Examples with ServiceListener org.osgi.framework.ServiceListener used on opensource projects

Example 6 with ServiceListener

use of org.osgi.framework.ServiceListener in project felix by apache.

the class ObrProbeTabUI method init.

// ///////////////////
// Plugin elements //
// ///////////////////
private void init() throws Exception {
    this.osgiON = new ObjectName(OSGI_ON);
    ServiceListener sl = new ServiceListener() {

        public void serviceChanged(ServiceEvent event) {
            synchronized (ObrProbeTabUI.this) {
                // Ignore additional services if we already have one.
                if ((event.getType() == ServiceEvent.REGISTERED) && (m_brsRef != null)) {
                    return;
                } else // Initialize the service if we don't have one.
                if ((event.getType() == ServiceEvent.REGISTERED) && (m_brsRef == null)) {
                    initializeService();
                } else // Unget the service if it is unregistering.
                if ((event.getType() == ServiceEvent.UNREGISTERING) && event.getServiceReference().equals(m_brsRef)) {
                    m_context.ungetService(m_brsRef);
                    m_brsRef = null;
                    m_brs = null;
                    // Try to get another service.
                    initializeService();
                }
            }
        }
    };
    try {
        m_context.addServiceListener(sl, "(objectClass=" + RepositoryAdmin.class.getName() + ")");
    } catch (InvalidSyntaxException ex) {
        System.err.println("OBRPlugin: " + ex);
    }
    // Create the gui.
    createUserInterface();
    // Now try to manually initialize the shell service
    // since one might already be available.
    initializeService();
}

Example 7 with ServiceListener

use of org.osgi.framework.ServiceListener in project felix by apache.

the class EventDispatcherTest method testFireServiceEvent.

public void testFireServiceEvent() {
    final Bundle b1 = getMockBundle();
    final Bundle b2 = getMockBundle();
    final Bundle b3 = getMockBundle();
    final Bundle b4 = getMockBundle();
    final Set calledHooks = new HashSet();
    final EventHook eh1 = new EventHook() {

        public void event(ServiceEvent event, Collection contexts) {
            calledHooks.add(this);
        }
    };
    final EventHook eh2 = new EventHook() {

        public void event(ServiceEvent event, Collection contexts) {
            calledHooks.add(this);
            for (Iterator it = contexts.iterator(); it.hasNext(); ) {
                BundleContext bc = (BundleContext) it.next();
                if (bc.getBundle() == b1) {
                    it.remove();
                }
                if (bc.getBundle() == b2) {
                    it.remove();
                }
            }
        }
    };
    Logger logger = new Logger();
    ServiceRegistry registry = new ServiceRegistry(logger, null);
    registry.registerService(b4, new String[] { EventHook.class.getName() }, eh1, new Hashtable());
    registry.registerService(b4, new String[] { EventHook.class.getName() }, eh2, new Hashtable());
    // -- Set up event dispatcher
    EventDispatcher ed = new EventDispatcher(logger, registry);
    // -- Register some listeners
    final List fired = Collections.synchronizedList(new ArrayList());
    ServiceListener sl1 = new ServiceListener() {

        public void serviceChanged(ServiceEvent arg0) {
            fired.add(this);
        }
    };
    ed.addListener(b1.getBundleContext(), ServiceListener.class, sl1, null);
    ServiceListener sl2 = new ServiceListener() {

        public void serviceChanged(ServiceEvent arg0) {
            fired.add(this);
        }
    };
    ed.addListener(b2.getBundleContext(), ServiceListener.class, sl2, null);
    ServiceListener sl3 = new ServiceListener() {

        public void serviceChanged(ServiceEvent arg0) {
            fired.add(this);
        }
    };
    ed.addListener(b3.getBundleContext(), ServiceListener.class, sl3, null);
    // --- make the invocation
    ServiceReference sr = EasyMock.createNiceMock(ServiceReference.class);
    EasyMock.expect(sr.getProperty(Constants.OBJECTCLASS)).andReturn(new String[] { "java.lang.String" }).anyTimes();
    sr.isAssignableTo(b1, String.class.getName());
    EasyMock.expectLastCall().andReturn(Boolean.TRUE).anyTimes();
    sr.isAssignableTo(b2, String.class.getName());
    EasyMock.expectLastCall().andReturn(Boolean.TRUE).anyTimes();
    sr.isAssignableTo(b3, String.class.getName());
    EasyMock.expectLastCall().andReturn(Boolean.TRUE).anyTimes();
    EasyMock.replay(new Object[] { sr });
    ServiceEvent event = new ServiceEvent(ServiceEvent.REGISTERED, sr);
    assertEquals("Precondition failed", 0, fired.size());
    Felix framework = new Felix(new HashMap());
    ed.fireServiceEvent(event, null, framework);
    assertEquals(1, fired.size());
    assertSame(sl3, fired.iterator().next());
    assertEquals(2, calledHooks.size());
    assertTrue(calledHooks.contains(eh1));
    assertTrue(calledHooks.contains(eh2));
}

