public IDataPointer[] retrieveExternalDataPointer(IAnswerData data)
{
IEnumerator en = additionalSerializers.GetEnumerator();
while (en.MoveNext())
{
IAnswerDataSerializer serializer = (IAnswerDataSerializer)en.Current;
Boolean contains = serializer.containsExternalData(data);
if (contains != null)
{
return(serializer.retrieveExternalDataPointer(data));
}
}
if (data is PointerAnswerData)
{
IDataPointer[] pointer = new IDataPointer[1];
pointer[0] = (IDataPointer)((PointerAnswerData)data).getValue();
return(pointer);
}
else if (data is MultiPointerAnswerData)
{
return((IDataPointer[])((MultiPointerAnswerData)data).Value);
}
//This shouldn't have been called.
return(null);
}
public Object serializeAnswerData(IAnswerData data, int dataType)
{
// First, we want to go through the additional serializers, as they should
// take priority to the default serializations
IEnumerator en = additionalSerializers.GetEnumerator();
while (en.MoveNext())
{
IAnswerDataSerializer serializer = (IAnswerDataSerializer)en.Current;
if (serializer.canSerialize(data))
{
return(serializer.serializeAnswerData(data, dataType));
}
}
//Defaults
Object result = serializeAnswerData(data);
return(result);
}
/*
* (non-Javadoc)
* @see org.javarosa.core.model.IAnswerDataSerializer#containsExternalData(org.javarosa.core.model.data.IAnswerData)
*/
public Boolean containsExternalData(IAnswerData data)
{
//First check for registered serializers to identify whether
//they override this one.
IEnumerator en = additionalSerializers.GetEnumerator();
while (en.MoveNext())
{
IAnswerDataSerializer serializer = (IAnswerDataSerializer)en.Current;
Boolean contains = serializer.containsExternalData(data);
if (contains != null)
{
return(contains);
}
}
if (data is PointerAnswerData ||
data is MultiPointerAnswerData)
{
return(true);
}
return(false);
}
public void setAnswerDataSerializer(IAnswerDataSerializer ads)
{
this.serializer = ads;
}
public void registerAnswerSerializer(IAnswerDataSerializer ads)
{
additionalSerializers.Add(ads);
}
