// ReadFrom uses io.Copy with the BoduWriter if available after writing headers and checking that the writer is set
func (frw *FlexibleResponseWriter) ReadFrom(r io.Reader) (n int64, err error) {
if !frw.wroteHeader {
frw.WriteHeader(frw.Code)
}
if frw.BodyWriter == nil {
return 0, utils.NewErrorWithStack("The body is not initialized, writes are not accepted.")
}
return io.Copy(frw.BodyWriter, r)
}
// Write checks if a writer is initialized. If there is a body writer, it passes
// the arguments to it. If there isn't one, it fails.
func (frw *FlexibleResponseWriter) Write(buf []byte) (int, error) {
if !frw.wroteHeader {
frw.WriteHeader(frw.Code)
}
if frw.BodyWriter == nil {
return 0, utils.NewErrorWithStack("The body is not initialized, writes are not accepted.")
}
return frw.BodyWriter.Write(buf)
}