Function UnwrapResponse

response.go:120–132

UnwrapResponse unwraps given ResponseWriter to return contexts original Echo Response. rw has to implement following method `Unwrap() http.ResponseWriter`

(rw http.ResponseWriter)

// UnwrapResponse unwraps given ResponseWriter to return contexts original Echo Response. rw has to implement
// following method `Unwrap() http.ResponseWriter`
func UnwrapResponse(rw http.ResponseWriter) (*Response, error) {
	for {
		switch t := rw.(type) {
		case *Response:
			return t, nil
		case interface{ Unwrap() http.ResponseWriter }:
			rw = t.Unwrap()
			continue
		default:
			return nil, errors.New("ResponseWriter does not implement 'Unwrap() http.ResponseWriter' interface or unwrap to *echo.Response")
		}
	}
}

// delayedStatusWriter is a wrapper around http.ResponseWriter that delays writing the status code until first Write is called.
// This allows (global) error handler to decide correct status code to be sent to the client.