private static void SerializeEnumerable(JsonWriter writer, object obj, Type valueType, ISurrogateContext context)
{
var isArray = valueType.IsArray;
if (isArray)
{
var length = (obj as Array).Length;
writer.WritePropertyName("__isArray");
writer.WriteValue(isArray);
writer.WritePropertyName("__arrayLength");
writer.WriteValue(length);
writer.WritePropertyName("__elementType");
string elementTypeName = SurrogatesDirectory.TypeToContractedString(valueType.GetElementType());
writer.WriteValue(elementTypeName);
}
writer.WritePropertyName("__arr");
var array = obj as IEnumerable;
writer.WriteStartArray();
foreach (object item in array)
{
var prop = item.GetType();
WriteValueAux(writer, item, prop, context);
}
writer.WriteEndArray();
}
/// <summary>
/// Writes the given object and returns the JSON string
/// </summary>
public static void WriteObject(JsonWriter writer, object value, ISurrogateContext context)
{
writer.WriteStartObject();
Type valueType = value.GetType();
writer.WritePropertyName("__type");
string assemblyQualifiedName = SurrogatesDirectory.TypeToContractedString(valueType);
writer.WriteValue(assemblyQualifiedName);
if (value is System.Collections.IDictionary)
{
SerializeDictionary(writer, value, context);
}
else if (value is System.Collections.IEnumerable)
{
SerializeEnumerable(writer, value, valueType, context);
}
else
{
var fldArr = GetFieldInfosIncludingBaseClasses(valueType, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
for (var i = 0; i < fldArr.Count; i++)
{
var propEx = fldArr[i];
var propValue = propEx.GetValue(value);
var currentField = fldArr[i];
if (typeof(IStateObject).IsAssignableFrom(currentField.FieldType))
{
writer.WritePropertyName(propEx.Name);
writer.WriteValue(((IStateObject)propValue).UniqueID);
}
else if (currentField.FieldType.IsSerializable && typeof(MulticastDelegate).IsAssignableFrom(currentField.FieldType))
{
//Skip do no support delegate fields
}
else if (SurrogatesDirectory.IsSurrogateRegistered(currentField.FieldType))
{
if (propValue != null)
{
var surr = context.GetStateObjectSurrogate(propValue, generateIfNotFound: false);
if (surr == null)
{
throw new InvalidOperationException();
}
writer.WritePropertyName(propEx.Name);
writer.WriteValue(((IStateObject)surr).UniqueID);
}
else
{
writer.WritePropertyName(propEx.Name);
writer.WriteValue(String.Empty);
}
}
else
{
//Lets check if that value is not a dependency.
//if (dependencies != null && IsObjectInDependencies(dependencies, propValue))
// continue;
writer.WritePropertyName(propEx.Name);
WriteValueAux(writer, propValue, propEx.FieldType, context);
}
}
}
writer.WriteEndObject();
}