service/vendor/github.com/olivere/elastic/v7/decoder.go

39 lines
1.2 KiB
Go

// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"bytes"
"encoding/json"
)
// Decoder is used to decode responses from Elasticsearch.
// Users of elastic can implement their own marshaler for advanced purposes
// and set them per Client (see SetDecoder). If none is specified,
// DefaultDecoder is used.
type Decoder interface {
Decode(data []byte, v interface{}) error
}
// DefaultDecoder uses json.Unmarshal from the Go standard library
// to decode JSON data.
type DefaultDecoder struct{}
// Decode decodes with json.Unmarshal from the Go standard library.
func (u *DefaultDecoder) Decode(data []byte, v interface{}) error {
return json.Unmarshal(data, v)
}
// NumberDecoder uses json.NewDecoder, with UseNumber() enabled, from
// the Go standard library to decode JSON data.
type NumberDecoder struct{}
// Decode decodes with json.Unmarshal from the Go standard library.
func (u *NumberDecoder) Decode(data []byte, v interface{}) error {
dec := json.NewDecoder(bytes.NewReader(data))
dec.UseNumber()
return dec.Decode(v)
}