1// Copyright 2016 VMware, Inc. All Rights Reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package message 16 17import "log" 18 19var DefaultLogger Logger 20 21type Logger interface { 22 Errorf(format string, args ...interface{}) 23 Debugf(format string, args ...interface{}) 24 Infof(format string, args ...interface{}) 25} 26 27func init() { 28 DefaultLogger = &logger{} 29} 30 31type logger struct { 32 DebugLevel bool 33} 34 35func (l *logger) Errorf(format string, args ...interface{}) { 36 log.Printf(format, args...) 37} 38 39func (l *logger) Debugf(format string, args ...interface{}) { 40 if !l.DebugLevel { 41 return 42 } 43 44 log.Printf(format, args...) 45} 46 47func (l *logger) Infof(format string, args ...interface{}) { 48 log.Printf(format, args...) 49} 50 51func Errorf(format string, args ...interface{}) { 52 DefaultLogger.Errorf(format, args...) 53} 54 55func Debugf(format string, args ...interface{}) { 56 DefaultLogger.Debugf(format, args...) 57} 58 59func Infof(format string, args ...interface{}) { 60 DefaultLogger.Infof(format, args...) 61} 62