Examples with ServiceTracker org.osgi.util.tracker.ServiceTracker used on opensource projects

Example 1 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project jetty.project by eclipse.

the class JettyBootstrapActivator method start.

/* ------------------------------------------------------------ */
/**
     * Setup a new jetty Server, registers it as a service. Setup the Service
     * tracker for the jetty ContextHandlers that are in charge of deploying the
     * webapps. Setup the BundleListener that supports the extender pattern for
     * the jetty ContextHandler.
     * 
     * @param context the bundle context
     */
public void start(final BundleContext context) throws Exception {
    INSTANCE = this;
    // track other bundles and fragments attached to this bundle that we
    // should activate.
    _packageAdminServiceTracker = new PackageAdminServiceTracker(context);
    // track jetty Server instances that we should support as deployment targets
    _jettyServerServiceTracker = new ServiceTracker(context, context.createFilter("(objectclass=" + Server.class.getName() + ")"), new JettyServerServiceTracker());
    _jettyServerServiceTracker.open();
    // Create a default jetty instance right now.
    Server defaultServer = DefaultJettyAtJettyHomeHelper.startJettyAtJettyHome(context);
}

Example 2 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project jersey by jersey.

the class Activator method start.

@Override
public synchronized void start(BundleContext bundleContext) throws Exception {
    this.bc = bundleContext;
    logger.info("STARTING HTTP SERVICE BUNDLE");
    this.tracker = new ServiceTracker(this.bc, HttpService.class.getName(), null) {

        @Override
        public Object addingService(ServiceReference serviceRef) {
            httpService = (HttpService) super.addingService(serviceRef);
            registerServlets();
            return httpService;
        }

        @Override
        public void removedService(ServiceReference ref, Object service) {
            if (httpService == service) {
                unregisterServlets();
                httpService = null;
            }
            super.removedService(ref, service);
        }
    };
    this.tracker.open();
    logger.info("HTTP SERVICE BUNDLE STARTED");
}

Example 3 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project aries by apache.

the class Activator method initServiceTracker.

private ServiceTracker initServiceTracker(BundleContext context, Class<?> type, ServiceTrackerCustomizer custom) {
    ServiceTracker t = new ServiceTracker(context, type.getName(), custom);
    t.open();
    return t;
}

Example 4 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project aries by apache.

the class ConfigurationTests method testConfiguration.

@SuppressWarnings({ "rawtypes", "unchecked" })
public void testConfiguration() throws Exception {
    Bundle tb3Bundle = installBundle("tb3.jar");
    Configuration configurationA = null, configurationB = null;
    try {
        Filter filter = bundleContext.createFilter("(&(objectClass=" + CdiContainer.class.getName() + ")(service.bundleid=" + tb3Bundle.getBundleId() + "))");
        ServiceTracker<CdiContainer, CdiContainer> containerTracker = new ServiceTracker<>(bundleContext, filter, null);
        containerTracker.open();
        containerTracker.waitForService(timeout);
        ServiceReference<CdiContainer> serviceReference = containerTracker.getServiceReference();
        assertNotNull(serviceReference);
        assertEquals(CdiEvent.Type.WAITING_FOR_CONFIGURATIONS, serviceReference.getProperty(CdiConstants.CDI_CONTAINER_STATE));
        configurationA = configurationAdmin.getConfiguration("configA", "?");
        Dictionary<String, Object> properties = new Hashtable<>();
        properties.put("ports", new int[] { 12, 4567 });
        configurationA.update(properties);
        configurationB = configurationAdmin.getConfiguration("configB", "?");
        properties = new Hashtable<>();
        properties.put("color", "green");
        properties.put("ports", new int[] { 80 });
        configurationB.update(properties);
        containerTracker.close();
        filter = bundleContext.createFilter("(&(objectClass=" + CdiContainer.class.getName() + ")(service.bundleid=" + tb3Bundle.getBundleId() + ")(" + CdiConstants.CDI_CONTAINER_STATE + "=CREATED))");
        containerTracker = new ServiceTracker<>(bundleContext, filter, null);
        containerTracker.open();
        containerTracker.waitForService(timeout);
        ServiceTracker<BeanService, BeanService> stA = new ServiceTracker<BeanService, BeanService>(bundleContext, bundleContext.createFilter("(&(objectClass=org.apache.aries.cdi.test.interfaces.BeanService)(bean=A))"), null);
        stA.open(true);
        BeanService<Callable<int[]>> beanService = stA.waitForService(timeout);
        assertNotNull(beanService);
        assertEquals("blue", beanService.doSomething());
        assertArrayEquals(new int[] { 12, 4567 }, beanService.get().call());
        ServiceTracker<BeanService, BeanService> stB = new ServiceTracker<BeanService, BeanService>(bundleContext, bundleContext.createFilter("(&(objectClass=org.apache.aries.cdi.test.interfaces.BeanService)(bean=B))"), null);
        stB.open(true);
        beanService = stB.waitForService(timeout);
        assertNotNull(beanService);
        assertEquals("green", beanService.doSomething());
        assertArrayEquals(new int[] { 80 }, beanService.get().call());
    } finally {
        if (configurationA != null) {
            try {
                configurationA.delete();
            } catch (Exception e) {
            // ignore
            }
        }
        if (configurationB != null) {
            try {
                configurationB.delete();
            } catch (Exception e) {
            // ignore
            }
        }
        tb3Bundle.uninstall();
    }
}

Example 5 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project aries by apache.

the class AbstractTestCase method getServiceTracker.

ServiceTracker<CdiContainer, CdiContainer> getServiceTracker(long bundleId) throws InvalidSyntaxException {
    Filter filter = bundleContext.createFilter("(&(objectClass=" + CdiContainer.class.getName() + ")(service.bundleid=" + bundleId + ")(" + CdiConstants.CDI_CONTAINER_STATE + "=" + CdiEvent.Type.CREATED + "))");
    ServiceTracker<CdiContainer, CdiContainer> serviceTracker = new ServiceTracker<>(bundleContext, filter, null);
    serviceTracker.open();
    return serviceTracker;
}