60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
// For more tutorials : https://learngoprogramming.com
|
|
// In-person training : https://www.linkedin.com/in/inancgumus/
|
|
// Follow me on twitter: https://twitter.com/inancgumus
|
|
|
|
package parse
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
|
|
"github.com/inancgumus/learngo/logparser/v6/logly/record"
|
|
)
|
|
|
|
// JSONParser parses json records.
|
|
type JSONParser struct {
|
|
in *json.Decoder
|
|
err error // last error
|
|
last *record.Record // last parsed record
|
|
}
|
|
|
|
// JSON creates a json parser.
|
|
func JSON(r io.Reader) *JSONParser {
|
|
return &JSONParser{
|
|
in: json.NewDecoder(r),
|
|
last: new(record.Record),
|
|
}
|
|
}
|
|
|
|
// Parse the next line.
|
|
func (p *JSONParser) Parse() bool {
|
|
if p.err != nil {
|
|
return false
|
|
}
|
|
|
|
p.last.Reset()
|
|
|
|
err := p.in.Decode(&p.last)
|
|
if err == io.EOF {
|
|
return false
|
|
}
|
|
|
|
p.err = err
|
|
|
|
return err == nil
|
|
}
|
|
|
|
// Value returns the most recent record parsed by a call to Parse.
|
|
func (p *JSONParser) Value() record.Record {
|
|
return *p.last
|
|
}
|
|
|
|
// Err returns the first error that was encountered by the Log.
|
|
func (p *JSONParser) Err() error {
|
|
return p.err
|
|
}
|