pure json codec
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
50
json.go
50
json.go
@@ -4,57 +4,49 @@ package json
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import (
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"encoding/json"
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"io"
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"io/ioutil"
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"github.com/unistack-org/micro/v3/codec"
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jsonpb "google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/proto"
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)
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type Codec struct {
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Conn io.ReadWriteCloser
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Encoder *json.Encoder
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Decoder *json.Decoder
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type jsonCodec struct {
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}
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func (c *Codec) ReadHeader(m *codec.Message, t codec.MessageType) error {
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func (c *jsonCodec) ReadHeader(conn io.ReadWriter, m *codec.Message, t codec.MessageType) error {
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return nil
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}
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func (c *Codec) ReadBody(b interface{}) error {
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func (c *jsonCodec) ReadBody(conn io.ReadWriter, b interface{}) error {
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if b == nil {
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return nil
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}
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switch m := b.(type) {
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case proto.Message:
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buf, err := ioutil.ReadAll(c.Conn)
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if err != nil {
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return err
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}
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return jsonpb.Unmarshal(buf, m)
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}
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return c.Decoder.Decode(b)
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return json.NewDecoder(conn).Decode(b)
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}
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func (c *Codec) Write(m *codec.Message, b interface{}) error {
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func (c *jsonCodec) Write(conn io.ReadWriter, m *codec.Message, b interface{}) error {
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if b == nil {
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return nil
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}
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return c.Encoder.Encode(b)
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return json.NewEncoder(conn).Encode(b)
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}
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func (c *Codec) Close() error {
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return c.Conn.Close()
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func (c *jsonCodec) Marshal(b interface{}) ([]byte, error) {
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if b == nil {
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return nil, nil
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}
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return json.Marshal(b)
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}
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func (c *Codec) String() string {
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func (c *jsonCodec) Unmarshal(b []byte, v interface{}) error {
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if b == nil {
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return nil
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}
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return json.Unmarshal(b, v)
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}
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func (c *jsonCodec) String() string {
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return "json"
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}
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func NewCodec(c io.ReadWriteCloser) codec.Codec {
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return &Codec{
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Conn: c,
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Decoder: json.NewDecoder(c),
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Encoder: json.NewEncoder(c),
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}
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func NewCodec() codec.Codec {
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return &jsonCodec{}
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}
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