public void start()

in integrations/rest-management/rest-management/src/main/java/org/apache/aries/jax/rs/rest/management/internal/RestManagementActivator.java [67:177]
103 lines of code
1 McCabe index (conditional complexity)

    public void start(BundleContext bundleContext) throws Exception {
        result = all(
            ignore(
                just(
                    new RestManagementApplication(bundleContext)
                ).flatMap(application ->
                    register(
                        Application.class,
                        () -> application,
                        () -> {
                            HashMap<String, Object> map = new HashMap<>();

                            map.put(JAX_RS_NAME, RestManagementApplication.class.getSimpleName());
                            map.put(
                                JaxrsWhiteboardConstants.JAX_RS_APPLICATION_BASE, RMS_BASE);

                            return map;
                        }
                    ).then(
                        dynamic(
                            serviceReferences(
                                RestApiExtension.class,
                                "(&(org.osgi.rest.name=*)(org.osgi.rest.uri.path=*))"
                            ),
                            application::addExtension,
                            application::removeExtension
                        )
                    )
                )
            ),
            ignore(
                service(
                    serviceReferences(ClientBuilder.class)
                ).flatMap(
                    clientBuilder -> register(
                        RestClientFactory.class,
                        new RestClientFactoryImpl(clientBuilder),
                        null
                    )
                )
            ),
            ignore(
                register(
                    javax.ws.rs.core.Feature.class,
                    new PrototypeWrapper<>(
                        (b, r) -> new RestManagementFeature()
                    ),
                    () -> {
                        HashMap<String, Object> map = new HashMap<>();

                        map.put(JAX_RS_NAME, RestManagementFeature.class.getSimpleName());
                        map.put(
                            JAX_RS_APPLICATION_SELECT,
                            String.format(
                                "(%s=%s)", JAX_RS_NAME,
                                RestManagementApplication.class.getSimpleName()));
                        map.put(JAX_RS_EXTENSION, true);

                        return map;
                    }
                )
            ),
            ignore(
                register(
                    OpenAPI.class,
                    () -> {
                        OpenAPI openAPI = new OpenAPI();

                        openAPI.info(
                            new Info().title(
                                "Apache Aries OSGi Rest Management Service"
                            ).description(
                                "A REST API to manage an OSGi Framework"
                            ).license(
                                new License().name(
                                    "Apache 2.0"
                                ).url(
                                    "https://www.apache.org/licenses/LICENSE-2.0.html"
                                )
                            ).version(
                                SPECIFICATION_VERSION
                            ).contact(
                                new Contact().email(
                                    "dev@aries.apache.org"
                                )
                            )
                        ).externalDocs(
                            new ExternalDocumentation().description(
                                "OSGi Compendium Chapter 137 - REST Management Service Specification"
                            ).url(
                                "https://docs.osgi.org/specification/osgi.cmpn/7.0.0/service.rest.html"
                            )
                        );

                        return openAPI;
                    },
                    () -> {
                        HashMap<String, Object> map = new HashMap<>();

                        map.put(
                            JAX_RS_APPLICATION_SELECT,
                            String.format(
                                "(%s=%s)", JAX_RS_NAME,
                                RestManagementApplication.class.getSimpleName()));

                        return map;
                    }
                )
            )
        ).run(bundleContext);
    }