private static object ConvertJsonValue(JProperty element, ResourceType resourceType, ResourceProperty resourceProperty, string propertyName, DocumentDbMetadata dbMetadata)
{
if (element == null)
{
return(null);
}
object propertyValue = null;
bool convertValue;
if (element.Value.Type == JTokenType.Object)
{
var document = element.Value;
propertyValue = CreateDSPResource(document, dbMetadata, propertyName,
DocumentDbMetadata.GetQualifiedTypePrefix(resourceType.Name));
convertValue = true;
}
else if (element.Value.Type == JTokenType.Array)
{
var jsonArray = element.Value.ToArray();
if (jsonArray.Any())
{
propertyValue = ConvertJsonArray(JArray.FromObject(jsonArray), resourceType, propertyName, dbMetadata);
}
convertValue = false;
}
else if (element.Value.Type == JTokenType.Null && resourceProperty.Kind == ResourcePropertyKind.Collection)
{
propertyValue = ConvertJsonArray(new JArray(0), resourceType, propertyName, dbMetadata);
convertValue = false;
}
else
{
propertyValue = ConvertRawValue(element.Value as JValue);
convertValue = true;
}
if (propertyValue != null && convertValue)
{
var propertyType = resourceProperty.ResourceType.InstanceType;
var underlyingNonNullableType = Nullable.GetUnderlyingType(resourceProperty.ResourceType.InstanceType);
if (underlyingNonNullableType != null)
{
propertyType = underlyingNonNullableType;
}
propertyValue = Convert.ChangeType(propertyValue, propertyType);
}
return(propertyValue);
}
private static object ConvertJsonArray(JArray jsonArray, ResourceType resourceType, string propertyName, DocumentDbMetadata dbMetadata)
{
if (jsonArray == null || jsonArray.Count == 0)
{
return(new object[0]);
}
bool isDocument = false;
int nonNullItemCount = 0;
for (int index = 0; index < jsonArray.Count; index++)
{
if (jsonArray[index].Type != JTokenType.Null)
{
if (jsonArray[index].Type == JTokenType.Object)
{
isDocument = true;
}
++nonNullItemCount;
}
}
object[] propertyValue = isDocument ? new DSPResource[nonNullItemCount] : new object[nonNullItemCount];
int valueIndex = 0;
for (int index = 0; index < jsonArray.Count; index++)
{
if (jsonArray[index].Type != JTokenType.Null)
{
if (isDocument)
{
propertyValue[valueIndex++] = CreateDSPResource(jsonArray[index], dbMetadata,
propertyName,
DocumentDbMetadata.GetQualifiedTypePrefix(resourceType.Name));
}
else
{
propertyValue[valueIndex++] = ConvertRawValue(jsonArray[index] as JValue);
}
}
}
return(propertyValue);
}