Examples with DiscoveryStrategy org.jboss.weld.environment.deployment.discovery.DiscoveryStrategy used on opensource projects

Example 1 with DiscoveryStrategy

use of org.jboss.weld.environment.deployment.discovery.DiscoveryStrategy in project core by weld.

the class WeldServletLifecycle method createDeployment.

/**
 * Create servlet deployment.
 *
 * Can be overridden with custom servlet deployment. e.g. exact resources listing in restricted env like GAE
 *
 * @param context the servlet context
 * @param bootstrap the bootstrap
 * @return new servlet deployment
 */
protected CDI11Deployment createDeployment(ServletContext context, CDI11Bootstrap bootstrap) {
    ImmutableSet.Builder<Metadata<Extension>> extensionsBuilder = ImmutableSet.builder();
    extensionsBuilder.addAll(bootstrap.loadExtensions(WeldResourceLoader.getClassLoader()));
    if (isDevModeEnabled) {
        extensionsBuilder.add(new MetadataImpl<Extension>(DevelopmentMode.getProbeExtension(resourceLoader), "N/A"));
    }
    final Iterable<Metadata<Extension>> extensions = extensionsBuilder.build();
    final TypeDiscoveryConfiguration typeDiscoveryConfiguration = bootstrap.startExtensions(extensions);
    final EEModuleDescriptor eeModule = new EEModuleDescriptorImpl(context.getContextPath(), ModuleType.WEB);
    final DiscoveryStrategy strategy = DiscoveryStrategyFactory.create(resourceLoader, bootstrap, typeDiscoveryConfiguration.getKnownBeanDefiningAnnotations(), Boolean.parseBoolean(context.getInitParameter(Jandex.DISABLE_JANDEX_DISCOVERY_STRATEGY)));
    if (Jandex.isJandexAvailable(resourceLoader)) {
        try {
            Class<? extends BeanArchiveHandler> handlerClass = Reflections.loadClass(resourceLoader, JANDEX_SERVLET_CONTEXT_BEAN_ARCHIVE_HANDLER);
            strategy.registerHandler((SecurityActions.newConstructorInstance(handlerClass, new Class<?>[] { ServletContext.class }, context)));
        } catch (Exception e) {
            throw CommonLogger.LOG.unableToInstantiate(JANDEX_SERVLET_CONTEXT_BEAN_ARCHIVE_HANDLER, Arrays.toString(new Object[] { context }), e);
        }
    } else {
        strategy.registerHandler(new ServletContextBeanArchiveHandler(context));
    }
    strategy.setScanner(new WebAppBeanArchiveScanner(resourceLoader, bootstrap, context));
    Set<WeldBeanDeploymentArchive> beanDeploymentArchives = strategy.performDiscovery();
    String isolation = context.getInitParameter(CONTEXT_PARAM_ARCHIVE_ISOLATION);
    if (isolation == null || Boolean.valueOf(isolation)) {
        CommonLogger.LOG.archiveIsolationEnabled();
    } else {
        CommonLogger.LOG.archiveIsolationDisabled();
        Set<WeldBeanDeploymentArchive> flatDeployment = new HashSet<WeldBeanDeploymentArchive>();
        flatDeployment.add(WeldBeanDeploymentArchive.merge(bootstrap, beanDeploymentArchives));
        beanDeploymentArchives = flatDeployment;
    }
    for (BeanDeploymentArchive archive : beanDeploymentArchives) {
        archive.getServices().add(EEModuleDescriptor.class, eeModule);
    }
    CDI11Deployment deployment = new WeldDeployment(resourceLoader, bootstrap, beanDeploymentArchives, extensions) {

        @Override
        protected WeldBeanDeploymentArchive createAdditionalBeanDeploymentArchive() {
            WeldBeanDeploymentArchive archive = super.createAdditionalBeanDeploymentArchive();
            archive.getServices().add(EEModuleDescriptor.class, eeModule);
            return archive;
        }
    };
    if (strategy.getClassFileServices() != null) {
        deployment.getServices().add(ClassFileServices.class, strategy.getClassFileServices());
    }
    return deployment;
}

Example 2 with DiscoveryStrategy

use of org.jboss.weld.environment.deployment.discovery.DiscoveryStrategy in project core by weld.

the class Weld method createDeployment.

