Java Code Examples for java.util.ServiceLoader#load()
The following examples show how to use
java.util.ServiceLoader#load() .
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Example 1
Source File: DeviceInputOutputFactory.java From nordpos with GNU General Public License v3.0 | 6 votes |
public static DeviceInputOutput createInstance(AppProperties props) { ServiceLoader<InputOutputInterface> pluLoader = ServiceLoader.load(InputOutputInterface.class); DeviceInputOutput m_plu = new DeviceInputOutputNull(); for (InputOutputInterface machineInterface : pluLoader) { try { m_plu = machineInterface.getDeviceIO(props.getProperty("machine.pludevice")); } catch (Exception ex) { logger.log(Level.WARNING, ex.getMessage(), ex); } } return m_plu; }
Example 2
Source File: OASFactoryResolver.java From microprofile-open-api with Apache License 2.0 | 6 votes |
private static OASFactoryResolver loadSpi(ClassLoader cl) { if (cl == null) { return null; } OASFactoryResolver instance = loadSpi(cl.getParent()); if (instance == null) { ServiceLoader<OASFactoryResolver> sl = ServiceLoader.load(OASFactoryResolver.class, cl); for (OASFactoryResolver spi : sl) { if (instance != null) { throw new IllegalStateException("Multiple OASFactoryResolver implementations found: " + spi.getClass().getName() + " and " + instance.getClass().getName()); } else { instance = spi; } } } return instance; }
Example 3
Source File: AsynchronousChannelProvider.java From hottub with GNU General Public License v2.0 | 6 votes |
private static AsynchronousChannelProvider loadProviderAsService() { ServiceLoader<AsynchronousChannelProvider> sl = ServiceLoader.load(AsynchronousChannelProvider.class, ClassLoader.getSystemClassLoader()); Iterator<AsynchronousChannelProvider> i = sl.iterator(); for (;;) { try { return (i.hasNext()) ? i.next() : null; } catch (ServiceConfigurationError sce) { if (sce.getCause() instanceof SecurityException) { // Ignore the security exception, try the next provider continue; } throw sce; } } }
Example 4
Source File: KeyStoreUtil.java From Bytecoder with Apache License 2.0 | 6 votes |
/** * Loads a security provider as a service. * * @param provName the name * @param arg optional arg * @throws IllegalArgumentException if no provider matches the name */ public static void loadProviderByName(String provName, String arg) { Provider loaded = Security.getProvider(provName); if (loaded != null) { if (arg != null) { loaded = loaded.configure(arg); Security.addProvider(loaded); } return; } for (Provider p : ServiceLoader.load(Provider.class, ClassLoader.getSystemClassLoader())) { if (p.getName().equals(provName)) { if (arg != null) { p = p.configure(arg); } Security.addProvider(p); return; } } throw new IllegalArgumentException("No provider found"); }
Example 5
Source File: RasterIngestRunner.java From geowave with Apache License 2.0 | 5 votes |
private synchronized Map<String, Landsat8BandConverterSpi> getRegisteredConverters() { if (registeredBandConverters == null) { registeredBandConverters = new HashMap<>(); final ServiceLoader<Landsat8BandConverterSpi> converters = ServiceLoader.load(Landsat8BandConverterSpi.class); final Iterator<Landsat8BandConverterSpi> it = converters.iterator(); while (it.hasNext()) { final Landsat8BandConverterSpi converter = it.next(); registeredBandConverters.put(converter.getName(), converter); } } return registeredBandConverters; }
Example 6
Source File: HadoopS3FileSystemsSchemesTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
private static void testFactory(String scheme) { ServiceLoader<FileSystemFactory> serviceLoader = ServiceLoader.load(FileSystemFactory.class); for (FileSystemFactory fs : serviceLoader) { if (scheme.equals(fs.getScheme())) { // found the matching scheme return; } } fail("No factory available for scheme " + scheme); }
Example 7
Source File: AbstractChronology.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
/** * Returns the available chronologies. * <p> * Each returned {@code Chronology} is available for use in the system. * The set of chronologies includes the system chronologies and * any chronologies provided by the application via ServiceLoader * configuration. * * @return the independent, modifiable set of the available chronology IDs, not null */ static Set<Chronology> getAvailableChronologies() { initCache(); // force initialization HashSet<Chronology> chronos = new HashSet<>(CHRONOS_BY_ID.values()); /// Add in Chronologies from the ServiceLoader configuration @SuppressWarnings("rawtypes") ServiceLoader<Chronology> loader = ServiceLoader.load(Chronology.class); for (Chronology chrono : loader) { chronos.add(chrono); } return chronos; }
Example 8
Source File: DefaultServiceDiscoveryFactory.java From katharsis-framework with Apache License 2.0 | 5 votes |
@Override public ServiceDiscovery getInstance() { ServiceLoader<ServiceDiscovery> loader = ServiceLoader.load(ServiceDiscovery.class); Iterator<ServiceDiscovery> iterator = loader.iterator(); if (iterator.hasNext()) { ServiceDiscovery discovery = iterator.next(); PreconditionUtil.assertFalse("expected unique ServiceDiscovery implementation, got: " + loader, iterator.hasNext()); return discovery; } return null; }
