blackhole.go

// Copyright 2015-2016, Cyrill @ Schumacher.fm and the CoreStore contributors
//
// 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 log

// BlackHole logs and does nothing. An empty struct.
type BlackHole struct {
	EnableDebug bool
	EnableInfo  bool
}

// New returns a new Logger that has this logger's context plus the given context
func (l BlackHole) With(...Field) Logger {
	return BlackHole{EnableDebug: l.EnableDebug, EnableInfo: l.EnableInfo}
}

// Debug logs a debug entry. Noop.
func (l BlackHole) Debug(_ string, _ ...Field) {}

// Info logs an info entry. Noop.
func (l BlackHole) Info(_ string, _ ...Field) {}

// IsDebug determines if this logger logs a debug statement. Returns always true.
func (l BlackHole) IsDebug() bool { return l.EnableDebug }

// IsInfo determines if this logger logs an info statement. Returns always true.
func (l BlackHole) IsInfo() bool { return l.EnableInfo }