private void SerializeDictionary(JsonWriter writer, IDictionary values)
{
writer.WriteStartObject();
foreach (DictionaryEntry entry in values)
{
writer.WritePropertyName(entry.Key.ToString());
SerializeValue(writer, entry.Value, null);
}
writer.WriteEndObject();
}
/// <summary> /// Writes the JSON representation of the object. /// </summary> /// <param name="writer">The <see cref="JsonWriter"/> to write to.</param> /// <param name="value">The value.</param> public abstract void WriteJson(JsonWriter writer, object value);
private void SerializeCollection(JsonWriter writer, ICollection values)
{
SerializeList(writer, values.Cast<object>().ToList());
}
private void SerializeList(JsonWriter writer, IList values)
{
writer.WriteStartArray();
for (int i = 0; i < values.Count; i++)
{
SerializeValue(writer, values[i], null);
}
writer.WriteEndArray();
}
private void SerializeEnumerable(JsonWriter writer, IEnumerable values)
{
SerializeList(writer, values.Cast<object>().ToList());
}
private void SerializeObject(JsonWriter writer, object value)
{
Type objectType = value.GetType();
#if !SILVERLIGHT && !PocketPC
TypeConverter converter = TypeDescriptor.GetConverter(objectType);
// use the objectType's TypeConverter if it has one and can convert to a string
if (converter != null && !(converter is ComponentConverter) && (converter.GetType() != typeof(TypeConverter) || value is Type))
{
if (converter.CanConvertTo(typeof(string)))
{
writer.WriteValue(converter.ConvertToInvariantString(value));
return;
}
}
#else
if (value is Guid || value is Type)
{
writer.WriteValue(value.ToString());
return;
}
#endif
writer.SerializeStack.Add(value);
writer.WriteStartObject();
JsonMemberMappingCollection memberMappings = GetMemberMappings(objectType);
foreach (JsonMemberMapping memberMapping in memberMappings)
{
if (!memberMapping.Ignored && memberMapping.Readable)
WriteMemberInfoProperty(writer, value, memberMapping);
}
writer.WriteEndObject();
writer.SerializeStack.RemoveAt(writer.SerializeStack.Count - 1);
}
private void WriteMemberInfoProperty(JsonWriter writer, object value, JsonMemberMapping memberMapping)
{
MemberInfo member = memberMapping.Member;
string propertyName = memberMapping.MappingName;
JsonConverter memberConverter = memberMapping.MemberConverter;
object defaultValue = memberMapping.DefaultValue;
if (!ReflectionUtils.IsIndexedProperty(member))
{
object memberValue = ReflectionUtils.GetMemberValue(member, value);
if (_nullValueHandling == NullValueHandling.Ignore && memberValue == null)
return;
if (_defaultValueHandling == DefaultValueHandling.Ignore && object.Equals(memberValue, defaultValue))
return;
if (writer.SerializeStack.IndexOf(memberValue) != -1)
{
switch (_referenceLoopHandling)
{
case ReferenceLoopHandling.Error:
throw new JsonSerializationException("Self referencing loop");
case ReferenceLoopHandling.Ignore:
// return from method
return;
case ReferenceLoopHandling.Serialize:
// continue
break;
default:
throw new InvalidOperationException("Unexpected ReferenceLoopHandling value: '{0}'".FormatWith(CultureInfo.InvariantCulture, _referenceLoopHandling));
}
}
writer.WritePropertyName(propertyName ?? member.Name);
SerializeValue(writer, memberValue, memberConverter);
}
}
private void SerializeValue(JsonWriter writer, object value, JsonConverter memberConverter)
{
JsonConverter converter;
if (value == null)
{
writer.WriteNull();
}
else if (memberConverter != null)
{
memberConverter.WriteJson(writer, value);
}
else if (HasClassConverter(value.GetType(), out converter))
{
converter.WriteJson(writer, value);
}
else if (HasMatchingConverter(value.GetType(), out converter))
{
converter.WriteJson(writer, value);
}
else if (JsonConvert.IsJsonPrimitive(value))
{
writer.WriteValue(value);
}
else if (value is IList)
{
SerializeList(writer, (IList)value);
}
else if (value is IDictionary)
{
SerializeDictionary(writer, (IDictionary)value);
}
else if (value is ICollection)
{
SerializeCollection(writer, (ICollection)value);
}
else if (value is IEnumerable)
{
SerializeEnumerable(writer, (IEnumerable)value);
}
else if (value is JsonRaw)
{
writer.WriteRawValue(((JsonRaw)value).Content);
}
else
{
SerializeObject(writer, value);
}
}
/// <summary>
/// Serializes the specified <see cref="Object"/> and writes the Json structure
/// to a <c>Stream</c> using the specified <see cref="JsonWriter"/>.
/// </summary>
/// <param name="jsonWriter">The <see cref="JsonWriter"/> used to write the Json structure.</param>
/// <param name="value">The <see cref="Object"/> to serialize.</param>
public void Serialize(JsonWriter jsonWriter, object value)
{
if (jsonWriter == null)
throw new ArgumentNullException("jsonWriter");
if (value is JToken)
((JToken)value).WriteTo(jsonWriter, (_converters != null) ? _converters.ToArray() : null);
else
SerializeValue(jsonWriter, value, null);
}
