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- // Copyright (c) 2017 Uber Technologies, Inc.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- package jaeger
- import "log"
- // NB This will be deprecated in 3.0.0, please use jaeger-client-go/log/logger instead.
- // Logger provides an abstract interface for logging from Reporters.
- // Applications can provide their own implementation of this interface to adapt
- // reporters logging to whatever logging library they prefer (stdlib log,
- // logrus, go-logging, etc).
- type Logger interface {
- // Error logs a message at error priority
- Error(msg string)
- // Infof logs a message at info priority
- Infof(msg string, args ...interface{})
- }
- // StdLogger is implementation of the Logger interface that delegates to default `log` package
- var StdLogger = &stdLogger{}
- type stdLogger struct{}
- func (l *stdLogger) Error(msg string) {
- log.Printf("ERROR: %s", msg)
- }
- // Infof logs a message at info priority
- func (l *stdLogger) Infof(msg string, args ...interface{}) {
- log.Printf(msg, args...)
- }
- // NullLogger is implementation of the Logger interface that delegates to default `log` package
- var NullLogger = &nullLogger{}
- type nullLogger struct{}
- func (l *nullLogger) Error(msg string) {}
- func (l *nullLogger) Infof(msg string, args ...interface{}) {}
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