KernelOsgiContextClassLoaderProvider(Bundle bundle) { this.bundleClassLoader = BundleDelegatingClassLoader.createBundleClassLoaderFor(bundle); }
/** * Constructs a new <code>ExtenderConfiguration</code> instance. Locates the extender * configuration, creates an application context which will returned the extender items. * * @param bundleContext extender OSGi bundle context */ public ExtenderConfiguration(BundleContext bundleContext, Log log) { this.log = log; Bundle bundle = bundleContext.getBundle(); Properties properties = new Properties(createDefaultProperties()); Enumeration<?> enm = bundle.findEntries(EXTENDER_CFG_LOCATION, XML_PATTERN, false); if (enm == null) { log.info("No custom extender configuration detected; using defaults..."); synchronized (lock) { taskExecutor = createDefaultTaskExecutor(); shutdownTaskExecutor = createDefaultShutdownTaskExecutor(); eventMulticaster = createDefaultEventMulticaster(); contextCreator = createDefaultApplicationContextCreator(); contextEventListener = createDefaultApplicationContextListener(); } classLoader = BundleDelegatingClassLoader.createBundleClassLoaderFor(bundle); } else { String[] configs = copyEnumerationToList(enm); log.info( "Detected extender custom configurations at " + ObjectUtils.nullSafeToString(configs)); // create OSGi specific XML context ConfigurableOsgiBundleApplicationContext extenderAppCtx = new OsgiBundleXmlApplicationContext(configs); extenderAppCtx.setBundleContext(bundleContext); extenderAppCtx.refresh(); synchronized (lock) { extenderConfiguration = extenderAppCtx; // initialize beans taskExecutor = extenderConfiguration.containsBean(TASK_EXECUTOR_NAME) ? (TaskExecutor) extenderConfiguration.getBean(TASK_EXECUTOR_NAME, TaskExecutor.class) : createDefaultTaskExecutor(); shutdownTaskExecutor = extenderConfiguration.containsBean(SHUTDOWN_TASK_EXECUTOR_NAME) ? (TaskExecutor) extenderConfiguration.getBean(SHUTDOWN_TASK_EXECUTOR_NAME, TaskExecutor.class) : createDefaultShutdownTaskExecutor(); eventMulticaster = extenderConfiguration.containsBean(APPLICATION_EVENT_MULTICASTER_BEAN_NAME) ? (OsgiBundleApplicationContextEventMulticaster) extenderConfiguration.getBean( APPLICATION_EVENT_MULTICASTER_BEAN_NAME, OsgiBundleApplicationContextEventMulticaster.class) : createDefaultEventMulticaster(); contextCreator = extenderConfiguration.containsBean(CONTEXT_CREATOR_NAME) ? (OsgiApplicationContextCreator) extenderConfiguration.getBean( CONTEXT_CREATOR_NAME, OsgiApplicationContextCreator.class) : createDefaultApplicationContextCreator(); contextEventListener = extenderConfiguration.containsBean(CONTEXT_LISTENER_NAME) ? (OsgiBundleApplicationContextListener) extenderConfiguration.getBean( CONTEXT_LISTENER_NAME, OsgiBundleApplicationContextListener.class) : createDefaultApplicationContextListener(); } // get post processors postProcessors.addAll( extenderConfiguration.getBeansOfType(OsgiBeanFactoryPostProcessor.class).values()); // get dependency factories dependencyFactories.addAll( extenderConfiguration.getBeansOfType(OsgiServiceDependencyFactory.class).values()); classLoader = extenderConfiguration.getClassLoader(); // extender properties using the defaults as backup if (extenderConfiguration.containsBean(PROPERTIES_NAME)) { Properties customProperties = (Properties) extenderConfiguration.getBean(PROPERTIES_NAME, Properties.class); Enumeration<?> propertyKey = customProperties.propertyNames(); while (propertyKey.hasMoreElements()) { String property = (String) propertyKey.nextElement(); properties.setProperty(property, customProperties.getProperty(property)); } } } synchronized (lock) { shutdownWaitTime = getShutdownWaitTime(properties); dependencyWaitTime = getDependencyWaitTime(properties); processAnnotation = getProcessAnnotations(properties); } // load default dependency factories addDefaultDependencyFactories(); // allow post processing contextCreator = postProcess(contextCreator); }