27 lines
418 B
Go
27 lines
418 B
Go
|
package pb
|
||
|
|
|
||
|
|
import (
|
||
|
|
"io"
|
||
|
|
)
|
||
|
|
|
||
|
|
// It's proxy Writer, implement io.Writer
|
||
|
|
type Writer struct {
|
||
|
|
io.Writer
|
||
|
|
bar *ProgressBar
|
||
|
|
}
|
||
|
|
|
||
|
|
func (r *Writer) Write(p []byte) (n int, err error) {
|
||
|
|
n, err = r.Writer.Write(p)
|
||
|
|
r.bar.Add(n)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close the reader when it implements io.Closer
|
||
|
|
func (r *Writer) Close() (err error) {
|
||
|
|
r.bar.Finish()
|
||
|
|
if closer, ok := r.Writer.(io.Closer); ok {
|
||
|
|
return closer.Close()
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|