mirror of
https://github.com/astaxie/beego.git
synced 2024-12-25 04:30:51 +00:00
49 lines
802 B
Go
49 lines
802 B
Go
package log
|
|
|
|
import (
|
|
"io"
|
|
)
|
|
|
|
//Handler writes logs to somewhere
|
|
type Handler interface {
|
|
Write(p []byte) (n int, err error)
|
|
Close() error
|
|
}
|
|
|
|
//StreamHandler writes logs to a specified io Writer, maybe stdout, stderr, etc...
|
|
type StreamHandler struct {
|
|
w io.Writer
|
|
}
|
|
|
|
func NewStreamHandler(w io.Writer) (*StreamHandler, error) {
|
|
h := new(StreamHandler)
|
|
|
|
h.w = w
|
|
|
|
return h, nil
|
|
}
|
|
|
|
func (h *StreamHandler) Write(b []byte) (n int, err error) {
|
|
return h.w.Write(b)
|
|
}
|
|
|
|
func (h *StreamHandler) Close() error {
|
|
return nil
|
|
}
|
|
|
|
//NullHandler does nothing, it discards anything.
|
|
type NullHandler struct {
|
|
}
|
|
|
|
func NewNullHandler() (*NullHandler, error) {
|
|
return new(NullHandler), nil
|
|
}
|
|
|
|
func (h *NullHandler) Write(b []byte) (n int, err error) {
|
|
return len(b), nil
|
|
}
|
|
|
|
func (h *NullHandler) Close() {
|
|
|
|
}
|