/// <summary>
/// Converts a <see cref="object"/> to <see cref="System.Protobuf.Value"/>.
/// </summary>
/// <remarks>
/// This is primarily used when converting propertybags to protobuf messages and scenarios when we don't
/// know the actual type of obj.
/// </remarks>
/// <param name="obj"></param>
/// <returns></returns>
public static System.Protobuf.Value ToProtobuf(this object obj)
{
var value = new System.Protobuf.Value();
var objType = obj.GetType();
if (objType.IsEnumerable() && !objType.IsDictionary())
{
value.ListValue = ((System.Collections.IEnumerable)obj).ToProtobuf();
}
else if (objType == typeof(Dolittle.PropertyBags.PropertyBag))
{
value.DictionaryValue = ((Dolittle.PropertyBags.PropertyBag)obj).ToProtobuf().AsDictionaryValue();
}
else
{
var protobufObj = new System.Protobuf.Object();
var protobufType = obj.GetProtobufType();
protobufObj.Type = (int)protobufType;
var stream = new MemoryStream();
using (var outputStream = new CodedOutputStream(stream))
{
obj.WriteWithTypeTo(protobufType, outputStream);
outputStream.Flush();
stream.Flush();
stream.Seek(0, SeekOrigin.Begin);
protobufObj.Content = ByteString.CopyFrom(stream.ToArray());
}
value.ObjectValue = protobufObj;
}
return(value);
}
/// <summary>
/// Read value from <see cref="System.Protobuf.Value"/>
/// </summary>
/// <param name="value"><see cref="System.Protobuf.Value"/> to read from</param>
/// <returns>Value in the correct type - null if not capable of converting</returns>
public static object ToCLR(this System.Protobuf.Value value)
{
object returnValue = null;
switch (value.KindCase)
{
case System.Protobuf.Value.KindOneofCase.ObjectValue:
returnValue = value.ObjectValue.ToCLR();
break;
case System.Protobuf.Value.KindOneofCase.ListValue:
returnValue = value.ListValue.ToCLR();
break;
case System.Protobuf.Value.KindOneofCase.DictionaryValue:
returnValue = value.DictionaryValue.ToCLR();
break;
}
return(returnValue);
}
