Package io.vertx.grpc.common

Interface GrpcMessageDecoder<T>

public interface GrpcMessageDecoder<T>

Field Summary

Fields

Modifier and Type	Field	Description
static GrpcMessageDecoder<Buffer>	IDENTITY
static GrpcMessageDecoder<JsonObject>	JSON_OBJECT	A decoder in JSON format decoding to instances of JsonObject.
static GrpcMessageDecoder<Object>	JSON_VALUE	A decoder in JSON format decoding arbitrary JSON values: JsonObject, JsonArray or string/number/boolean/null

Method Summary

Modifier and Type	Method	Description
T	decode(GrpcMessage msg)
static <T> GrpcMessageDecoder<T>	decoder(com.google.protobuf.Parser<T> parser)	Create a decoder for a given protobuf Parser.
WireFormat	format()
static <T> GrpcMessageDecoder<T>	json(Class<T> clazz)	Create a decoder in JSON format decoding to instances of the clazz using Json.decodeValue(Buffer, Class) (Jackson Databind is required).
static <T> GrpcMessageDecoder<T>	json(java.util.function.Supplier<com.google.protobuf.Message.Builder> builder)	Create a decoder for a given protobuf Parser.

Field Detail

IDENTITY

static final GrpcMessageDecoder<Buffer> IDENTITY

JSON_OBJECT

static final GrpcMessageDecoder<JsonObject> JSON_OBJECT

A decoder in JSON format decoding to instances of JsonObject.

JSON_VALUE

static final GrpcMessageDecoder<Object> JSON_VALUE

A decoder in JSON format decoding arbitrary JSON values: JsonObject, JsonArray or string/number/boolean/null

Method Detail

decoder

static <T> GrpcMessageDecoder<T> decoder(com.google.protobuf.Parser<T> parser)

Create a decoder for a given protobuf Parser.

Parameters:

parser - the parser that returns decoded messages of type <T>

Returns:

the message decoder

json

static <T> GrpcMessageDecoder<T> json(java.util.function.Supplier<com.google.protobuf.Message.Builder> builder)

Create a decoder for a given protobuf Parser.

Parameters:

builder - the supplier of a message builder

Returns:

the message decoder

json

static <T> GrpcMessageDecoder<T> json(Class<T> clazz)

Create a decoder in JSON format decoding to instances of the clazz using Json.decodeValue(Buffer, Class) (Jackson Databind is required).

Parameters:

clazz - the java type to decode

Returns:

a decoder that decodes messages to instance of clazz in JSON format.

decode

T decode(GrpcMessage msg)
  throws CodecException

Throws:

CodecException

format

WireFormat format()