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console.go
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console.go
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/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [https://neo4j.com]
*
* 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
*
* https://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
import (
"fmt"
"os"
"time"
)
type console struct {
Errors bool
Infos bool
Warns bool
Debugs bool
}
const timeFormat = "2006-01-02 15:04:05.000"
func (l *console) Error(name, id string, err error) {
if !l.Errors {
return
}
now := time.Now()
fmt.Fprintf(os.Stderr, "%s ERROR [%s %s] %s\n", now.Format(timeFormat), name, id, err.Error())
}
func (l *console) Infof(name, id string, msg string, args ...any) {
if !l.Infos {
return
}
now := time.Now()
fmt.Fprintf(os.Stdout, "%s INFO [%s %s] %s\n", now.Format(timeFormat), name, id, fmt.Sprintf(msg, args...))
}
func (l *console) Warnf(name, id string, msg string, args ...any) {
if !l.Warns {
return
}
now := time.Now()
fmt.Fprintf(os.Stdout, "%s WARN [%s %s] %s\n", now.Format(timeFormat), name, id, fmt.Sprintf(msg, args...))
}
func (l *console) Debugf(name, id string, msg string, args ...any) {
if !l.Debugs {
return
}
now := time.Now()
fmt.Fprintf(os.Stdout, "%s DEBUG [%s %s] %s\n", now.Format(timeFormat), name, id, fmt.Sprintf(msg, args...))
}
// Console is a simple logger that logs to stdout/console.
// Turn the different log levels on/off as wished, all are off by default.
//
// Deprecated: use log.ToConsole() instead.
type Console = console
// ToConsole returns a simple logger that logs to stdout/console.
//
// level is the minimum log level that will be logged.
func ToConsole(level Level) Logger {
return &console{
Errors: level >= ERROR,
Warns: level >= WARNING,
Infos: level >= INFO,
Debugs: level >= DEBUG,
}
}