Examples with Resource org.apache.camel.spi.Resource used on opensource projects

Example 1 with Resource

use of org.apache.camel.spi.Resource in project camel-quarkus by apache.

the class KameletProcessor method configureTemplates.

@Record(ExecutionTime.STATIC_INIT)
@BuildStep
CamelContextCustomizerBuildItem configureTemplates(List<KameletResolverBuildItem> resolvers, KameletConfiguration configuration, KameletRecorder recorder) throws Exception {
    List<RouteTemplateDefinition> definitions = new ArrayList<>();
    List<KameletResolver> kameletResolvers = resolvers.stream().map(KameletResolverBuildItem::getResolver).sorted(Comparator.comparingInt(Ordered::getOrder)).collect(Collectors.toList());
    CamelContext context = new DefaultCamelContext();
    ExtendedCamelContext ecc = context.adapt(ExtendedCamelContext.class);
    for (String id : configuration.identifiers.orElse(Collections.emptyList())) {
        for (KameletResolver resolver : kameletResolvers) {
            final Optional<Resource> resource = resolver.resolve(id, ecc);
            if (!resource.isPresent()) {
                continue;
            }
            Collection<RoutesBuilder> rbs = ecc.getRoutesLoader().findRoutesBuilders(resource.get());
            for (RoutesBuilder rb : rbs) {
                RouteBuilder routeBuilder = (RouteBuilder) rb;
                routeBuilder.configure();
                if (routeBuilder.getRouteTemplateCollection().getRouteTemplates().size() == 0) {
                    throw new IllegalStateException("No kamelet template was created for " + "kamelet:" + id + ". It might be that the kamelet was malformed?");
                } else if (routeBuilder.getRouteTemplateCollection().getRouteTemplates().size() > 1) {
                    throw new IllegalStateException("A kamelet is not supposed to create more than one route (" + "kamelet:" + id + "," + "routes: " + routeBuilder.getRouteTemplateCollection().getRouteTemplates().size() + ")");
                }
                definitions.add(routeBuilder.getRouteTemplateCollection().getRouteTemplates().get(0));
            }
        }
    }
    return new CamelContextCustomizerBuildItem(recorder.createTemplateLoaderCustomizer(definitions));
}

Example 2 with Resource

use of org.apache.camel.spi.Resource in project camel-quarkus by apache.

the class CSimpleXmlProcessor method collectCSimpleExpresions.

@BuildStep
void collectCSimpleExpresions(BuildProducer<CSimpleExpressionSourceBuildItem> csimpleExpressions) throws Exception {
    final String[] includes = Stream.of("camel.main.routesIncludePattern", "camel.main.routes-include-pattern").map(prop -> CamelSupport.getOptionalConfigValue(prop, String[].class, new String[0])).flatMap(Stream::of).filter(path -> !path.equals("false")).toArray(String[]::new);
    final String[] excludes = Stream.of("camel.main.routesExcludePattern", "camel.main.routes-exclude-pattern").map(prop -> CamelSupport.getOptionalConfigValue(prop, String[].class, new String[0])).flatMap(Stream::of).filter(path -> !path.equals("false")).toArray(String[]::new);
    try (DefaultPackageScanResourceResolver resolver = new DefaultPackageScanResourceResolver()) {
        resolver.setCamelContext(new DefaultCamelContext());
        final SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
        saxParserFactory.setNamespaceAware(true);
        final SAXParser saxParser = saxParserFactory.newSAXParser();
        for (String include : includes) {
            for (Resource resource : resolver.findResources(include)) {
                if (AntPathMatcher.INSTANCE.anyMatch(excludes, resource.getLocation())) {
                    continue;
                }
                try (InputStream is = resource.getInputStream()) {
                    saxParser.parse(is, new LanguageExpressionContentHandler("csimple", (script, isPredicate) -> csimpleExpressions.produce(new CSimpleExpressionSourceBuildItem(script, isPredicate, "org.apache.camel.language.csimple.XmlRouteBuilder"))));
                } catch (FileNotFoundException e) {
                    LOG.debugf("No XML routes found in %s. Skipping XML routes detection.", resource.getLocation());
                } catch (Exception e) {
                    throw new RuntimeException("Could not analyze CSimple expressions in " + resource.getLocation(), e);
                }
            }
        }
    }
}

Example 3 with Resource

use of org.apache.camel.spi.Resource in project camel-k-runtime by apache.

the class SourcesSupport method load.

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, got " + routes.size());
                    }
                    if (!templates.isEmpty()) {
                        throw new IllegalArgumentException("There should not be any template, 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 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.isEmpty()) {
                        throw new IllegalArgumentException("There should be no route definition, got " + routes.size());
                    }
                    if (!templates.isEmpty()) {
                        throw new IllegalArgumentException("There should not be any template, got " + templates.size());
                    }
                    if (hasErrorHandlerBuilder(builder)) {
                        LOGGER.debug("Setting default error handler builder factory as {}", builder.getErrorHandlerBuilder());
                        runtime.getCamelContext().adapt(ExtendedCamelContext.class).setErrorHandlerFactory(builder.getErrorHandlerBuilder());
                    }
                }
            });
            break;
        default:
            throw new IllegalArgumentException("Unknown source type: " + source.getType());
    }
    try {
        final Resource resource = Sources.asResource(runtime.getCamelContext(), source);
        final ExtendedCamelContext ecc = runtime.getCamelContext(ExtendedCamelContext.class);
        final Collection<RoutesBuilder> builders = ecc.getRoutesLoader().findRoutesBuilders(resource);
        builders.stream().map(RouteBuilder.class::cast).peek(b -> interceptors.forEach(b::addLifecycleInterceptor)).forEach(runtime::addRoutes);
    } catch (Exception e) {
        throw RuntimeCamelException.wrapRuntimeCamelException(e);
    }
}