2020-12-20 18:34:11 +00:00
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package output
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import (
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"os"
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)
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// fileWriter is a concurrent file based output writer.
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type fileWriter struct {
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2021-02-26 09:15:48 +00:00
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file *os.File
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2020-12-20 18:34:11 +00:00
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}
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// NewFileOutputWriter creates a new buffered writer for a file
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func newFileOutputWriter(file string) (*fileWriter, error) {
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output, err := os.Create(file)
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if err != nil {
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return nil, err
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}
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2021-02-26 09:15:48 +00:00
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return &fileWriter{file: output}, nil
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2020-12-20 18:34:11 +00:00
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}
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// WriteString writes an output to the underlying file
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func (w *fileWriter) Write(data []byte) error {
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2021-02-26 09:15:48 +00:00
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_, err := w.file.Write(data)
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2020-12-20 18:34:11 +00:00
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if err != nil {
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return err
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}
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2021-02-26 09:15:48 +00:00
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_, err = w.file.Write([]byte("\n"))
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2020-12-20 18:34:11 +00:00
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return err
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}
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// Close closes the underlying writer flushing everything to disk
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func (w *fileWriter) Close() error {
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//nolint:errcheck // we don't care whether sync failed or succeeded.
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w.file.Sync()
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return w.file.Close()
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}
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