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*
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* Copyright 2002 - 2007 Adobe Systems Incorporated
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package flex.messaging.io.amf.translator.decoder;
import java.util.Iterator;
import java.util.List;
import flex.messaging.io.PropertyProxy;
import flex.messaging.io.PropertyProxyRegistry;
import flex.messaging.io.TypeMarshallingContext;
import flex.messaging.io.amf.translator.TranslationException;
/**
* @exclude
*/
public class ReferenceAwareTypedObjectDecoder extends TypedObjectDecoder
{
protected Object decodeTypedObject(Object bean, Object encodedObject)
{
TypeMarshallingContext context = TypeMarshallingContext.getTypeMarshallingContext();
context.getKnownObjects().put(encodedObject, bean);
PropertyProxy beanProxy = PropertyProxyRegistry.getProxy(bean);
PropertyProxy encodedProxy = PropertyProxyRegistry.getProxy(encodedObject);
List propertyNames = beanProxy.getPropertyNames(bean);
if (propertyNames != null)
{
Iterator it = propertyNames.iterator();
while (it.hasNext())
{
String propName = (String)it.next();
Class wClass = beanProxy.getType(bean, propName);
// get property value from encodedObject
Object value = encodedProxy.getValue(encodedObject, propName);
Object decodedObject = null;
try
{
if (value != null)
{
//Check whether we need to restore a client
//side reference to a known object
Object ref = null;
if (canUseByReference(value))
ref = context.getKnownObjects().get(value);
if (ref == null)
{
ActionScriptDecoder decoder = DecoderFactory.getReferenceAwareDecoder(value, wClass);
decodedObject = decoder.decodeObject(value, wClass);
if (canUseByReference(decodedObject))
{
context.getKnownObjects().put(value, decodedObject);
}
}
else
{
decodedObject = ref;
}
}
// TODO: Perhaps we could update NumberDecoder, CharacterDecoder and
// BooleanDecoder to do this for us?
if (decodedObject == null && wClass.isPrimitive())
{
decodedObject = getDefaultPrimitiveValue(wClass);
}
beanProxy.setValue(bean, propName, decodedObject);
}
catch (Exception e)
{
TranslationException ex = new TranslationException("Could not set object " + decodedObject + " on " + bean.getClass() + "'s " + propName);
ex.setCode("Server.Processing");
ex.setRootCause(e);
throw ex;
}
}
}
return bean;
}
}