open-consul/vendor/github.com/hashicorp/go-hclog/nulllogger.go

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2018-06-21 14:49:35 +00:00
package hclog
import (
"log"
"io/ioutil"
)
// NewNullLogger instantiates a Logger for which all calls
// will succeed without doing anything.
// Useful for testing purposes.
func NewNullLogger() Logger {
return &nullLogger{}
}
type nullLogger struct{}
func (l *nullLogger) Trace(msg string, args ...interface{}) {}
func (l *nullLogger) Debug(msg string, args ...interface{}) {}
func (l *nullLogger) Info(msg string, args ...interface{}) {}
func (l *nullLogger) Warn(msg string, args ...interface{}) {}
func (l *nullLogger) Error(msg string, args ...interface{}) {}
func (l *nullLogger) IsTrace() bool { return false }
func (l *nullLogger) IsDebug() bool { return false }
func (l *nullLogger) IsInfo() bool { return false }
func (l *nullLogger) IsWarn() bool { return false }
func (l *nullLogger) IsError() bool { return false }
func (l *nullLogger) With(args ...interface{}) Logger { return l }
func (l *nullLogger) Named(name string) Logger { return l }
func (l *nullLogger) ResetNamed(name string) Logger { return l }
func (l *nullLogger) StandardLogger(opts *StandardLoggerOptions) *log.Logger {
return log.New(ioutil.Discard, "", log.LstdFlags)
}