public static Property ParseProperty(ObjectDefinition objectDefinition, JsonReader reader)
{
Property result = new Property();
string propertyValueID = null;
while (reader.Read())
{
if (reader.State == TJsonReaderState.Member)
{
if (string.Compare(reader.Text, "n") == 0)
{
if (reader.Read() && !string.IsNullOrEmpty(reader.Text))
{
string[] fields = reader.Text.Split('/');
PropertyDefinition property = objectDefinition.GetProperty(fields[0]);
if (property != null)
{
result.PropertyDefinitionID = property.PropertyDefinitionID;
result.PropertyID = property.PropertyID;
if (fields.Length > 1)
{
propertyValueID = fields[1];
result.Values = new List<PropertyValue>();
}
}
}
}
else if ((string.Compare(reader.Text, "v") == 0) || (string.Compare(reader.Text, "sv") == 0))
{
if (reader.Read() && !string.IsNullOrEmpty(reader.Text))
{
if (string.IsNullOrEmpty(propertyValueID))
{
result.Value = new PropertyValue(reader.Text);
}
else
{
PropertyValue value = new PropertyValue();
value.PropertyValueID = propertyValueID;
value.Value = reader.Text;
result.Values.Add(value);
}
}
}
else if (string.Compare(reader.Text, "bv") == 0)
{
if (reader.Read())
{
if (string.IsNullOrEmpty(propertyValueID))
{
result.Value = new PropertyValue(reader.AsBoolean.ToString());
}
else
{
PropertyValue value = new PropertyValue();
value.PropertyValueID = propertyValueID;
value.Value = reader.AsBoolean.ToString();
result.Values.Add(value);
}
}
}
}
if (reader.State == TJsonReaderState.EndObject)
break;
}
return result;
}
private byte[] SerialiseObject(ObjectDefinition objectDefinition, Model.Object item)
{
byte[] result = null;
TlvWriter arrayWriter = null;
MemoryStream arraystream = null;
using (MemoryStream steam = new MemoryStream())
{
TlvWriter writer = new TlvWriter(steam);
foreach (Property property in item.Properties)
{
PropertyDefinition propertyDefinition = objectDefinition.GetProperty(property.PropertyID);
if (propertyDefinition != null)
{
if (propertyDefinition.IsCollection)
{
if (property.Values != null)
{
ushort identifier;
if (ushort.TryParse(propertyDefinition.PropertyID, out identifier))
{
if (arrayWriter == null)
{
arraystream = new MemoryStream();
arrayWriter = new TlvWriter(arraystream);
}
arraystream.SetLength(0);
foreach (PropertyValue propertyValue in property.Values)
{
WriteValue(arrayWriter, TTlvTypeIdentifier.ResourceInstance, propertyDefinition.DataType, propertyValue.PropertyValueID, propertyValue.Value);
}
byte[] arrayItems = arraystream.ToArray();
writer.Write(TTlvTypeIdentifier.MultipleResources, identifier, arrayItems);
}
}
}
else if (property.Value != null)
{
WriteValue(writer, TTlvTypeIdentifier.ResourceWithValue, propertyDefinition.DataType, propertyDefinition.PropertyID, property.Value.Value);
}
}
}
result = steam.ToArray();
}
return result;
}
public static Model.Object ParseObject(ObjectDefinition objectDefinition, TlvReader reader)
{
Model.Object result = null;
while (reader.Read())
{
if (reader.TlvRecord.TypeIdentifier == TTlvTypeIdentifier.ObjectInstance)
{
TlvReader objectReader = new TlvReader(reader.TlvRecord.Value);
result = ParseObject(objectDefinition, objectReader);
if (result != null)
{
result.InstanceID = reader.TlvRecord.Identifier.ToString();
}
break;
}
if ((reader.TlvRecord.TypeIdentifier != TTlvTypeIdentifier.ObjectInstance) && (reader.TlvRecord.TypeIdentifier != TTlvTypeIdentifier.NotSet))
{
if (result == null)
{
result = new Model.Object();
result.ObjectID = objectDefinition.ObjectID;
result.ObjectDefinitionID = objectDefinition.ObjectDefinitionID;
}
if (reader.TlvRecord.TypeIdentifier == TTlvTypeIdentifier.ResourceWithValue)
{
string propertyID = reader.TlvRecord.Identifier.ToString();
PropertyDefinition property = objectDefinition.GetProperty(propertyID);
if (property != null)
{
Property lwm2mProperty = new Property();
lwm2mProperty.PropertyDefinitionID = property.PropertyDefinitionID;
lwm2mProperty.PropertyID = property.PropertyID;
lwm2mProperty.Value = new PropertyValue(GetValue(reader, property));
result.Properties.Add(lwm2mProperty);
}
}
else if (reader.TlvRecord.TypeIdentifier == TTlvTypeIdentifier.MultipleResources)
{
string propertyID = reader.TlvRecord.Identifier.ToString();
PropertyDefinition property = objectDefinition.GetProperty(propertyID);
if (property != null)
{
Property lwm2mProperty = new Property();
lwm2mProperty.PropertyDefinitionID = property.PropertyDefinitionID;
lwm2mProperty.PropertyID = property.PropertyID;
result.Properties.Add(lwm2mProperty);
TlvReader arrayReader = new TlvReader(reader.TlvRecord.Value);
while (arrayReader.Read())
{
if (arrayReader.TlvRecord.TypeIdentifier == TTlvTypeIdentifier.ResourceInstance)
{
string value = GetValue(arrayReader, property);
if (value != null)
{
if (lwm2mProperty.Values == null)
lwm2mProperty.Values = new List<PropertyValue>();
PropertyValue propertyValue = new PropertyValue();
propertyValue.PropertyValueID = arrayReader.TlvRecord.Identifier.ToString();
propertyValue.Value = value;
lwm2mProperty.Values.Add(propertyValue);
}
}
}
}
}
}
}
return result;
}
