private OpenAPI createOpenApi()

in geronimo-openapi-impl/src/main/java/org/apache/geronimo/microprofile/openapi/cdi/GeronimoOpenAPIExtension.java [159:192]
29 lines of code
7 McCabe index (conditional complexity)

    private OpenAPI createOpenApi(final Class<?> application, final Stream<Class<?>> beans) {
        final CDI<Object> current = CDI.current();
        final OpenAPI api = ofNullable(config.read(OASConfig.MODEL_READER, null))
                .map(value -> newInstance(current, value))
                .map(it -> OASModelReader.class.cast(it).buildModel())
                .orElseGet(() -> current.select(DefaultLoader.class).get().loadDefaultApi());

        final BeanManager beanManager = current.getBeanManager();
        processor.processApplication(api, new ElementImpl(beanManager.createAnnotatedType(application)));
        if (skipScan) {
            return api.paths(new PathsImpl());
        }

        // adds the context path to the base
        final Instance<ServletContext> servletContextInstance = current.select(ServletContext.class);
        final boolean appendContextPath = Boolean.parseBoolean(config.read("application.append-context-path", "true"));
        String contextPath = "";
        if (appendContextPath && !servletContextInstance.isAmbiguous() && !servletContextInstance.isUnsatisfied()) {
            contextPath = servletContextInstance.get().getContextPath();
        }

        final String base = contextPath + processor.getApplicationBinding(application);
        processor.beforeProcessing();
        beans.filter(c -> (excludeClasses == null || !excludeClasses.contains(c.getName())))
                .filter(c -> (excludePackages == null || excludePackages.stream().noneMatch(it -> c.getName().startsWith(it))))
                .map(beanManager::createAnnotatedType)
                .forEach(at -> processor.processClass(
                        base, api, new ElementImpl(at), at.getMethods().stream().map(MethodElementImpl::new)));

        return ofNullable(config.read(OASConfig.FILTER, null))
                .map(it -> newInstance(current, it))
                .map(i -> new FilterImpl(OASFilter.class.cast(i)).filter(api))
                .orElse(api);
    }