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

Example 21 with ServiceListener

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

the class MultiPropertyFilterIndex method serviceChanged.

public void serviceChanged(ServiceEvent event) {
    if (isApplicable(event.getServiceReference())) {
        List<MultiPropertyKey> keys = createKeys(event.getServiceReference());
        List<ServiceListener> list = new ArrayList<ServiceListener>();
        synchronized (m_keyToListenersMap) {
            for (int i = 0; i < keys.size(); i++) {
                // TODO fix
                MultiPropertyKey key = keys.get(i);
                List<ServiceListener> listeners = m_keyToListenersMap.get(key);
                if (listeners != null) {
                    list.addAll(listeners);
                }
            }
        }
        if (list != null) {
            Iterator<ServiceListener> iterator = list.iterator();
            while (iterator.hasNext()) {
                ServiceListener listener = iterator.next();
                listener.serviceChanged(event);
            }
        }
    }
}

Example 22 with ServiceListener

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

the class Activator method start.

// /////////////////////////////////////
// BundleActivator           //
// /////////////////////////////////////
public void start(BundleContext context) {
    m_context = context;
    // Listen for factory service events.
    ServiceListener sl = new ServiceListener() {

        public void serviceChanged(ServiceEvent event) {
            ServiceReference ref = event.getServiceReference();
            Object svcObj = m_context.getService(ref);
            if (event.getType() == ServiceEvent.REGISTERED) {
                synchronized (Activator.this) {
                    // !!!!!!!!!! ORDER MATTERS (Inheritance pb)
                    if (!m_pluginList.contains(svcObj)) {
                        if (svcObj instanceof CommonPlugin) {
                            m_commonpluginList.add(svcObj);
                            firePropertyChangedEvent(CommonPlugin.COMMON_PLUGIN_ADDED, null, svcObj);
                        } else if (svcObj instanceof Plugin) {
                            m_pluginList.add(svcObj);
                            firePropertyChangedEvent(Plugin.PLUGIN_ADDED, null, svcObj);
                        }
                    }
                }
            } else if (event.getType() == ServiceEvent.UNREGISTERING) {
                synchronized (Activator.this) {
                    removePropertyChangeListener((PropertyChangeListener) svcObj);
                    if (svcObj instanceof CommonPlugin) {
                        m_commonpluginList.remove(svcObj);
                        firePropertyChangedEvent(CommonPlugin.COMMON_PLUGIN_REMOVED, null, svcObj);
                    } else if (svcObj instanceof Plugin) {
                        m_pluginList.remove(svcObj);
                        firePropertyChangedEvent(Plugin.PLUGIN_REMOVED, null, svcObj);
                    }
                }
            } else {
                m_context.ungetService(ref);
            }
        }
    };
    try {
        m_context.addServiceListener(sl, "(|(objectClass=" + Plugin.class.getName() + ")(objectClass=" + CommonPlugin.class.getName() + "))");
    } catch (InvalidSyntaxException ex) {
        System.err.println("ShellGuiActivator: Cannot add service listener.");
        System.err.println("ShellGuiActivator: " + ex);
    }
    // Create and display the frame.
    if (m_frame == null) {
        m_frame = new JFrame("OSGi GUI Remote Manager");
        m_frame.setUndecorated(true);
        m_frame.getRootPane().setWindowDecorationStyle(JRootPane.FRAME);
        m_frame.setIconImage(Toolkit.getDefaultToolkit().getImage(m_context.getBundle().getResource("images/logo.gif")));
        // m_frame.setResizable(false);
        // m_frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        // TODO : add a windowListener and use a Preferences service to save screen size
        m_frame.addWindowListener(new WindowAdapter() {

            public void windowClosing(WindowEvent we) {
                JFrame jf = (JFrame) we.getWindow();
                System.out.println(" Console.gui : window closing (" + jf.getSize().height + "*" + jf.getSize().width + ")");
            }

