private HashMap extractRequestParameters()

in aws-xray-recorder-sdk-aws-sdk-v2/src/main/java/com/amazonaws/xray/interceptors/TracingInterceptor.java [143:186]
40 lines of code
13 McCabe index (conditional complexity)

    private HashMap<String, Object> extractRequestParameters(
        Context.BeforeExecution context, ExecutionAttributes executionAttributes) {
        HashMap<String, Object> parameters = new HashMap<>();

        AWSOperationHandler operationHandler = getOperationHandler(executionAttributes);
        if (operationHandler == null) {
            return parameters;
        }

        if (operationHandler.getRequestParameters() != null) {
            operationHandler.getRequestParameters().forEach((parameterName) -> {
                SdkRequest request = context.request();
                Optional<Object> parameterValue = request.getValueForField(parameterName, Object.class);
                if (parameterValue.isPresent()) {
                    parameters.put(normalizeParameterName(
                            SNAKE_CASE_NAMING_STRATEGY.translate(parameterName)), parameterValue.get());
                }
            });
        }

        if (operationHandler.getRequestDescriptors() != null) {
            operationHandler.getRequestDescriptors().forEach((key, descriptor) -> {
                if (descriptor.isMap() && descriptor.shouldGetKeys()) {
                    SdkRequest request = context.request();
                    Optional<Map> parameterValue = request.getValueForField(key, Map.class);
                    if (parameterValue.isPresent()) {
                        String renameTo = descriptor.getRenameTo() != null ? descriptor.getRenameTo() : key;
                        parameters.put(normalizeParameterName(
                                SNAKE_CASE_NAMING_STRATEGY.translate(renameTo)), parameterValue.get().keySet());
                    }
                } else if (descriptor.isList() && descriptor.shouldGetCount()) {
                    SdkRequest request = context.request();
                    Optional<List> parameterValue = request.getValueForField(key, List.class);
                    if (parameterValue.isPresent()) {
                        String renameTo = descriptor.getRenameTo() != null ? descriptor.getRenameTo() : key;
                        parameters.put(normalizeParameterName(
                                SNAKE_CASE_NAMING_STRATEGY.translate(renameTo)), parameterValue.get().size());
                    }
                }
            });
        }

        return parameters;
    }