private void submitOperation()

in sdk/src/main/java/software/amazon/awssdk/iot/iotidentity/IotIdentityV2Client.java [248:278]
31 lines of code
7 McCabe index (conditional complexity)

    private <T, E> void submitOperation(V2ClientFuture<T> finalFuture, RequestResponseOperation operation, String responseTopic, Class<T> responseClass, String errorTopic, Class<E> errorClass, BiFunction<String, E, Throwable> exceptionFactory) {
        try {
            CompletableFuture<MqttRequestResponse> responseFuture = this.rrClient.submitRequest(operation);
            CompletableFuture<MqttRequestResponse> compositeFuture = responseFuture.whenComplete((res, ex) -> {
                if (ex != null) {
                    finalFuture.completeExceptionally(exceptionFactory.apply(ex.getMessage(), null));
                } else if (res.getTopic().equals(responseTopic)) {
                    try {
                        String payload = new String(res.getPayload(), StandardCharsets.UTF_8);
                        T response = this.gson.fromJson(payload, responseClass);
                        finalFuture.complete(response);
                    } catch (Exception e) {
                        finalFuture.completeExceptionally(exceptionFactory.apply(e.getMessage(), null));
                    }
                } else if (res.getTopic().equals(errorTopic)) {
                    try {
                        String payload = new String(res.getPayload(), StandardCharsets.UTF_8);
                        E error = this.gson.fromJson(payload, errorClass);
                        finalFuture.completeExceptionally(exceptionFactory.apply("Request-response operation failure", error));
                    } catch (Exception e) {
                        finalFuture.completeExceptionally(exceptionFactory.apply(e.getMessage(), null));
                    }
                } else {
                    finalFuture.completeExceptionally(exceptionFactory.apply("Request-response operation completed on unknown topic: " + res.getTopic(), null));
                }
            });
            finalFuture.setTriggeringFuture(compositeFuture);
        } catch (Exception ex) {
            finalFuture.completeExceptionally(exceptionFactory.apply(ex.getMessage(), null));
        }
    }