap();
}
cachedDeserializerMap.put(cl, deserializer);
}
}
return deserializer;
}
return null;
}
}
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