public JsonValue ToJson(
object subject,
Type typeScope,
SerializationContext context
)
{
if (!(subject is Exception exception))
{
throw new ArgumentException(
"Provided instance is not an exception."
);
}
try
{
// every exception should be ISerializable
return(SerializableTypeSerializer.ToJson(
subject,
typeScope,
context
));
}
catch
{
// it doesn't want to be serialized,
// so serialize at lest what can be pulled out manually
// (we want to get at least some information to the client)
return(new JsonObject()
.Add("ClassName", exception.GetType().FullName)
.Add("HResult", exception.HResult)
.Add("Message", exception.Message)
.Add("StackTraceString", exception.StackTrace));
}
}
private static JsonValue Serialize(
object subject,
Type typeScope,
SerializationContext context
)
{
Type type = subject.GetType();
// .NET primitives
if (type.IsPrimitive)
{
return(DotNetPrimitivesSerializer.ToJson(subject, type));
}
// string
if (type == typeof(string))
{
return((string)subject);
}
// enums
if (type.IsEnum)
{
return(EnumSerializer.ToJson(subject));
}
// arrays
if (type.IsArray)
{
// binary data
if (type == typeof(byte[]))
{
return(BinarySerializer.ToJson(subject, typeScope, context));
}
return(ArraySerializer.ToJson(subject, typeScope, context));
}
// by what type value to search through ITypeSerializers
var searchType = type.IsGenericType
? type.GetGenericTypeDefinition()
: type;
// exact type serializers
if (exactTypeSerializers.TryGetValue(searchType, out ITypeSerializer serializer))
{
return(serializer.ToJson(subject, typeScope, context));
}
// assignable type serializers
foreach (var pair in assignableTypeSerializers)
{
if (pair.Key.IsAssignableFrom(searchType))
{
return(pair.Value.ToJson(subject, typeScope, context));
}
}
// unisave serializable
if (typeof(IUnisaveSerializable).IsAssignableFrom(type))
{
return(UnisaveSerializableTypeSerializer.ToJson(
subject, typeScope, context
));
}
// serializable
if (typeof(ISerializable).IsAssignableFrom(type))
{
return(SerializableTypeSerializer.ToJson(
subject, typeScope, context
));
}
// validate type scope
if (!typeScope.IsAssignableFrom(type))
{
throw new ArgumentException(
$"Given subject is of type {type} that is not assignable " +
$"to the given type scope {typeScope}"
);
}
// other
return(DefaultSerializer.ToJson(subject, typeScope, context));
}