Examples with ExecutableComponentDeclaration org.mule.runtime.api.meta.model.declaration.fluent.ExecutableComponentDeclaration used on opensource projects

Example 1 with ExecutableComponentDeclaration

use of org.mule.runtime.api.meta.model.declaration.fluent.ExecutableComponentDeclaration in project mule by mulesoft.

the class NotificationsDeclarationEnricher method enrich.

@Override
public void enrich(ExtensionLoadingContext extensionLoadingContext) {
    ExtensionDeclaration declaration = extensionLoadingContext.getExtensionDeclarer().getDeclaration();
    Optional<ExtensionTypeDescriptorModelProperty> extensionType = declaration.getModelProperty(ExtensionTypeDescriptorModelProperty.class);
    String extensionNamespace = getExtensionsNamespace(declaration);
    ClassTypeLoader typeLoader = ExtensionsTypeLoaderFactory.getDefault().createTypeLoader();
    if (extensionType.isPresent() && extensionType.get().getType().getDeclaringClass().isPresent()) {
        Type extensionElement = extensionType.get().getType();
        Optional<NotificationActions> annotation = extensionElement.getAnnotation(NotificationActions.class);
        annotation.ifPresent(actionsAnnotation -> {
            NotificationActionDefinition<?>[] actions = (NotificationActionDefinition<?>[]) actionsAnnotation.value().getEnumConstants();
            Map<NotificationActionDefinition, NotificationModel> notificationModels = new HashMap<>();
            stream(actions).forEach(action -> {
                NotificationModel model = new ImmutableNotificationModel(extensionNamespace, ((Enum) action).name(), typeLoader.load(action.getDataType().getType()));
                declaration.addNotificationModel(model);
                notificationModels.put(action, model);
            });
            new IdempotentDeclarationWalker() {

                @Override
                public void onOperation(WithOperationsDeclaration owner, OperationDeclaration declaration) {
                    Optional<ExtensionOperationDescriptorModelProperty> modelProperty = declaration.getModelProperty(ExtensionOperationDescriptorModelProperty.class);
                    if (modelProperty.isPresent()) {
                        MethodElement method = modelProperty.get().getOperationMethod();
                        Optional<Fires> emitsNotifications = getOperationNotificationDeclaration(method, extensionElement);
                        includeNotificationDeclarationIfNeeded(declaration, emitsNotifications);
                    }
                }

                @Override
                public void onSource(SourceDeclaration declaration) {
                    Optional<ExtensionTypeDescriptorModelProperty> modelProperty = declaration.getModelProperty(ExtensionTypeDescriptorModelProperty.class);
                    if (modelProperty.isPresent()) {
                        Type sourceContainer = modelProperty.get().getType();
                        Optional<Fires> emitsNotifications = getNotificationDeclaration(sourceContainer, extensionElement);
                        includeNotificationDeclarationIfNeeded(declaration, emitsNotifications);
                    }
                }

                private Optional<Fires> getOperationNotificationDeclaration(MethodElement operationMethod, Type extensionElement) {
                    Type operationContainer = operationMethod.getEnclosingType();
                    return ofNullable(operationMethod.getAnnotation(Fires.class)).orElse(getNotificationDeclaration(operationContainer, extensionElement));
                }

                private Optional<Fires> getNotificationDeclaration(Type container, Type extensionElement) {
                    return ofNullable(container.getAnnotation(Fires.class).orElseGet(() -> extensionElement.getAnnotation(Fires.class).orElse(null)));
                }

                private void includeNotificationDeclarationIfNeeded(ExecutableComponentDeclaration declaration, Optional<Fires> emitsNotifications) {
                    emitsNotifications.ifPresent(emits -> {
                        Class<? extends NotificationActionProvider>[] providers = emits.value();
                        stream(providers).forEach(provider -> {
                            try {
                                NotificationActionProvider notificationActionProvider = provider.newInstance();
                                notificationActionProvider.getNotificationActions().stream().map(action -> validateEmits(actions, action)).forEach(action -> declaration.addNotificationModel(notificationModels.get(action)));
                            } catch (InstantiationException | IllegalAccessException e) {
                                throw new MuleRuntimeException(createStaticMessage("Could not create NotificationActionProvider of type " + provider.getName()), e);
                            }
                        });
                    });
                }

                private NotificationActionDefinition validateEmits(NotificationActionDefinition[] actions, NotificationActionDefinition action) {
                    Class<?> extensionAction = actions.getClass().getComponentType();
                    if (!action.getClass().equals(extensionAction) && !action.getClass().getSuperclass().equals(extensionAction)) {
                        throw new IllegalModelDefinitionException(format("Invalid EmitsNotification detected, the extension declared" + " firing notifications of %s type, but a notification of %s type has been detected", extensionAction, action.getClass()));
                    } else {
                        return action;
                    }
                }
            }.walk(declaration);
        });
    }
}