public static string ToAvroFull(this AvroProtocol protocol)
{
var sb = new StringBuilder();
using (var sw = new StringWriter(sb))
WriteAvroFull(sw, protocol);
return(sb.ToString());
}
private static AvroProtocol ParseProtocol(JToken jToken, IDictionary <string, NamedSchema> namedTypes, Stack <string> enclosingNamespace)
{
switch (jToken.Type)
{
case JTokenType.Object:
var keys = new HashSet <string>()
{
"protocol"
};
var optionalKeys = new HashSet <string>()
{
"namespace", "doc", "types", "messages"
};
JsonUtil.AssertKeys(jToken, keys, optionalKeys, out _);
var name = JsonUtil.GetValue <string>(jToken, "protocol");
var protocol = new AvroProtocol(name);
if (JsonUtil.TryGetValue <string>(jToken, "namespace", out var ns))
{
protocol.Namespace = ns;
}
if (string.IsNullOrEmpty(protocol.Namespace))
{
protocol.Namespace = enclosingNamespace.Peek();
}
enclosingNamespace.Push(protocol.Namespace);
if (JsonUtil.TryGetValue <string>(jToken, "doc", out var doc))
{
protocol.Doc = doc;
}
if (JsonUtil.TryGetValue <JArray>(jToken, "types", out var types))
{
foreach (var type in ParseProtocolTypes(types, namedTypes, enclosingNamespace))
{
protocol.AddType(type);
}
}
if (JsonUtil.TryGetValue <JObject>(jToken, "messages", out var messages))
{
foreach (var message in ParseMessages(messages, protocol.Types.ToDictionary(r => r.FullName), enclosingNamespace))
{
protocol.AddMessage(message);
}
}
enclosingNamespace.Pop();
return(protocol);
default:
throw new AvroParseException($"Unexpected Json token: '{jToken.Type}'");
}
}
public static void WriteAvroCanonical(TextWriter writer, AvroProtocol protocol)
{
Write(writer, protocol, WriterMode.Canonical);
}
public static void WriteAvroFull(TextWriter writer, AvroProtocol protocol)
{
Write(writer, protocol, WriterMode.Full);
}
public static void WriteAvro(TextWriter writer, AvroProtocol protocol)
{
Write(writer, protocol, WriterMode.None);
}
private static void Write(TextWriter writer, AvroProtocol protocol, WriterMode mode)
{
var namedSchemas = new HashSet <string>();
switch (mode)
{
case WriterMode.Canonical:
writer.Write(@"{");
writer.Write(@"""protocol"":""");
writer.Write(protocol.FullName);
writer.Write(@"""");
if (protocol.Types.Count() > 0)
{
writer.Write(@",""types"":[");
WriteTypes(writer, protocol.Types, mode, protocol.Namespace, namedSchemas, true);
writer.Write(@"]");
}
if (protocol.Messages.Count() > 0)
{
writer.Write(@",""messages"":{");
WriteMessages(writer, protocol.Messages, mode, protocol.Namespace, namedSchemas, true);
writer.Write(@"}");
}
writer.Write("}");;
break;
case WriterMode.Full:
writer.Write(@"{ ");
writer.Write(@"""namespace"": """);
writer.Write(protocol.Namespace);
writer.Write(@""", ");
writer.Write(@"""protocol"": """);
writer.Write(protocol.Name);
writer.Write(@""", ");
writer.Write(@"""doc"": """);
writer.Write(protocol.Doc);
writer.Write(@""", ");
writer.Write(@"""types"": [");
WriteTypes(writer, protocol.Types, mode, protocol.Namespace, namedSchemas, true);
writer.Write(@"], ");
writer.Write(@"""messages"": {");
WriteMessages(writer, protocol.Messages, mode, protocol.Namespace, namedSchemas, true);
writer.Write("}");;
writer.Write(" }");;
break;
default:
writer.Write(@"{ ");
if (!string.IsNullOrEmpty(protocol.Namespace))
{
writer.Write(@"""namespace"": """);
writer.Write(protocol.Namespace);
writer.Write(@""", ");
}
writer.Write(@"""protocol"": """);
writer.Write(protocol.Name);
writer.Write(@"""");
if (!string.IsNullOrEmpty(protocol.Doc))
{
writer.Write(@", ""doc"": """);
writer.Write(protocol.Doc);
writer.Write(@"""");
}
if (protocol.Types.Count() > 0)
{
writer.Write(@", ""types"": [");
WriteTypes(writer, protocol.Types, mode, protocol.Namespace, namedSchemas, true);
writer.Write(@"]");
}
if (protocol.Messages.Count() > 0)
{
writer.Write(@", ""messages"": {");
WriteMessages(writer, protocol.Messages, mode, protocol.Namespace, namedSchemas, true);
writer.Write(@"}");
}
writer.Write(" }");
break;
}
}
