WeakReferenceDeserializer.java

package com.jarvis.cache.serializer;

import java.io.IOException;
import java.lang.ref.WeakReference;

import com.caucho.hessian.io.AbstractHessianInput;
import com.caucho.hessian.io.AbstractMapDeserializer;
import com.caucho.hessian.io.IOExceptionWrapper;

public class WeakReferenceDeserializer extends AbstractMapDeserializer {

    @Override
    public Object readObject(AbstractHessianInput in, Object[] fields) throws IOException {
        try {
            WeakReference<Object> obj=instantiate();
            in.addRef(obj);
            Object value=in.readObject();
            obj=null;
            return new WeakReference<Object>(value);
        } catch(IOException e) {
            throw e;
        } catch(Exception e) {
            throw new IOExceptionWrapper(e);
        }

    }

    protected WeakReference<Object> instantiate() throws Exception {
        Object obj=new Object();
        return new WeakReference<Object>(obj);
    }

}