/*
* (non-Javadoc)
*
* @see
* org.javarosa.core.model.utils.ITreeVisitor#visit(org.javarosa.core.model
* .DataModelTree)
*/
public void visit(FormInstance tree)
{
nodeSet = "";
//TreeElement root = tree.getRoot();
TreeElement root = tree.resolveReference(rootRef);
xmlns = root.getAttributeValue("", "xmlns");
delimeter = root.getAttributeValue("", "delimeter");
prefix = root.getAttributeValue("", "prefix");
xmlns = (xmlns != null) ? xmlns : " ";
delimeter = (delimeter != null) ? delimeter : " ";
prefix = (prefix != null) ? prefix : " ";
//Don't bother adding any delimiters, yet. Delimiters are
//added before tags/data
theSmsStr = prefix;
// serialize each node to get it's answers
for (int j = 0; j < root.getNumChildren(); j++)
{
TreeElement tee = root.getChildAt(j);
String e = serializeNode(tee);
if (e != null)
{
theSmsStr += e;
}
}
theSmsStr = theSmsStr.Trim();
}
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 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);
}