            public void windowClosed(WindowEvent we) {
                JFrame jf = (JFrame) we.getWindow();
                System.out.println(" Console.gui : window closed (" + jf.getSize().height + "*" + jf.getSize().width + ")");
            }
        });
        Dimension maxdim = m_frame.getToolkit().getScreenSize();
        int m_width = maxdim.width - 100;
        int m_height = maxdim.height - 100;
        m_frame.setBounds((int) ((maxdim.width - m_width) / 2), 20, m_width, m_height);
        // Right panel
        JSplitPane rightSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, new NodePanel(this, context), new CommonPanel(this));
        rightSplitPane.setOneTouchExpandable(true);
        rightSplitPane.setDividerLocation((int) (m_height * 2 / 3));
        // General Panel
        this.nodesTree = new NodesTree(this, context);
        JSplitPane gSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, this.nodesTree, rightSplitPane);
        gSplitPane.setOneTouchExpandable(true);
        gSplitPane.setDividerLocation((int) (m_width / 4));
        m_frame.getContentPane().add(gSplitPane);
    }
    // Now try to manually initialize the plugin list
    // since some might already be available.
    // initializePlugins();
    m_frame.setVisible(true);
    this.nodesTree.runDiscovery();
}

Example 23 with ServiceListener

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

the class MavenTest method awaitMavenResolver.

/**
 * Invoke config admin task and await reregistration of {@link MavenResolver} service
 */
private void awaitMavenResolver(Runnable task) throws Exception {
    final CountDownLatch latch = new CountDownLatch(2);
    ServiceListener listener = new ServiceListener() {

        @Override
        public void serviceChanged(ServiceEvent event) {
            if (event.getType() == ServiceEvent.UNREGISTERING || event.getType() == ServiceEvent.REGISTERED) {
                latch.countDown();
            }
        }
    };
    bundleContext.addServiceListener(listener, "(objectClass=org.ops4j.pax.url.mvn.MavenResolver)");
    try {
        task.run();
        assertTrue(latch.await(5, TimeUnit.SECONDS));
    } finally {
        bundleContext.removeServiceListener(listener);
    }
}

Example 24 with ServiceListener

use of org.osgi.framework.ServiceListener in project fabric8 by jboss-fuse.

the class ZooKeeperClusterBootstrapImpl method cleanInternal.

private BootstrapConfiguration cleanInternal(final BundleContext syscontext, final BootstrapConfiguration bootConfig, RuntimeProperties runtimeProps) throws TimeoutException {
    LOGGER.debug("Begin clean fabric");
    try {
        Configuration zkClientCfg = null;
        Configuration zkServerCfg = null;
        Configuration[] configsSet = configAdmin.get().listConfigurations("(|(service.factoryPid=io.fabric8.zookeeper.server)(service.pid=io.fabric8.zookeeper))");
        if (configsSet != null) {
            for (Configuration cfg : configsSet) {
                // let's explicitly delete client config first
                if ("io.fabric8.zookeeper".equals(cfg.getPid())) {
                    zkClientCfg = cfg;
                }
                if ("io.fabric8.zookeeper.server".equals(cfg.getFactoryPid())) {
                    zkServerCfg = cfg;
                }
            }
        }
        File karafData = new File(data);
        // Setup the listener for unregistration of {@link BootstrapConfiguration}
        final CountDownLatch unregisterLatch = new CountDownLatch(1);
        ServiceListener listener = new ServiceListener() {

            @Override
            public void serviceChanged(ServiceEvent event) {
                if (event.getType() == ServiceEvent.UNREGISTERING) {
                    LOGGER.debug("Unregistering BootstrapConfiguration");
                    bootConfig.getComponentContext().getBundleContext().removeServiceListener(this);
                    unregisterLatch.countDown();
                }
            }
        };
        String filter = "(objectClass=" + BootstrapConfiguration.class.getName() + ")";
        // FABRIC-1052: register listener using the same bundle context that is used for listeners related to SCR
        bootConfig.getComponentContext().getBundleContext().addServiceListener(listener, filter);
        CountDownLatch unregisterLatch2 = null;
        if (syscontext.getServiceReference(CuratorComplete.class) != null) {
            unregisterLatch2 = new CountDownLatch(1);
            final CountDownLatch finalUnregisterLatch = unregisterLatch2;
            listener = new ServiceListener() {

