/
logger.go
59 lines (47 loc) · 1.26 KB
/
logger.go
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package bertybridge
import (
"os"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
type Printer interface {
Print(string)
}
type printerLogger struct {
zapcore.Core
enc zapcore.Encoder
p Printer
}
func (mc *printerLogger) Check(entry zapcore.Entry, checked *zapcore.CheckedEntry) *zapcore.CheckedEntry {
return checked.AddCore(entry, mc)
}
func (mc *printerLogger) Write(entry zapcore.Entry, fields []zapcore.Field) error {
buff, err := mc.enc.EncodeEntry(entry, fields)
if err != nil {
return err
}
mc.p.Print(buff.String())
return nil
}
func newPrinterLogger(p Printer) *zap.Logger {
if p == nil {
return zap.NewNop()
}
// printer logger
printerEncoderConfig := zap.NewDevelopmentEncoderConfig()
printerEncoderConfig.LevelKey = ""
printerEncoderConfig.TimeKey = ""
printerEncoderConfig.NameKey = ""
printerEncoderConfig.CallerKey = ""
printerEncoder := zapcore.NewConsoleEncoder(printerEncoderConfig)
printerOutput := zapcore.Lock(os.Stderr)
printerLevel := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool { return lvl >= zapcore.DebugLevel })
printerCore := &printerLogger{
Core: zapcore.NewCore(printerEncoder, printerOutput, printerLevel),
enc: printerEncoder,
p: p,
}
// create logger
logger := zap.New(printerCore)
return logger
}