Examples of org.osgi.framework.ServiceFactory

org.osgi.framework.ServiceFactory
A factory for {@link Constants#SCOPE_BUNDLE bundle scope} services. Thefactory can provide service objects customized for each bundle in the OSGi environment.
When registering a service, a {@code ServiceFactory} object can be usedinstead of a service object, so that the bundle developer can create a customized service object for each bundle that is using the service.
When a bundle {@link BundleContext#getService(ServiceReference) requests} theservice object, the framework calls the {@link #getService(Bundle,ServiceRegistration) getService} method to returna service object customized for the requesting bundle. The returned service object is cached by the Framework for subsequent calls to {@link BundleContext#getService(ServiceReference)} until the bundle releasesits use of the service.
When the bundle's use count for the service is {@link BundleContext#ungetService(ServiceReference) decremented} to zero(including the bundle stopping or the service being unregistered), the framework will call the {@link #ungetService(Bundle,ServiceRegistration,Object) ungetService}method.
{@code ServiceFactory} objects are only used by the Framework and are notmade available to other bundles in the OSGi environment. The Framework may concurrently call a {@code ServiceFactory}. @param < S> Type of Service @see BundleContext#getService(ServiceReference) @ThreadSafe @author $Id: f11fc6bee18315fb659c7987d1b66f1c9c95548a $


        final Dictionary props = new Hashtable();
        props.put(ConsoleConstants.PLUGIN_LABEL, ConsoleConstants.NAME);
        props.put(ConsoleConstants.PLUGIN_TITLE, ConsoleConstants.TITLE);
        props.put(ConsoleConstants.PLUGIN_CATEGORY, ConsoleConstants.WEB_CONSOLE_CATEGORY);
        this.pluginRegistration = btx.registerService(ConsoleConstants.INTERFACE_SERVLET, new ServiceFactory()
        {
            public void ungetService(final Bundle bundle, final ServiceRegistration registration, final Object service)
            {
                // nothing to do
            }

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    {
        final Dictionary props = new Hashtable();
        props.put(ConsoleConstants.PLUGIN_LABEL, "status-" + desc.getName());
        props.put(ConsoleConstants.PLUGIN_TITLE, desc.getTitle());
        props.put(ConsoleConstants.PLUGIN_CATEGORY, ConsoleConstants.WEB_CONSOLE_CATEGORY);
        return context.registerService(ConsoleConstants.INTERFACE_SERVLET, new ServiceFactory()
        {


            public void ungetService(final Bundle bundle, final ServiceRegistration registration, final Object service)
            {
                // nothing to do

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            return Collections.unmodifiableMap(appenders);
        }
    }


    private void registerWebConsoleSupport() {
        final ServiceFactory serviceFactory = new PluginServiceFactory();


        Properties pluginProps = new Properties();
        pluginProps.put(Constants.SERVICE_VENDOR, "Apache Software Foundation");
        pluginProps.put(Constants.SERVICE_DESCRIPTION, "Sling Log Support");
        pluginProps.put("felix.webconsole.label", APP_ROOT);

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        props.put(Constants.SERVICE_DESCRIPTION, "Sling Log Reset Event Handler");
        props.put("event.topics", new String[] {
            RESET_EVENT_TOPIC
        });


        registrations.add(bundleContext.registerService("org.osgi.service.event.EventHandler", new ServiceFactory() {
            private Object instance;


            @Override
            public Object getService(Bundle bundle, ServiceRegistration serviceRegistration) {
                synchronized (this) {

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     */
    protected final ServiceRegistration registerService() {
        final Dictionary<String, Object> props = getServiceRegistrationProperties();
        final String[] interfaces = getServiceRegistrationInterfaces();


        return componentContext.getBundleContext().registerService(interfaces, new ServiceFactory() {
            public Object getService(Bundle bundle, ServiceRegistration registration) {
                return SlingRepositoryProxyHandler.createProxy(interfaces, AbstractSlingRepository.this, bundle);
            }


            public void ungetService(Bundle bundle, ServiceRegistration registration, Object service) {

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        Thread.setDefaultUncaughtExceptionHandler(this);


        // install thread handler shell command
        register(bundleContext,
            new String[] { "org.apache.felix.shell.Command" },
            new ServiceFactory() {


                public void ungetService(final Bundle bundle,
                    final ServiceRegistration reg,
                    final Object consoleObject) {
                    // nothing to do

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            serviceProps.put(Constants.SERVICE_DESCRIPTION, localContext.getProperties().get(Constants.SERVICE_DESCRIPTION));


            local.commonFactory = new CommonResourceResolverFactoryImpl(this);
            local.commonFactory.activate(localContext.getBundleContext());
            local.factoryRegistration = localContext.getBundleContext().registerService(
                ResourceResolverFactory.class.getName(), new ServiceFactory() {


                    public Object getService(final Bundle bundle, final ServiceRegistration registration) {
                        final ResourceResolverFactoryImpl r = new ResourceResolverFactoryImpl(
                                local.commonFactory, bundle,
                            ResourceResolverFactoryActivator.this.serviceUserMapper);

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     */
    protected final ServiceRegistration registerService() {
        final Dictionary<String, Object> props = getServiceRegistrationProperties();
        final String[] interfaces = getServiceRegistrationInterfaces();


        return bundleContext.registerService(interfaces, new ServiceFactory() {
            public Object getService(Bundle bundle, ServiceRegistration registration) {
                return AbstractSlingRepositoryManager.this.create(bundle);
            }


            public void ungetService(Bundle bundle, ServiceRegistration registration, Object service) {

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    private void activate(BundleContext context,Map<String, Object> config) {
        Properties p = new Properties();
        p.setProperty("filter.scope","REQUEST");
        //The MDC Filter might be running in a non Sling container. Hence to avoid
        //direct dependency on Sling we use a ServiceFactory
        filterReg = context.registerService(Filter.class.getName(),new ServiceFactory() {
            private Object instance;


            public synchronized Object getService(Bundle bundle, ServiceRegistration serviceRegistration) {
                if(instance == null){
                    instance = new SlingMDCFilter();

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            this.ftpServer = ftpServer;
        } catch (FtpException e) {
            log.error("Cannot start FTP Server", e);
        }


        this.webConsolePlugin = bundleContext.registerService("javax.servlet.Servlet", new ServiceFactory() {


            public Object getService(Bundle bundle, ServiceRegistration registration) {
                final WebConsoleFtpLet tmp = new WebConsoleFtpLet();
                wcPlugin.setDelegatee(tmp);
                return tmp;

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