Examples of org.osgi.framework.BundleContext.addBundleListener()

org.osgi.framework.BundleContext.addBundleListener()
Adds the specified {@code BundleListener} object to the context bundle'slist of listeners if not already present. BundleListener objects are notified when a bundle has a lifecycle state change.
If the context bundle's list of listeners already contains a listener {@code l} such that {@code (l==listener)}, this method does nothing. @param listener The {@code BundleListener} to be added. @throws IllegalStateException If this BundleContext is no longer valid. @throws SecurityException If listener is a{@code SynchronousBundleListener} and the caller does not havethe appropriate {@code AdminPermission[context bundle,LISTENER]}, and the Java Runtime Environment supports permissions. @see BundleEvent @see BundleListener

    
    public void testBundleListener() {
        final BundleListener[] bundleListener = new BundleListener[1]; 
        
        BundleContext bc = EasyMock.createMock(BundleContext.class);
        bc.addBundleListener((BundleListener) EasyMock.anyObject());
        EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {            
            public Object answer() throws Throwable {
                bundleListener[0] = (BundleListener) EasyMock.getCurrentArguments()[0];
                return null;
            }

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    public void testCreatThenShutdown() {
        final List<String> bundleListenerRegs = new ArrayList<String>();
        
        IMocksControl control = EasyMock.createNiceControl();
        BundleContext bc = control.createMock(BundleContext.class);
        bc.addBundleListener((BundleListener) EasyMock.anyObject());
        EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {
            public Object answer() throws Throwable {
                assertTrue("Should be a LocalDiscoveryService", 
                        EasyMock.getCurrentArguments()[0] instanceof LocalDiscoveryService);
                bundleListenerRegs.add("addBundleListener");

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  {
    // So we need to cope with multiple equinox frameworks, so we can't just listen to our
    // BundleContext. Instead we add a listener to Bundle 0 of the framework bundle associated
    // with the bundle passed in.
    BundleContext ctx = b.getBundleContext().getBundle(0).getBundleContext();
    ctx.addBundleListener(this);
    ctx.addFrameworkListener(this);
  }


  private synchronized ClassLoader put(Bundle b, ClassLoader cl) 
  {

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        // passed as parameter won't work because a stopping bundle can't receive asynchronous events.
        BundleContext systemBundleContext = bundle.getBundleContext().getBundle(0).getBundleContext();
        Listener listener = new Listener(bundle);
        // Need a framework listener to intercept errors that would otherwise end up only being logged
        systemBundleContext.addFrameworkListener(listener);
        systemBundleContext.addBundleListener(listener);
        try {
            // Note: the stop method may also throw exceptions
            bundle.stop();
            listener.check();
        } finally {

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    private void setupListener(Bundle b) {
        // So we need to cope with multiple equinox frameworks, so we can't just listen to our
        // BundleContext. Instead we add a listener to Bundle 0 of the framework bundle associated
        // with the bundle passed in.
        BundleContext ctx = b.getBundleContext().getBundle(0).getBundleContext();
        ctx.addBundleListener(this);
        ctx.addFrameworkListener(this);
    }


    private synchronized ClassLoader put(Bundle b, ClassLoader cl) {
        // If the bundle is uninstalled or installed then there is no classloader so we should

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    EntryLookupControllingMockBundle aBundle = new EntryLookupControllingMockBundle(null);
    aBundle.setEntryReturnOnNextCallToGetEntry(null);
    bundleContextControl.expectAndReturn(context.getBundle(), aBundle, MockControl.ONE_OR_MORE);


    // listen for bundle events
    context.addBundleListener(null);
    bundleContextControl.setMatcher(MockControl.ALWAYS_MATCHER);
    bundleContextControl.setVoidCallable(2);


    bundleContextControl.expectAndReturn(context.registerService(new String[0], null, new Properties()),
      new MockServiceRegistration(), MockControl.ONE_OR_MORE);

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    for (Bundle bundle : bundleCtx.getBundles()) {
      if (bundle.getState() == Bundle.ACTIVE)
        registerResources(bundle);
    }


    bundleCtx.addBundleListener(this);
  }


  /**
   * OSGi callback on component inactivation.
   *

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