public boolean shouldRetry()

in src/main/java/com/aliyun/oss/common/comm/DefaultServiceClient.java [191:226]
30 lines of code
15 McCabe index (conditional complexity)

        public boolean shouldRetry(Exception ex, RequestMessage request, ResponseMessage response, int retries) {
            if (ex instanceof ClientException) {
                String errorCode = ((ClientException) ex).getErrorCode();
                if (errorCode.equals(ClientErrorCode.CONNECTION_TIMEOUT)
                        || errorCode.equals(ClientErrorCode.SOCKET_TIMEOUT)
                        || errorCode.equals(ClientErrorCode.CONNECTION_REFUSED)
                        || errorCode.equals(ClientErrorCode.UNKNOWN_HOST)
                        || errorCode.equals(ClientErrorCode.SOCKET_EXCEPTION)
                        || errorCode.equals(ClientErrorCode.SSL_EXCEPTION)) {
                    return true;
                }

                // Don't retry when request input stream is non-repeatable
                if (errorCode.equals(ClientErrorCode.NONREPEATABLE_REQUEST)) {
                    return false;
                }
            }

            if (ex instanceof OSSException) {
                String errorCode = ((OSSException) ex).getErrorCode();
                // No need retry for invalid responses
                if (OSSErrorCode.INVALID_RESPONSE.equals(errorCode)) {
                    return false;
                }
            }

            if (response != null) {
                int statusCode = response.getStatusCode();
                if (statusCode == HttpStatus.SC_INTERNAL_SERVER_ERROR || statusCode == HttpStatus.SC_BAD_GATEWAY ||
                        statusCode == HttpStatus.SC_SERVICE_UNAVAILABLE) {
                    return true;
                }
            }

            return false;
        }