Examples with ServiceLoader java.util.ServiceLoader used on opensource projects

Example 56 with ServiceLoader

use of java.util.ServiceLoader in project aries by apache.

the class Util method serviceLoaderLoad.

public static <C, S> ServiceLoader<S> serviceLoaderLoad(Class<S> service, Class<C> caller) {
    if (BaseActivator.activator == null) {
        // The system is not yet initialized. We can't do anything.
        return null;
    }
    ClassLoader bundleLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {

        @Override
        public ClassLoader run() {
            return caller.getClassLoader();
        }
    });
    if (!(bundleLoader instanceof BundleReference)) {
        BaseActivator.activator.log(Level.FINE, "Classloader of consuming bundle doesn't implement BundleReference: " + bundleLoader);
        return ServiceLoader.load(service);
    }
    BundleReference bundleReference = (BundleReference) bundleLoader;
    final ClassLoader bundleClassloader = findContextClassloader(bundleReference.getBundle(), ServiceLoader.class.getName(), "load", service);
    if (bundleClassloader == null) {
        return ServiceLoader.load(service);
    }
    Thread thread = Thread.currentThread();
    return AccessController.doPrivileged(new PrivilegedAction<ServiceLoader<S>>() {

        @Override
        public ServiceLoader<S> run() {
            ClassLoader contextClassLoader = thread.getContextClassLoader();
            try {
                thread.setContextClassLoader(bundleClassloader);
                return ServiceLoader.load(service);
            } finally {
                thread.setContextClassLoader(contextClassLoader);
            }
        }
    });
}

Example 57 with ServiceLoader

use of java.util.ServiceLoader in project aries by apache.

the class Util method serviceLoaderLoad.

public static <C, S> ServiceLoader<S> serviceLoaderLoad(Class<S> service, ClassLoader specifiedClassLoader, Class<C> caller) {
    if (BaseActivator.activator == null) {
        // The system is not yet initialized. We can't do anything.
        return null;
    }
    ClassLoader bundleLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {

        @Override
        public ClassLoader run() {
            return caller.getClassLoader();
        }
    });
    if (!(bundleLoader instanceof BundleReference)) {
        BaseActivator.activator.log(Level.FINE, "Classloader of consuming bundle doesn't implement BundleReference: " + bundleLoader);
        return ServiceLoader.load(service, specifiedClassLoader);
    }
    BundleReference bundleReference = (BundleReference) bundleLoader;
    final ClassLoader bundleClassloader = findContextClassloader(bundleReference.getBundle(), ServiceLoader.class.getName(), "load", service);
    if (bundleClassloader == null) {
        return ServiceLoader.load(service, specifiedClassLoader);
    }
    return ServiceLoader.load(service, new WrapperCL(specifiedClassLoader, bundleClassloader));
}

Example 58 with ServiceLoader

use of java.util.ServiceLoader in project powermock by powermock.

the class ServiceLoaderTest method supportsMockingServiceLoader.

@Test(expected = IllegalArgumentException.class)
public void supportsMockingServiceLoader() throws Exception {
    final ServiceLoader mock = mock(ServiceLoader.class);
    doThrow(new IllegalArgumentException("something")).when(mock).reload();
    mock.reload();
}

Example 59 with ServiceLoader

use of java.util.ServiceLoader in project wildfly by wildfly.

the class WeldSubsystemAdd method performBoottime.

@Override
protected void performBoottime(final OperationContext context, ModelNode operation, Resource resource) throws OperationFailedException {
    final ModelNode model = resource.getModel();
    final boolean requireBeanDescriptor = REQUIRE_BEAN_DESCRIPTOR_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
    final boolean legacyEmptyBeansXmlTreatment = LEGACY_EMPTY_BEANS_XML_TREATMENT_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
    final boolean nonPortableMode = WeldResourceDefinition.NON_PORTABLE_MODE_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
    final boolean developmentMode = WeldResourceDefinition.DEVELOPMENT_MODE_ATTRIBUTE.resolveModelAttribute(context, model).asBoolean();
    final int threadPoolSize = WeldResourceDefinition.THREAD_POOL_SIZE_ATTRIBUTE.resolveModelAttribute(context, model).asInt(WeldExecutorServices.DEFAULT_BOUND);
    context.addStep(new AbstractDeploymentChainStep() {