                @Override
                public void serviceChanged(ServiceEvent event) {
                    if (event.getType() == ServiceEvent.UNREGISTERING) {
                        LOGGER.debug("Unregistering CuratorComplete");
                        bootConfig.getComponentContext().getBundleContext().removeServiceListener(this);
                        finalUnregisterLatch.countDown();
                    }
                }
            };
            bootConfig.getComponentContext().getBundleContext().addServiceListener(listener, "(objectClass=" + CuratorComplete.class.getName() + ")");
        }
        // Disable the BootstrapConfiguration component
        // ENTESB-4827: disabling BootstrapConfiguration leads to deactivation of FabricService and ProfileUrlHandler
        // and we have race condition if we're --cleaning after recently created fabric. previous fabric
        // started FabricConfigAdminBridge which scheduled CM updates for tens of PIDs - among others,
        // org.ops4j.pax.web, which leads to an attempt to reconfigure Jetty with "profile:jetty.xml"
        // and if we disable ProfileUrlHandler we may loose Jetty instance
        LOGGER.debug("Disable BootstrapConfiguration");
        ComponentContext componentContext = bootConfig.getComponentContext();
        componentContext.disableComponent(BootstrapConfiguration.COMPONENT_NAME);
        if (!unregisterLatch.await(30, TimeUnit.SECONDS))
            throw new TimeoutException("Timeout for unregistering BootstrapConfiguration service");
        if (unregisterLatch2 != null && !unregisterLatch2.await(30, TimeUnit.SECONDS))
            throw new TimeoutException("Timeout for unregistering CuratorComplete service");
        // Do the cleanup
        runtimeProps.clearRuntimeAttributes();
        cleanConfigurations(syscontext, zkClientCfg, zkServerCfg);
        cleanZookeeperDirectory(karafData);
        cleanGitDirectory(karafData);
        // Setup the registration listener for the new {@link BootstrapConfiguration}
        final CountDownLatch registerLatch = new CountDownLatch(1);
        final AtomicReference<ServiceReference<?>> sref = new AtomicReference<ServiceReference<?>>();
        listener = new ServiceListener() {

            @Override
            public void serviceChanged(ServiceEvent event) {
                if (event.getType() == ServiceEvent.REGISTERED) {
                    LOGGER.debug("Registered BootstrapConfiguration");
                    syscontext.removeServiceListener(this);
                    sref.set(event.getServiceReference());
                    registerLatch.countDown();
                }
            }
        };
        syscontext.addServiceListener(listener, "(objectClass=" + BootstrapConfiguration.class.getName() + ")");
        // Enable the {@link BootstrapConfiguration} component and await the registration of the respective service
        LOGGER.debug("Enable BootstrapConfiguration");
        componentContext.enableComponent(BootstrapConfiguration.COMPONENT_NAME);
        if (!registerLatch.await(30, TimeUnit.SECONDS))
            throw new TimeoutException("Timeout for registering BootstrapConfiguration service");
        return (BootstrapConfiguration) syscontext.getService(sref.get());
    } catch (RuntimeException rte) {
        throw rte;
    } catch (TimeoutException toe) {
        throw toe;
    } catch (Exception ex) {
        throw new FabricException("Unable to delete zookeeper configuration", ex);
    } finally {
        LOGGER.debug("End clean fabric");
    }
}

Example 25 with ServiceListener

use of org.osgi.framework.ServiceListener in project ecf by eclipse.

the class Activator method start.

