public static void load()

in camel-k-core/support/src/main/java/org/apache/camel/k/support/SourcesSupport.java [91:178]
74 lines of code
13 McCabe index (conditional complexity)

    public static void load(Runtime runtime, Source source) {
        final List<RouteBuilderLifecycleStrategy> interceptors;

        switch (source.getType()) {
            case source:
                interceptors = RuntimeSupport.loadInterceptors(runtime.getCamelContext(), source);
                interceptors.forEach(interceptor -> {
                    if (interceptor instanceof RuntimeAware) {
                        ((RuntimeAware) interceptor).setRuntime(runtime);
                    }
                });

                break;
            case template:
                if (!source.getInterceptors().isEmpty()) {
                    LOGGER.warn("Interceptors associated to the route template {} will be ignored", source.getName());
                }

                interceptors = List.of(new RouteBuilderLifecycleStrategy() {
                    @Override
                    public void afterConfigure(RouteBuilder builder) {
                        List<RouteDefinition> routes = builder.getRouteCollection().getRoutes();
                        List<RouteTemplateDefinition> templates = builder.getRouteTemplateCollection().getRouteTemplates();

                        if (routes.size() != 1) {
                            throw new IllegalArgumentException(
                                "There should be a single route definition when configuring route templates, got " + routes.size());
                        }
                        if (!templates.isEmpty()) {
                            throw new IllegalArgumentException(
                                "There should not be any template definition when configuring route templates, got " + templates.size());
                        }

                        // create a new template from the source
                        RouteTemplateDefinition templatesDefinition = builder.getRouteTemplateCollection().routeTemplate(source.getId());
                        templatesDefinition.setRoute(routes.get(0));

                        source.getPropertyNames().forEach(templatesDefinition::templateParameter);

                        // remove all routes definitions as they have been translated
                        // in the related route template
                        routes.clear();
                    }
                });
                break;
            case errorHandler:
                if (!source.getInterceptors().isEmpty()) {
                    LOGGER.warn("Interceptors associated to the error handler {} will be ignored", source.getName());
                }

                interceptors = List.of(new RouteBuilderLifecycleStrategy() {
                    @Override
                    public void afterConfigure(RouteBuilder builder) {
                        List<RouteDefinition> routes = builder.getRouteCollection().getRoutes();
                        List<RouteTemplateDefinition> templates = builder.getRouteTemplateCollection().getRouteTemplates();

                        if (!routes.isEmpty()) {
                            throw new IllegalArgumentException(
                                "There should be no route definition when configuring error handler, got " + routes.size());
                        }
                        if (!templates.isEmpty()) {
                            throw new IllegalArgumentException(
                                "There should not be any template definition when configuring error handler, got " + templates.size());
                        }
                        if (hasErrorHandlerFactory(builder)){
                            LOGGER.debug("Setting default error handler builder factory as type {}", builder.getErrorHandlerFactory().getClass());
                            runtime.getExtendedCamelContext().setErrorHandlerFactory(builder.getErrorHandlerFactory());
                        }
                    }
                });
                break;
            default:
                throw new IllegalArgumentException("Unknown source type: " + source.getType());
        }

        try {
            final Resource resource = Sources.asResource(runtime.getCamelContext(), source);
            final ExtendedCamelContext ecc = runtime.getExtendedCamelContext();
            final Collection<RoutesBuilder> builders = PluginHelper.getRoutesLoader(ecc).findRoutesBuilders(resource);

            builders.stream()
                    .map(RouteBuilder.class::cast)
                    .peek(b -> interceptors.forEach(b::addLifecycleInterceptor))
                    .forEach(runtime::addRoutes);
        } catch (Exception e) {
            throw RuntimeCamelException.wrapRuntimeCamelException(e);
        }
    }