private void buildAAA()

in src/main/java/org/opensearch/security/securityconf/DynamicConfigModelV7.java [203:342]
107 lines of code
24 McCabe index (conditional complexity)

    private void buildAAA() {
        
        final SortedSet<AuthDomain> restAuthDomains0 = new TreeSet<>();
        final Set<AuthorizationBackend> restAuthorizers0 = new HashSet<>();
        final SortedSet<AuthDomain> transportAuthDomains0 = new TreeSet<>();
        final Set<AuthorizationBackend> transportAuthorizers0 = new HashSet<>();
        final List<Destroyable> destroyableComponents0 = new LinkedList<>();
        final List<AuthFailureListener> ipAuthFailureListeners0 = new ArrayList<>();
        final Multimap<String, AuthFailureListener> authBackendFailureListeners0 = ArrayListMultimap.create();
        final List<ClientBlockRegistry<InetAddress>> ipClientBlockRegistries0 = new ArrayList<>();
        final Multimap<String, ClientBlockRegistry<String>> authBackendClientBlockRegistries0 = ArrayListMultimap.create();

        final Authz authzDyn = config.dynamic.authz;

        for (final Entry<String, AuthzDomain> ad : authzDyn.getDomains().entrySet()) {
            final boolean httpEnabled = ad.getValue().http_enabled;
            final boolean transportEnabled = ad.getValue().transport_enabled;


            if (httpEnabled || transportEnabled) {
                try {

                    final String authzBackendClazz = ad.getValue().authorization_backend.type;
                    final AuthorizationBackend authorizationBackend;
                    
                    if(authzBackendClazz.equals(InternalAuthenticationBackend.class.getName()) //NOSONAR
                            || authzBackendClazz.equals("internal")
                            || authzBackendClazz.equals("intern")) {
                        authorizationBackend = iab;
                        ReflectionHelper.addLoadedModule(InternalAuthenticationBackend.class);
                    } else {
                        authorizationBackend = newInstance(
                                authzBackendClazz,"z",
                                Settings.builder()
                                .put(opensearchSettings)
                                //.putProperties(ads.getAsStringMap(DotPath.of("authorization_backend.config")), DynamicConfiguration.checkKeyFunction()).build(), configPath);
                                .put(Settings.builder().loadFromSource(ad.getValue().authorization_backend.configAsJson(), XContentType.JSON).build()).build()
                                , configPath);
                    }
                    
                    if (httpEnabled) {
                        restAuthorizers0.add(authorizationBackend);
                    }

                    if (transportEnabled) {
                        transportAuthorizers0.add(authorizationBackend);
                    }
                    
                    if (authorizationBackend instanceof Destroyable) {
                        destroyableComponents0.add((Destroyable) authorizationBackend);
                    }
                } catch (final Exception e) {
                    log.error("Unable to initialize AuthorizationBackend {} due to {}", ad, e.toString(),e);
                }
            }
        }

        final Authc authcDyn = config.dynamic.authc;

        for (final Entry<String, AuthcDomain> ad : authcDyn.getDomains().entrySet()) {
            final boolean httpEnabled = ad.getValue().http_enabled;
            final boolean transportEnabled = ad.getValue().transport_enabled;

            if (httpEnabled || transportEnabled) {
                try {
                    AuthenticationBackend authenticationBackend;
                    final String authBackendClazz = ad.getValue().authentication_backend.type;
                    if(authBackendClazz.equals(InternalAuthenticationBackend.class.getName()) //NOSONAR
                            || authBackendClazz.equals("internal")
                            || authBackendClazz.equals("intern")) {
                        authenticationBackend = iab;
                        ReflectionHelper.addLoadedModule(InternalAuthenticationBackend.class);
                    } else {
                        authenticationBackend = newInstance(
                                authBackendClazz,"c",
                                Settings.builder()
                                .put(opensearchSettings)
                                //.putProperties(ads.getAsStringMap(DotPath.of("authentication_backend.config")), DynamicConfiguration.checkKeyFunction()).build()
                                .put(Settings.builder().loadFromSource(ad.getValue().authentication_backend.configAsJson(), XContentType.JSON).build()).build()
                                , configPath);
                    }

                    String httpAuthenticatorType = ad.getValue().http_authenticator.type; //no default
                    HTTPAuthenticator httpAuthenticator = httpAuthenticatorType==null?null:  (HTTPAuthenticator) newInstance(httpAuthenticatorType,"h",
                            Settings.builder().put(opensearchSettings)
                            //.putProperties(ads.getAsStringMap(DotPath.of("http_authenticator.config")), DynamicConfiguration.checkKeyFunction()).build(), 
                            .put(Settings.builder().loadFromSource(ad.getValue().http_authenticator.configAsJson(), XContentType.JSON).build()).build()

                            , configPath);

                    final AuthDomain _ad = new AuthDomain(authenticationBackend, httpAuthenticator,
                            ad.getValue().http_authenticator.challenge, ad.getValue().order);

                    if (httpEnabled && _ad.getHttpAuthenticator() != null) {
                        restAuthDomains0.add(_ad);
                    }

                    if (transportEnabled) {
                        transportAuthDomains0.add(_ad);
                    }
                    
                    if (httpAuthenticator instanceof Destroyable) {
                        destroyableComponents0.add((Destroyable) httpAuthenticator);
                    }
                    
                    if (authenticationBackend instanceof Destroyable) {
                        destroyableComponents0.add((Destroyable) authenticationBackend);
                    }
                    
                } catch (final Exception e) {
                    log.error("Unable to initialize auth domain {} due to {}", ad, e.toString(), e);
                }

            }
        }

        List<Destroyable> originalDestroyableComponents = destroyableComponents;
        
        restAuthDomains = Collections.unmodifiableSortedSet(restAuthDomains0);
        transportAuthDomains = Collections.unmodifiableSortedSet(transportAuthDomains0);
        restAuthorizers = Collections.unmodifiableSet(restAuthorizers0);
        transportAuthorizers = Collections.unmodifiableSet(transportAuthorizers0);
        
        destroyableComponents = Collections.unmodifiableList(destroyableComponents0);
        
        if(originalDestroyableComponents != null) {
            destroyDestroyables(originalDestroyableComponents);
        }
        
        originalDestroyableComponents = null;

        createAuthFailureListeners(ipAuthFailureListeners0,
                authBackendFailureListeners0, ipClientBlockRegistries0, authBackendClientBlockRegistries0, destroyableComponents0);
        
        ipAuthFailureListeners = Collections.unmodifiableList(ipAuthFailureListeners0);
        ipClientBlockRegistries = Collections.unmodifiableList(ipClientBlockRegistries0);
        authBackendClientBlockRegistries = Multimaps.unmodifiableMultimap(authBackendClientBlockRegistries0);
        authBackendFailureListeners = Multimaps.unmodifiableMultimap(authBackendFailureListeners0);

    }