mirror of https://github.com/pressly/goose.git
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package goose
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import (
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std "log"
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)
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var log Logger = &stdLogger{}
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// Logger is standard logger interface
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type Logger interface {
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Fatal(v ...interface{})
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Fatalf(format string, v ...interface{})
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Print(v ...interface{})
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Println(v ...interface{})
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Printf(format string, v ...interface{})
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}
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// SetLogger sets the logger for package output
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func SetLogger(l Logger) {
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log = l
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}
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// stdLogger is a default logger that outputs to a stdlib's log.std logger.
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type stdLogger struct{}
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func (*stdLogger) Fatal(v ...interface{}) { std.Fatal(v...) }
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func (*stdLogger) Fatalf(format string, v ...interface{}) { std.Fatalf(format, v...) }
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func (*stdLogger) Print(v ...interface{}) { std.Print(v...) }
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func (*stdLogger) Println(v ...interface{}) { std.Println(v...) }
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func (*stdLogger) Printf(format string, v ...interface{}) { std.Printf(format, v...) }
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// NopLogger returns a logger that discards all logged output.
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func NopLogger() Logger {
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return &nopLogger{}
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}
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type nopLogger struct{}
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var _ Logger = (*nopLogger)(nil)
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func (*nopLogger) Fatal(v ...interface{}) {}
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func (*nopLogger) Fatalf(format string, v ...interface{}) {}
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func (*nopLogger) Print(v ...interface{}) {}
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func (*nopLogger) Println(v ...interface{}) {}
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func (*nopLogger) Printf(format string, v ...interface{}) {}
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