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stream-multistream.go
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stream-multistream.go
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package logger
import "github.com/gildas/go-errors"
// MultiStream is the Stream that writes to several streams
type MultiStream struct {
streams []Streamer
}
// SetFilterLevel sets the filter level of all streams
func (stream *MultiStream) SetFilterLevel(level Level) Streamer {
for _, s := range stream.streams {
s.SetFilterLevel(level)
}
return stream
}
// Write writes the given Record
func (stream *MultiStream) Write(record Record) error {
// implements logger.Stream
errs := errors.MultiError{}
for _, s := range stream.streams {
if err := s.Write(record); err != nil {
_ = errs.Append(errors.WithStack(err))
}
}
return errs.AsError()
}
// ShouldWrite tells if the given level should be written to this stream
func (stream *MultiStream) ShouldWrite(level Level) bool {
// implements logger.Stream
return true
}
// Flush flushes the stream (makes sure records are actually written)
func (stream *MultiStream) Flush() {
// implements logger.Stream
for _, s := range stream.streams {
s.Flush()
}
}
// Close closes the stream
func (stream *MultiStream) Close() {
for _, s := range stream.streams {
s.Close()
}
}
// String gets a string version
func (stream MultiStream) String() string {
// implements the fmt.Stringer interface
return "MultiStream"
}
// CreateMultiStream creates a MultiStream that contains all given Streamer objects
func CreateMultiStream(streams ...Streamer) Streamer {
return &MultiStream{streams: streams}
}