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json.go
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/
json.go
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package json
import (
"encoding/json"
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/beats/libbeat/logp"
"github.com/elastic/beats/libbeat/outputs"
)
type Encoder struct {
Pretty bool
}
type Config struct {
Pretty bool
}
var defaultConfig = Config{
Pretty: false,
}
func init() {
outputs.RegisterOutputCodec("json", func(cfg *common.Config) (outputs.Codec, error) {
config := defaultConfig
if cfg != nil {
if err := cfg.Unpack(&config); err != nil {
return nil, err
}
}
return New(config.Pretty), nil
})
}
func New(pretty bool) *Encoder {
return &Encoder{pretty}
}
func (e *Encoder) Encode(event common.MapStr) ([]byte, error) {
var err error
var serializedEvent []byte
if e.Pretty {
serializedEvent, err = json.MarshalIndent(event, "", " ")
} else {
serializedEvent, err = json.Marshal(event)
}
if err != nil {
logp.Err("Fail to convert the event to JSON (%v): %#v", err, event)
}
return serializedEvent, err
}