func parseErrorResponse()

in whisk/client.go [550:578]
22 lines of code
6 McCabe index (conditional complexity)

func parseErrorResponse(resp *http.Response, data []byte, v interface{}) (*http.Response, error) {
	Debug(DbgInfo, "HTTP failure %d + body\n", resp.StatusCode)

	// Determine if an application error was received (#5)
	buf := bytes.NewBuffer(data)
	d := json.NewDecoder(buf)
	d.UseNumber()

	errorResponse := &ErrorResponse{Response: resp}
	err := d.Decode(&errorResponse)

	// Determine if error is an application error or an error generated by API
	if err == nil {
		if errorResponse.Code == nil /*&& errorResponse.ErrMsg != nil */ && resp.StatusCode == 502 {
			return parseApplicationError(resp, data, v)
		} else if errorResponse.Code != nil && errorResponse.ErrMsg != nil {
			Debug(DbgInfo, "HTTP failure %d; server error %s\n", resp.StatusCode, errorResponse)
			werr := MakeWskError(errorResponse, resp.StatusCode-256, DISPLAY_MSG, NO_DISPLAY_USAGE)
			return resp, werr
		}
	}

	// Body contents are unknown (#6)
	Debug(DbgError, "HTTP response with unexpected body failed due to contents parsing error: '%v'\n", err)
	errMsg := wski18n.T("The connection failed, or timed out. (HTTP status code {{.code}})",
		map[string]interface{}{"code": resp.StatusCode})
	whiskErr := MakeWskError(errors.New(errMsg), resp.StatusCode-256, DISPLAY_MSG, NO_DISPLAY_USAGE)
	return resp, whiskErr
}