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serializer.go
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serializer.go
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package xing
import (
"github.com/micro/protobuf/proto"
"encoding/json"
)
// Serializer ...
type Serializer interface {
ContentType() string
Marshal(data interface{}) ([]byte, error)
Unmarshal(data []byte, v interface{}) error
DefaultValue() interface{}
}
// PlainSerializer ...
type PlainSerializer struct {
name string
}
// ContentType ...
func (s *PlainSerializer) ContentType() string {
return "text/plain"
}
// Marshal ...
func (s *PlainSerializer) Marshal(data interface{}) ([]byte, error) {
str := data.(string) // FIMXE: check type instead of assertion
return []byte(str), nil
}
// Unmarshal ...
func (s *PlainSerializer) Unmarshal(data []byte, v interface{}) error {
return nil
}
// DefaultValue ...
func (s *PlainSerializer) DefaultValue() interface{} {
return ""
}
// ProtoSerializer ...
type ProtoSerializer struct {
name string
}
// ContentType ...
func (s *ProtoSerializer) ContentType() string {
return "application/protobuf"
}
// Marshal ...
func (s *ProtoSerializer) Marshal(data interface{}) ([]byte, error) {
m := data.(proto.Message)
return proto.Marshal(m)
}
// Unmarshal ...
func (s *ProtoSerializer) Unmarshal(data []byte, v interface{}) error {
return proto.Unmarshal(data, v.(proto.Message))
}
// DefaultValue ...
func (s *ProtoSerializer) DefaultValue() interface{} {
return ""
}
// JSONSerializer ...
type JSONSerializer struct {
name string
}
// ContentType ...
func (s *JSONSerializer) ContentType() string {
return "application/json"
}
// Marshal ...
func (s *JSONSerializer) Marshal(data interface{}) ([]byte, error) {
return json.Marshal(data)
}
// Unmarshal ...
func (s *JSONSerializer) Unmarshal(data []byte, v interface{}) error {
return json.Unmarshal(data, v)
}
// DefaultValue ...
func (s *JSONSerializer) DefaultValue() interface{} {
return "{}"
}