Example 8 with ServiceListener

use of org.osgi.framework.ServiceListener in project felix by apache.

the class ServiceTrackerTest method testTracking.

@Test
public void testTracking() throws InvalidSyntaxException {
    Bundle bundle = mock(Bundle.class);
    when(bundle.getState()).thenReturn(Bundle.ACTIVE);
    BundleContext context = Mockito.mock(BundleContext.class);
    @SuppressWarnings("unchecked") ServiceTrackerCustomizer<Runnable, Runnable> customizer = mock(ServiceTrackerCustomizer.class);
    @SuppressWarnings("unchecked") ServiceReference<Runnable> ref = mock(ServiceReference.class);
    Runnable service = mock(Runnable.class);
    when(customizer.addingService(ref)).thenReturn(service);
    Filter filter = mock(Filter.class);
    String filterString = "(objectClass=java.lang.Runnable)";
    when(context.createFilter(Mockito.eq(filterString))).thenReturn(filter);
    ServiceTracker<Runnable, Runnable> tracker = new ServiceTracker<Runnable, Runnable>(context, Runnable.class, customizer);
    tracker.open();
    ArgumentCaptor<ServiceListener> listenerCaptor = ArgumentCaptor.forClass(ServiceListener.class);
    verify(context).addServiceListener(listenerCaptor.capture(), Mockito.eq(filterString));
    ServiceListener listener = listenerCaptor.getValue();
    listener.serviceChanged(new ServiceEvent(ServiceEvent.REGISTERED, ref));
    verify(customizer).addingService(ref);
    listener.serviceChanged(new ServiceEvent(ServiceEvent.MODIFIED, ref));
    verify(customizer).modifiedService(ref, service);
    listener.serviceChanged(new ServiceEvent(ServiceEvent.UNREGISTERING, ref));
    verify(customizer).removedService(ref, service);
    tracker.close();
}

Example 9 with ServiceListener

use of org.osgi.framework.ServiceListener in project sling by apache.

the class MockBundleContextTest method testServiceListener.

@Test
public void testServiceListener() throws Exception {
    ServiceListener serviceListener = mock(ServiceListener.class);
    bundleContext.addServiceListener(serviceListener);
    // prepare test services
    String clazz1 = String.class.getName();
    Object service1 = new Object();
    bundleContext.registerService(clazz1, service1, null);
    verify(serviceListener).serviceChanged(any(ServiceEvent.class));
    bundleContext.removeServiceListener(serviceListener);
}

Example 10 with ServiceListener

use of org.osgi.framework.ServiceListener in project liferay-ide by liferay.

the class LiferayUIPlugin method start.

/**
 * (non-Javadoc)
 * @see AbstractUIPlugin#start(org.osgi.framework.
 * BundleContext )
 */
@Override
public void start(BundleContext context) throws Exception {
    super.start(context);
    _addRepository();
    _plugin = this;
    _serviceListener = new ServiceListener() {

        @Override
        public void serviceChanged(ServiceEvent event) {
            String[] objectClass = (String[]) event.getServiceReference().getProperty("objectClass");
            if (event.getType() == ServiceEvent.UNREGISTERING) {
                if (objectClass[0].equals("org.eclipse.e4.ui.workbench.IWorkbench")) {
                    IPath location = Platform.getLocation();
                    File file = new File(location.append(".metadata/.plugins/org.eclipse.e4.workbench").toOSString(), "workbench.xmi");
                    String content = FileUtil.readContents(file, true);
                    if ((content != null) && (content.indexOf("label=\"Liferay\"") != -1)) {
                        content = content.replaceFirst("label=\"Liferay\"", "label=\"Liferay Plugins\"");
                        try (InputStream ins = new ByteArrayInputStream(content.getBytes())) {
                            FileUtil.writeFile(file, ins);
                        } catch (Exception e) {
                        }
                    }
                }
            }
        }
    };
    context.addServiceListener(_serviceListener);
}