/**
 * <p>
 * Extensions to Weld SE can subclass and override this method to customize the deployment before weld boots up. For example, to add a custom
 * ResourceLoader, you would subclass Weld like so:
 * </p>
 *
 * <pre>
 * public class MyWeld extends Weld {
 *     protected Deployment createDeployment(ResourceLoader resourceLoader, CDI11Bootstrap bootstrap) {
 *         return super.createDeployment(new MyResourceLoader(), bootstrap);
 *     }
 * }
 * </pre>
 *
 * <p>
 * This could then be used as normal:
 * </p>
 *
 * <pre>
 * WeldContainer container = new MyWeld().initialize();
 * </pre>
 *
 * @param resourceLoader
 * @param bootstrap
 */
protected Deployment createDeployment(ResourceLoader resourceLoader, CDI11Bootstrap bootstrap) {
    final Iterable<Metadata<Extension>> extensions = getExtensions();
    final TypeDiscoveryConfiguration typeDiscoveryConfiguration = bootstrap.startExtensions(extensions);
    final Deployment deployment;
    final Set<WeldBeanDeploymentArchive> beanDeploymentArchives = new HashSet<WeldBeanDeploymentArchive>();
    final Map<Class<? extends Service>, Service> additionalServices = new HashMap<>(this.additionalServices);
    final Set<Class<? extends Annotation>> beanDefiningAnnotations = ImmutableSet.<Class<? extends Annotation>>builder().addAll(typeDiscoveryConfiguration.getKnownBeanDefiningAnnotations()).add(ThreadScoped.class).build();
    if (discoveryEnabled) {
        DiscoveryStrategy strategy = DiscoveryStrategyFactory.create(resourceLoader, bootstrap, beanDefiningAnnotations, isEnabled(Jandex.DISABLE_JANDEX_DISCOVERY_STRATEGY, false));
        if (isImplicitScanEnabled()) {
            strategy.setScanner(new ClassPathBeanArchiveScanner(bootstrap));
        }
        beanDeploymentArchives.addAll(strategy.performDiscovery());
        ClassFileServices classFileServices = strategy.getClassFileServices();
        if (classFileServices != null) {
            additionalServices.put(ClassFileServices.class, classFileServices);
        }
    }
    if (isSyntheticBeanArchiveRequired()) {
        ImmutableSet.Builder<String> beanClassesBuilder = ImmutableSet.builder();
        beanClassesBuilder.addAll(scanPackages());
        Set<String> setOfAllBeanClasses = beanClassesBuilder.build();
        // the creation process differs based on bean discovery mode
        if (BeanDiscoveryMode.ANNOTATED.equals(beanDiscoveryMode)) {
            // Annotated bean discovery mode, filter classes
            ImmutableSet.Builder<String> filteredSetbuilder = ImmutableSet.builder();
            for (String className : setOfAllBeanClasses) {
                Class<?> clazz = Reflections.loadClass(resourceLoader, className);
                if (clazz != null && Reflections.hasBeanDefiningAnnotation(clazz, beanDefiningAnnotations)) {
                    filteredSetbuilder.add(className);
                }
            }
            setOfAllBeanClasses = filteredSetbuilder.build();
        }
        WeldBeanDeploymentArchive syntheticBeanArchive = new WeldBeanDeploymentArchive(WeldDeployment.SYNTHETIC_BDA_ID, setOfAllBeanClasses, null, buildSyntheticBeansXml(), Collections.emptySet(), ImmutableSet.copyOf(beanClasses));
        beanDeploymentArchives.add(syntheticBeanArchive);
    }
    if (beanDeploymentArchives.isEmpty() && this.containerLifecycleObservers.isEmpty() && this.extensions.isEmpty()) {
        throw WeldSELogger.LOG.weldContainerCannotBeInitializedNoBeanArchivesFound();
    }
    Multimap<String, BeanDeploymentArchive> problems = BeanArchives.findBeanClassesDeployedInMultipleBeanArchives(beanDeploymentArchives);
    if (!problems.isEmpty()) {
        // Right now, we only log a warning for each bean class deployed in multiple bean archives
        for (Entry<String, Collection<BeanDeploymentArchive>> entry : problems.entrySet()) {
            WeldSELogger.LOG.beanClassDeployedInMultipleBeanArchives(entry.getKey(), WeldCollections.toMultiRowString(entry.getValue()));
        }
    }
    if (isEnabled(ARCHIVE_ISOLATION_SYSTEM_PROPERTY, true)) {
        deployment = new WeldDeployment(resourceLoader, bootstrap, beanDeploymentArchives, extensions);
        CommonLogger.LOG.archiveIsolationEnabled();
    } else {
        Set<WeldBeanDeploymentArchive> flatDeployment = new HashSet<WeldBeanDeploymentArchive>();
        flatDeployment.add(WeldBeanDeploymentArchive.merge(bootstrap, beanDeploymentArchives));
        deployment = new WeldDeployment(resourceLoader, bootstrap, flatDeployment, extensions);
        CommonLogger.LOG.archiveIsolationDisabled();
    }
    // Register additional services if a service with higher priority not present
    for (Entry<Class<? extends Service>, Service> entry : additionalServices.entrySet()) {
        Services.put(deployment.getServices(), entry.getKey(), entry.getValue());
    }
    return deployment;
}