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

Example 51 with ServiceLoader

use of java.util.ServiceLoader in project hibernate-orm by hibernate.

the class ClassLoaderServiceImpl method stop.

@Override
public void stop() {
    for (ServiceLoader serviceLoader : serviceLoaders.values()) {
        // clear service loader providers
        serviceLoader.reload();
    }
    serviceLoaders.clear();
    // Avoid ClassLoader leaks
    this.aggregatedClassLoader = null;
}

Example 52 with ServiceLoader

use of java.util.ServiceLoader in project mule by mulesoft.

the class ApplicationModel method getConfigurationPropertiesProvidersFromComponents.

private List<ConfigurationPropertiesProvider> getConfigurationPropertiesProvidersFromComponents(ArtifactConfig artifactConfig, ConfigurationPropertiesResolver localResolver) {
    Map<ComponentIdentifier, ConfigurationPropertiesProviderFactory> providerFactoriesMap = new HashMap<>();
    ServiceLoader<ConfigurationPropertiesProviderFactory> providerFactories = java.util.ServiceLoader.load(ConfigurationPropertiesProviderFactory.class);
    providerFactories.forEach(service -> {
        ComponentIdentifier componentIdentifier = service.getSupportedComponentIdentifier();
        if (providerFactoriesMap.containsKey(componentIdentifier)) {
            throw new MuleRuntimeException(createStaticMessage("Multiple configuration providers for component: " + componentIdentifier));
        }
        providerFactoriesMap.put(componentIdentifier, service);
    });
    List<ConfigurationPropertiesProvider> configConfigurationPropertiesProviders = new ArrayList<>();
    artifactConfig.getConfigFiles().stream().forEach(configFile -> configFile.getConfigLines().stream().forEach(configLine -> {
        for (ConfigLine componentConfigLine : configLine.getChildren()) {
            if (componentConfigLine.getNamespace() == null) {
                continue;
            }
            ComponentIdentifier componentIdentifier = ComponentIdentifier.builder().namespace(componentConfigLine.getNamespace()).name(componentConfigLine.getIdentifier()).build();
            if (!providerFactoriesMap.containsKey(componentIdentifier)) {
                continue;
            }
            DefaultConfigurationParameters.Builder configurationParametersBuilder = DefaultConfigurationParameters.builder();
            ConfigurationParameters configurationParameters = resolveConfigurationParameters(configurationParametersBuilder, componentConfigLine, localResolver);
            ConfigurationPropertiesProvider provider = providerFactoriesMap.get(componentIdentifier).createProvider(configurationParameters, externalResourceProvider);
            if (provider instanceof Component) {
                Component providerComponent = (Component) provider;
                TypedComponentIdentifier typedComponentIdentifier = TypedComponentIdentifier.builder().type(UNKNOWN).identifier(componentIdentifier).build();
                DefaultComponentLocation.DefaultLocationPart locationPart = new DefaultComponentLocation.DefaultLocationPart(componentIdentifier.getName(), of(typedComponentIdentifier), of(configFile.getFilename()), of(configLine.getLineNumber()));
                providerComponent.setAnnotations(ImmutableMap.<QName, Object>builder().put(AbstractComponent.LOCATION_KEY, new DefaultComponentLocation(of(componentIdentifier.getName()), singletonList(locationPart))).build());
            }
            configConfigurationPropertiesProviders.add(provider);
            try {
                initialiseIfNeeded(provider);
            } catch (InitialisationException e) {
                throw new MuleRuntimeException(e);
            }
        }
    }));
    return configConfigurationPropertiesProviders;
}

Example 53 with ServiceLoader

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

the class EnvironmentLoaderServiceTest method multipleServiceTest.

@Test()
public void multipleServiceTest() throws Exception {
    List<WebEnvironmentStub> environmentList = Arrays.asList(new WebEnvironmentStub(), new WebEnvironmentStub());
    ServletContext servletContext = EasyMock.mock(ServletContext.class);
    expect(servletContext.getInitParameter("shiroEnvironmentClass")).andReturn(null);
    PowerMock.mockStaticPartialStrict(ServiceLoader.class, "load");
    final ServiceLoader serviceLoader = PowerMock.createMock(ServiceLoader.class);
    EasyMock.expect(ServiceLoader.load(WebEnvironment.class)).andReturn(serviceLoader);
    EasyMock.expect(serviceLoader.iterator()).andReturn(environmentList.iterator());
    EasyMock.replay(servletContext);
    PowerMock.replayAll();
    try {
        new EnvironmentLoader().createEnvironment(servletContext);
        Assert.fail("Expected ConfigurationException to be thrown");
    } catch (ConfigurationException e) {
        assertThat(e.getMessage(), stringContainsInOrder("zero or exactly one", "shiroEnvironmentClass"));
    }
    PowerMock.verifyAll();
    EasyMock.verify(servletContext);
}

Example 54 with ServiceLoader

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

the class SaslServerAuthenticationProviders method createProviders.

/**
 * Loads server authentication providers from the classpath and configuration, and then creates
 * the SaslServerAuthenticationProviders instance.
 */
static SaslServerAuthenticationProviders createProviders(Configuration conf) {
    ServiceLoader<SaslServerAuthenticationProvider> loader = ServiceLoader.load(SaslServerAuthenticationProvider.class);
    HashMap<Byte, SaslServerAuthenticationProvider> providers = new HashMap<>();
    for (SaslServerAuthenticationProvider provider : loader) {
        addProviderIfNotExists(provider, providers);
    }
    addExtraProviders(conf, providers);
    if (LOG.isTraceEnabled()) {
        String loadedProviders = providers.values().stream().map((provider) -> provider.getClass().getName()).collect(Collectors.joining(", "));
        if (loadedProviders.isEmpty()) {
            loadedProviders = "None!";
        }
        LOG.trace("Found SaslServerAuthenticationProviders {}", loadedProviders);
    }
    // Initialize the providers once, before we get into the RPC path.
    providers.forEach((b, provider) -> {
        try {
            // Give them a copy, just to make sure there is no funny-business going on.
            provider.init(new Configuration(conf));
        } catch (IOException e) {
            LOG.error("Failed to initialize {}", provider.getClass(), e);
            throw new RuntimeException("Failed to initialize " + provider.getClass().getName(), e);
        }
    });
    return new SaslServerAuthenticationProviders(conf, providers);
}

Example 55 with ServiceLoader

use of java.util.ServiceLoader in project spring-framework by spring-projects.

the class ServiceLoaderTests method testServiceLoaderFactoryBean.

@Test
void testServiceLoaderFactoryBean() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    RootBeanDefinition bd = new RootBeanDefinition(ServiceLoaderFactoryBean.class);
    bd.getPropertyValues().add("serviceType", DocumentBuilderFactory.class.getName());
    bf.registerBeanDefinition("service", bd);
    ServiceLoader<?> serviceLoader = (ServiceLoader<?>) bf.getBean("service");
    boolean condition = serviceLoader.iterator().next() instanceof DocumentBuilderFactory;
    assertThat(condition).isTrue();
}