marshal_json.go

Documentation: github.com/grpc-ecosystem/grpc-gateway/runtime

     1  package runtime
     2  
     3  import (
     4  	"encoding/json"
     5  	"io"
     6  )
     7  
     8  // JSONBuiltin is a Marshaler which marshals/unmarshals into/from JSON
     9  // with the standard "encoding/json" package of Golang.
    10  // Although it is generally faster for simple proto messages than JSONPb,
    11  // it does not support advanced features of protobuf, e.g. map, oneof, ....
    12  //
    13  // The NewEncoder and NewDecoder types return *json.Encoder and
    14  // *json.Decoder respectively.
    15  type JSONBuiltin struct{}
    16  
    17  // ContentType always Returns "application/json".
    18  func (*JSONBuiltin) ContentType() string {
    19  	return "application/json"
    20  }
    21  
    22  // Marshal marshals "v" into JSON
    23  func (j *JSONBuiltin) Marshal(v interface{}) ([]byte, error) {
    24  	return json.Marshal(v)
    25  }
    26  
    27  // Unmarshal unmarshals JSON data into "v".
    28  func (j *JSONBuiltin) Unmarshal(data []byte, v interface{}) error {
    29  	return json.Unmarshal(data, v)
    30  }
    31  
    32  // NewDecoder returns a Decoder which reads JSON stream from "r".
    33  func (j *JSONBuiltin) NewDecoder(r io.Reader) Decoder {
    34  	return json.NewDecoder(r)
    35  }
    36  
    37  // NewEncoder returns an Encoder which writes JSON stream into "w".
    38  func (j *JSONBuiltin) NewEncoder(w io.Writer) Encoder {
    39  	return json.NewEncoder(w)
    40  }
    41  
    42  // Delimiter for newline encoded JSON streams.
    43  func (j *JSONBuiltin) Delimiter() []byte {
    44  	return []byte("\n")
    45  }
    46
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