public String serializeNode(TreeElement instanceNode)
{
String ae = "";
// don't serialize template nodes or non-relevant nodes
if (!instanceNode.isRelevant() ||
instanceNode.getMult() == TreeReference.INDEX_TEMPLATE)
{
return(null);
}
if (instanceNode.getValue() != null)
{
Object serializedAnswer = serializer.serializeAnswerData(
instanceNode.getValue(), instanceNode.dataType);
if (serializedAnswer is XmlElement)
{
// DON"T handle this.
throw new SystemException("Can't handle serialized output for"
+ instanceNode.getValue().ToString() + ", "
+ serializedAnswer);
}
else if (serializedAnswer is String)
{
XmlDocument theXmlDoc = new XmlDocument();
XmlElement e = theXmlDoc.CreateElement("TreeElement");//TODO
XmlText xmlText = theXmlDoc.CreateTextNode((String)serializedAnswer);
e.AppendChild(xmlText);
String tag = instanceNode.getAttributeValue("", "tag");
ae += ((tag != null) ? tag + delimeter : delimeter); // tag
// might
// be
// null
for (int k = 0; k < e.ChildNodes.Count; k++)
{
ae += e.ChildNodes[k].InnerText.ToString() + delimeter;
}
}
else
{
throw new SystemException("Can't handle serialized output for"
+ instanceNode.getValue().ToString() + ", "
+ serializedAnswer);
}
if (serializer.containsExternalData(instanceNode.getValue()))
{
IDataPointer[] pointer = serializer
.retrieveExternalDataPointer(instanceNode.getValue());
for (int i = 0; i < pointer.Length; ++i)
{
dataPointers.Add(pointer[i]);
}
}
}
return(ae);
}
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 XmlElement serializeNode(TreeElement instanceNode)
{
XmlElement e = theXmlDoc.CreateElement(instanceNode.getName());//TODO Name
//don't serialize template nodes or non-relevant nodes
if (!instanceNode.isRelevant() || instanceNode.getMult() == TreeReference.INDEX_TEMPLATE)
{
return(null);
}
if (instanceNode.getValue() != null)
{
Object serializedAnswer = serializer.serializeAnswerData(instanceNode.getValue(), instanceNode.dataType);
if (serializedAnswer is XmlElement)
{
e = (XmlElement)serializedAnswer;
}
else if (serializedAnswer is String)
{
e = e.OwnerDocument.CreateElement(instanceNode.getName());
XmlText xmlText = theXmlDoc.CreateTextNode((String)serializedAnswer); //TODO name
e.AppendChild(xmlText);
}
else
{
throw new SystemException("Can't handle serialized output for" + instanceNode.getValue().ToString() + ", " + serializedAnswer);
}
if (serializer.containsExternalData(instanceNode.getValue()))
{
IDataPointer[] pointer = serializer.retrieveExternalDataPointer(instanceNode.getValue());
for (int i = 0; i < pointer.Length; ++i)
{
dataPointers.Add(pointer[i]);
}
}
}
else
{
//make sure all children of the same tag name are written en bloc
ArrayList childNames = new ArrayList();
for (int i = 0; i < instanceNode.getNumChildren(); i++)
{
String childName = instanceNode.getChildAt(i).getName();
Console.WriteLine("CHILDNAME: " + childName);
if (!childNames.Contains(childName))
{
childNames.Add(childName);
}
}
for (int i = 0; i < childNames.Count; i++)
{
String childName = (String)childNames[i];
int mult = instanceNode.getChildMultiplicity(childName);
for (int j = 0; j < mult; j++)
{
XmlElement child = serializeNode(instanceNode.getChild(childName, j));
if (child != null)
{
e.AppendChild(child);
}
}
}
}
XmlElement e1 = e.OwnerDocument.CreateElement(instanceNode.getName());
e.ParentNode.ReplaceChild(e1, e);
// add hard-coded attributes
for (int i = 0; i < instanceNode.getAttributeCount(); i++)
{
String namespace_ = instanceNode.getAttributeNamespace(i);
String name = instanceNode.getAttributeName(i);
String val = instanceNode.getAttributeValue(i);
e.SetAttribute(name, namespace_, val);
}
return(e);
}