GoToSocial/vendor/github.com/superseriousbusiness/exif-terminator/logger.go

48 lines
1.4 KiB
Go

/*
exif-terminator
Copyright (C) 2022 SuperSeriousBusiness admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package terminator
import "fmt"
var logger ErrorLogger
func init() {
logger = &defaultErrorLogger{}
}
// ErrorLogger denotes a generic error logging function.
type ErrorLogger interface {
Error(args ...interface{})
}
type defaultErrorLogger struct{}
func (d *defaultErrorLogger) Error(args ...interface{}) {
fmt.Println(args...)
}
// SetErrorLogger allows a user of the exif-terminator library
// to set the logger that will be used for error logging.
//
// If it is not set, the default error logger will be used, which
// just prints errors to stdout.
func SetErrorLogger(errorLogger ErrorLogger) {
logger = errorLogger
}