        @Override
        protected void execute(DeploymentProcessorTarget processorTarget) {
            final JBossAllXmlParserRegisteringProcessor<?> jbossAllParsers = JBossAllXmlParserRegisteringProcessor.builder().addParser(WeldJBossAll10Parser.ROOT_ELEMENT, WeldJBossAllConfiguration.ATTACHMENT_KEY, WeldJBossAll10Parser.INSTANCE).addParser(WeldJBossAll11Parser.ROOT_ELEMENT, WeldJBossAllConfiguration.ATTACHMENT_KEY, WeldJBossAll11Parser.INSTANCE).build();
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.STRUCTURE, Phase.STRUCTURE_REGISTER_JBOSS_ALL_WELD, jbossAllParsers);
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_CONFIGURATION, new WeldConfigurationProcessor(requireBeanDescriptor, nonPortableMode, developmentMode, legacyEmptyBeansXmlTreatment));
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_CDI_ANNOTATIONS, new CdiAnnotationProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_CDI_BEAN_DEFINING_ANNOTATIONS, new BeanDefiningAnnotationProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_DEPLOYMENT, new BeansXmlProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_WELD_IMPLICIT_DEPLOYMENT_DETECTION, new WeldImplicitDeploymentProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.DEPENDENCIES, Phase.DEPENDENCIES_WELD, new WeldDependencyProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_WEB_INTEGRATION, new WebIntegrationProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_DEVELOPMENT_MODE, new DevelopmentModeProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_BEAN_ARCHIVE, new BeanArchiveProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_EXTERNAL_BEAN_ARCHIVE, new ExternalBeanArchiveProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_PORTABLE_EXTENSIONS, new WeldPortableExtensionProcessor());
            // TODO add processor priority to Phase
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, 0x0F10, new EarApplicationScopedObserverMethodProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.POST_MODULE, Phase.POST_MODULE_WELD_COMPONENT_INTEGRATION, new WeldComponentIntegrationProcessor());
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.INSTALL, Phase.INSTALL_WELD_DEPLOYMENT, new WeldDeploymentProcessor(checkJtsEnabled(context)));
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.INSTALL, Phase.INSTALL_WELD_BEAN_MANAGER, new WeldBeanManagerServiceProcessor());
            // note that we want to go one step before Phase.CLEANUP_EE because we use metadata that it then cleans up
            processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, Phase.CLEANUP, Phase.CLEANUP_EE - 1, new WeldDeploymentCleanupProcessor());
            // Add additional deployment processors
            ServiceLoader<DeploymentUnitProcessorProvider> processorProviders = ServiceLoader.load(DeploymentUnitProcessorProvider.class, WildFlySecurityManager.getClassLoaderPrivileged(WeldSubsystemAdd.class));
            for (DeploymentUnitProcessorProvider provider : processorProviders) {
                processorTarget.addDeploymentProcessor(WeldExtension.SUBSYSTEM_NAME, provider.getPhase(), provider.getPriority(), provider.getProcessor());
            }
        }
    }, OperationContext.Stage.RUNTIME);
    context.getServiceTarget().addService(TCCLSingletonService.SERVICE_NAME).setInstance(new TCCLSingletonService()).setInitialMode(Mode.ON_DEMAND).install();
    ServiceBuilder<?> builder = context.getServiceTarget().addService(WeldExecutorServices.SERVICE_NAME);
    final Consumer<ExecutorServices> executorServicesConsumer = builder.provides(WeldExecutorServices.SERVICE_NAME);
    builder.setInstance(new WeldExecutorServices(executorServicesConsumer, threadPoolSize));
    builder.setInitialMode(Mode.ON_DEMAND);
    builder.install();
}