48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package encoding
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import (
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"encoding/json"
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"fmt"
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"google.golang.org/grpc/encoding"
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"google.golang.org/protobuf/encoding/protojson"
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)
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// JSONCodec is easyjson codec used for code generated by protogen.
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// It is binary-level compatible with the standard protojson format, thus uses the same name.
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type JSONCodec struct{}
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var _ encoding.Codec = JSONCodec{}
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func init() {
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encoding.RegisterCodec(JSONCodec{})
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}
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// Name implements the encoding.Codec interface.
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func (JSONCodec) Name() string { return "json" }
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// Marshal implements the encoding.Codec interface.
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func (JSONCodec) Marshal(v any) ([]byte, error) {
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switch v := v.(type) {
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case json.Marshaler:
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return json.Marshal(v)
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default:
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if v := messageV2Of(v); v != nil {
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return protojson.Marshal(v)
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}
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return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
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}
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}
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// Unmarshal implements the encoding.Codec interface.
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func (JSONCodec) Unmarshal(data []byte, v any) error {
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switch v := v.(type) {
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case json.Unmarshaler:
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return json.Unmarshal(data, v)
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default:
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if v := messageV2Of(v); v != nil {
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return protojson.Unmarshal(data, v)
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}
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return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
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}
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}
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