protected void validate()

in aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/servlet/ServletLambdaContainerHandlerBuilder.java [61:87]

• 27 lines of code
• 9 McCabe index (conditional complexity)

    protected void validate() throws ContainerInitializationException {
        List<String> errFields = new ArrayList<>();
        if (requestTypeClass == null) {
            errFields.add("request type class");
        }
        if (responseTypeClass == null) {
            errFields.add("response type class");
        }
        if (requestReader == null) {
            errFields.add("request reader");
        }
        if (responseWriter == null) {
            errFields.add("response writer");
        }
        if (securityContextWriter == null) {
            errFields.add("security context writer");
        }
        if (exceptionHandler == null) {
            errFields.add("exception handler");
        }
        if (initializationWrapper == null) {
            errFields.add("initialization wrapper");
        }
        if (!errFields.isEmpty()) {
            throw new ContainerInitializationException(String.format(MISSING_FIELD_ERROR, String.join(", ", errFields)), null);
        }
    }