Example 9
Source File: AuthorizationFactoryService.java From spliceengine with GNU Affero General Public License v3.0 | 5 votes |
public static AuthorizationFactory newAuthorizationFactory(){ ServiceLoader<AuthorizationFactory> factoryService = ServiceLoader.load(AuthorizationFactory.class); Iterator<AuthorizationFactory> iter = factoryService.iterator(); if(!iter.hasNext()) throw new IllegalStateException("No AuthorizationFactory service found!"); AuthorizationFactory af = null; AuthorizationFactory currentAF = null; while (iter.hasNext()) { currentAF = (AuthorizationFactory) iter.next(); if (af == null || af.getPriority() < currentAF.getPriority()) af = currentAF; } return af; }
Example 10
Source File: AbstractAnnotationHandler.java From minnal with Apache License 2.0 | 5 votes |
public synchronized static AbstractAnnotationHandler handlerFor(Annotation annotation) { if (handlers == null) { handlers = new HashMap<Class<?>, AbstractAnnotationHandler>(); ServiceLoader<AbstractAnnotationHandler> loader = ServiceLoader.load(AbstractAnnotationHandler.class); for (AbstractAnnotationHandler handler : loader) { handlers.put(handler.getAnnotationType(), handler); } } return handlers.get(annotation.annotationType()); }
Example 11
Source File: BookService.java From Java-9-Cookbook with MIT License | 5 votes |
public static BookService getInstance(){ ServiceLoader<BookServiceProvider> sl = ServiceLoader.load(BookServiceProvider.class); Iterator<BookServiceProvider> iter = sl.iterator(); if (!iter.hasNext()) throw new RuntimeException("No service providers found!"); BookServiceProvider provider = null; while(iter.hasNext()){ provider = iter.next(); System.out.println(provider.getClass()); } return provider.getBookService(); }
Example 12
Source File: CounterServiceAsyncClient.java From dapeng-soa with Apache License 2.0 | 5 votes |
public CounterServiceAsyncClient() { this.serviceName = "com.github.dapeng.basic.api.counter.service.CounterService"; this.version = "1.0.0"; ServiceLoader<SoaConnectionPoolFactory> factories = ServiceLoader.load(SoaConnectionPoolFactory.class,getClass().getClassLoader()); this.pool = factories.iterator().next().getPool(); this.clientInfo = this.pool.registerClientInfo(serviceName,version); }
Example 13
Source File: FlowHelper.java From framework with Apache License 2.0 | 5 votes |
/** * Description: <br> * * @author 王伟<br> * @taskId <br> * @param flowName * @return <br> */ private static FlowConfig match(final String flowName) { if (serviceLoader == null) { serviceLoader = ServiceLoader.load(FlowLoader.class); } FlowConfig flowConfig = null; for (FlowLoader flowLoader : serviceLoader) { flowConfig = flowLoader.load(flowName); if (flowConfig != null) { break; } } return flowConfig; }
Example 14
Source File: CloudObjects.java From beam with Apache License 2.0 | 5 votes |
private static Map<String, CloudObjectTranslator<? extends Coder>> populateCloudObjectTranslators() { ImmutableMap.Builder<String, CloudObjectTranslator<? extends Coder>> builder = ImmutableMap.builder(); for (CoderCloudObjectTranslatorRegistrar coderRegistrar : ServiceLoader.load(CoderCloudObjectTranslatorRegistrar.class)) { builder.putAll(coderRegistrar.classNamesToTranslators()); } return builder.build(); }
Example 15
Source File: ProcessBuildData.java From kogito-runtimes with Apache License 2.0 | 5 votes |
private static List<ProcessDataEventListenerProvider> collectProviders() { ServiceLoader<ProcessDataEventListenerProvider> availableProviders = ServiceLoader.load(ProcessDataEventListenerProvider.class); List<ProcessDataEventListenerProvider> collected = new ArrayList<ProcessDataEventListenerProvider>(); try { for (ProcessDataEventListenerProvider provider : availableProviders) { collected.add(provider); } } catch (Throwable e) { logger.debug("Unable to collect process data event listeners due to {}", e.getMessage()); } return collected; }
Example 16
Source File: JavaSPITest.java From javacore with Creative Commons Attribution Share Alike 4.0 International | 4 votes |
@Test public void sayHello() { ServiceLoader<Robot> serviceLoader = ServiceLoader.load(Robot.class); System.out.println("Java SPI"); serviceLoader.forEach(Robot::sayHello); }
Example 17
Source File: AdditionalPluginLoader.java From ramus with GNU General Public License v3.0 | 4 votes |
@SuppressWarnings("unchecked") public static Iterator loadProviders(Class clazz) { ServiceLoader sl = ServiceLoader.load(clazz); return sl.iterator(); }
Example 18
Source File: ResourceLoader.java From Time4A with Apache License 2.0 | 2 votes |
@Override public <S> Iterable<S> services(Class<S> serviceInterface) { return ServiceLoader.load(serviceInterface, serviceInterface.getClassLoader()); }
Example 19
Source File: NPE.java From jdk8u60 with GNU General Public License v2.0 | votes |
void run() { ServiceLoader.load(null); }
Example 20
Source File: NPE.java From openjdk-8 with GNU General Public License v2.0 | votes |
void run() { ServiceLoader.load(null, NPE.class.getClassLoader()); }