/* (non-Javadoc)
	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
	 */
public void start(final BundleContext context) throws Exception {
    final ServiceReference configAdminServiceRef = context.getServiceReference(ConfigurationAdmin.class.getName());
    if (configAdminServiceRef == null) {
        System.err.println("You don't have config admin deployed. Some tests will fail that require configuration!");
        return;
    }
    final ConfigurationAdmin configAdmin = (ConfigurationAdmin) context.getService(configAdminServiceRef);
    Configuration config = configAdmin.createFactoryConfiguration(DnsSdTestHelper.ECF_DISCOVERY_DNSSD + ".locator", null);
    Dictionary properties = new Hashtable();
    properties.put(IDnsSdDiscoveryConstants.CA_SEARCH_PATH, new String[] { DnsSdTestHelper.DOMAIN });
    properties.put(IDnsSdDiscoveryConstants.CA_RESOLVER, DnsSdTestHelper.DNS_RESOLVER);
    properties.put(IDnsSdDiscoveryConstants.CA_TSIG_KEY, DnsSdTestHelper.TSIG_KEY);
    properties.put(IDnsSdDiscoveryConstants.CA_TSIG_KEY_NAME, DnsSdTestHelper.TSIG_KEY_NAME);
    config.update(properties);
    String filter = "(" + Constants.SERVICE_PID + "=" + config.getPid() + ")";
    // add the service listener
    locListener = new ServiceListener() {

        public void serviceChanged(ServiceEvent event) {
            switch(event.getType()) {
                case ServiceEvent.REGISTERED:
                    ServiceReference serviceReference = event.getServiceReference();
                    discoveryLocator = (IDiscoveryLocator) context.getService(serviceReference);
                    synchronized (locLock) {
                        locLock.notifyAll();
                    }
            }
        }
    };
    context.addServiceListener(locListener, filter);
    // try to get the service initially
    ServiceReference[] references = context.getServiceReferences(IDiscoveryLocator.class.getName(), filter);
    if (references != null) {
        for (int i = 0; i < references.length; ) {
            ServiceReference serviceReference = references[i];
            discoveryLocator = (IDiscoveryLocator) context.getService(serviceReference);
            synchronized (locLock) {
                locLock.notifyAll();
            }
        }
    }
    // advertiser
    config = configAdmin.createFactoryConfiguration(DnsSdTestHelper.ECF_DISCOVERY_DNSSD + ".advertiser", null);
    properties = new Hashtable();
    properties.put(IDnsSdDiscoveryConstants.CA_SEARCH_PATH, new String[] { DnsSdTestHelper.DOMAIN });
    properties.put(IDnsSdDiscoveryConstants.CA_RESOLVER, DnsSdTestHelper.DNS_RESOLVER);
    properties.put(IDnsSdDiscoveryConstants.CA_TSIG_KEY, DnsSdTestHelper.TSIG_KEY);
    properties.put(IDnsSdDiscoveryConstants.CA_TSIG_KEY_NAME, DnsSdTestHelper.TSIG_KEY_NAME);
    config.update(properties);
    filter = "(" + Constants.SERVICE_PID + "=" + config.getPid() + ")";
    // add the service listener
    advListener = new ServiceListener() {

        public void serviceChanged(ServiceEvent event) {
            switch(event.getType()) {
                case ServiceEvent.REGISTERED:
                    ServiceReference serviceReference = event.getServiceReference();
                    discoveryAdvertiser = (IDiscoveryAdvertiser) context.getService(serviceReference);
                    synchronized (advLock) {
                        advLock.notifyAll();
                    }
            }
        }
    };
    context.addServiceListener(advListener, filter);
    // try to get the service initially
    references = context.getServiceReferences(IDiscoveryAdvertiser.class.getName(), filter);
    if (references != null) {
        for (int i = 0; i < references.length; ) {
            ServiceReference serviceReference = references[i];
            discoveryAdvertiser = (IDiscoveryAdvertiser) context.getService(serviceReference);
            synchronized (advLock) {
                advLock.notifyAll();
            }
        }
    }
}