Examples of org.osgi.framework.BundleContext

org.osgi.framework.BundleContext
A bundle's execution context within the Framework. The context is used to grant access to other methods so that this bundle can interact with the Framework.
{@code BundleContext} methods allow a bundle to:
- Subscribe to events published by the Framework.
- Register service objects with the Framework service registry.
- Retrieve {@code ServiceReferences} from the Framework service registry.
- Get and release service objects for a referenced service.
- Install new bundles in the Framework.
- Get the list of bundles installed in the Framework.
- Get the {@link Bundle} object for a bundle.
- Create {@code File} objects for files in a persistent storage areaprovided for the bundle by the Framework.
A {@code BundleContext} object will be created for a bundle when the bundleis started. The {@code Bundle} object associated with a {@code BundleContext}object is called the context bundle.
The {@code BundleContext} object will be passed to the{@link BundleActivator#start(BundleContext)} method during activation of thecontext bundle. The same {@code BundleContext} object will be passed to the{@link BundleActivator#stop(BundleContext)} method when the context bundle isstopped. A {@code BundleContext} object is generally for the private use ofits associated bundle and is not meant to be shared with other bundles in the OSGi environment.
The {@code BundleContext} object is only valid during the execution of itscontext bundle; that is, during the period from when the context bundle is in the {@code STARTING}, {@code STOPPING}, and {@code ACTIVE} bundle states.However, the {@code BundleContext} object becomes invalid after{@link BundleActivator#stop(BundleContext)} returns (if the bundle has aBundle Activator). The {@code BundleContext} object becomes invalid beforedisposing of any remaining registered services and releasing any remaining services in use. Since those activities can result in other bundles being called (for example, {@link ServiceListener}s for {@link ServiceEvent#UNREGISTERING} events and {@link ServiceFactory}s for unget operations), those other bundles can observe the stopping bundle in the {@code STOPPING} state but with an invalid {@code BundleContext} object. Ifthe {@code BundleContext} object is used after it has become invalid, an{@code IllegalStateException} must be thrown. The {@code BundleContext}object must never be reused after its context bundle is stopped.
Two {@code BundleContext} objects are equal if they both refer to the sameexecution context of a bundle. The Framework is the only entity that can create {@code BundleContext} objects and they are only valid within theFramework that created them.
A {@link Bundle} can be {@link Bundle#adapt(Class) adapted} to its{@code BundleContext}. In order for this to succeed, the caller must have the appropriate {@code AdminPermission[bundle,CONTEXT]} if the Java RuntimeEnvironment supports permissions. @ThreadSafe @author $Id: fbf0b18296a0b85d628ee8c47d0f0f213a914e48 $

            } catch (Exception e) {
                logger.logError("Unable to instantiate build listener: " + elem.getAttribute("name"), e);
            }
        }


        BundleContext context = FrameworkUtil.getBundle(BuildListeners.class).getBundleContext();


        listenerTracker = new ServiceTracker(context, BuildListener.class.getName(), null);
        listenerTracker.open();
    }

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            protected ThreadInvocationCounter initialValue() {
                return new ThreadInvocationCounter(maxRecursionDepth);
            }
        };


        BundleContext bundleContext = ctx.getBundleContext();
        this.queue = new ReferenceQueue<Object>();
        this.disposalCallbacks = new ConcurrentHashMap<java.lang.ref.Reference<Object>, DisposalCallbackRegistryImpl>();
        Hashtable<Object, Object> properties = new Hashtable<Object, Object>();
        properties.put(Constants.SERVICE_VENDOR, "Apache Software Foundation");
        properties.put(Constants.SERVICE_DESCRIPTION, "Sling Models OSGi Service Disposal Job");
        properties.put("scheduler.concurrent", false);
        properties.put("scheduler.period", Long.valueOf(30));


        this.jobRegistration = bundleContext.registerService(Runnable.class.getName(), this, properties);


        this.listener = new ModelPackageBundleListener(ctx.getBundleContext(), this, this.adapterImplementations);


        Hashtable<Object, Object> printerProps = new Hashtable<Object, Object>();
        printerProps.put(Constants.SERVICE_VENDOR, "Apache Software Foundation");
        printerProps.put(Constants.SERVICE_DESCRIPTION, "Sling Models Configuration Printer");
        printerProps.put("felix.webconsole.label", "slingmodels");
        printerProps.put("felix.webconsole.title", "Sling Models");
        printerProps.put("felix.webconsole.configprinter.modes", "always");


        this.configPrinterRegistration = bundleContext.registerService(Object.class.getName(),
                new ModelConfigurationPrinter(this), printerProps);
    }

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    @Test
    public void test() {
        AdaptableTest sampleObject = new AdaptableTest();
        assertNull(sampleObject.adaptTo(String.class));


        BundleContext bundleContext = MockOsgi.newBundleContext();
        MockSling.setAdapterManagerBundleContext(bundleContext);


        bundleContext.registerService(AdapterFactory.class.getName(), new AdapterFactory() {
            @SuppressWarnings("unchecked")
            @Override
            public <AdapterType> AdapterType getAdapter(final Object adaptable, final Class<AdapterType> type) {
                if (adaptable instanceof AdaptableTest && type.isAssignableFrom(String.class)) {
                    return (AdapterType) ((AdaptableTest) adaptable).toString();

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     */
    private void register(final ServiceReference serviceReference) {
        final SlingPostOperation service = (SlingPostOperation) this.bundleContext.getService(serviceReference);
        final PostOperationProxy proxy = new PostOperationProxy(service);


        final BundleContext bundleContext = serviceReference.getBundle().getBundleContext();
        final Dictionary<String, Object> props = copyServiceProperties(serviceReference);
        final ServiceRegistration reg = bundleContext.registerService(
            PostOperation.SERVICE_NAME, proxy, props);


        log.debug("Registering {}", proxy);
        synchronized (this.proxies) {
            this.proxies.put(serviceReference, reg);

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    }


    @Override
    public EmbeddedArtifact loadToolingSupportBundle() {


        BundleContext bundleContext = context.getBundleContext();


        String version = "1.0.0"; // TODO - remove version hardcoding
        String artifactId = "org.apache.sling.tooling.support.install";
        String extension = "jar";

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    public Statement apply(final Statement base, final Description description) {
        return new Statement() {


            @Override
            public void evaluate() throws Throwable {
                final BundleContext bundleContext = Activator.getBundleContext();


                if (bundleContext == null) {
                    throw new IllegalStateException("unable to obtain a bundle context");
                }


                final ServiceReference serviceReference = bundleContext.getServiceReference(serviceClass.getName());


                if (serviceReference == null) {
                    throw new IllegalStateException("unable to get a service reference");
                }


                final Object service = bundleContext.getService(serviceReference);


                if (service == null) {
                    throw new IllegalStateException("unable to get an instance of the service");
                }


                Service.this.service = serviceClass.cast(service);


                try {
                    base.evaluate();
                } finally {
                    Service.this.service = null;
                    bundleContext.ungetService(serviceReference);
                }
            }


        };
    }

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        // configure now
        this.configure(configuration);


        // other predefined operations
        final ArrayList<ServiceRegistration> providedServices = new ArrayList<ServiceRegistration>();
        final BundleContext bundleContext = context.getBundleContext();
        providedServices.add(registerOperation(bundleContext,
            SlingPostConstants.OPERATION_MODIFY, modifyOperation));
        providedServices.add(registerOperation(bundleContext,
            SlingPostConstants.OPERATION_COPY, new CopyOperation()));
        providedServices.add(registerOperation(bundleContext,

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        return b;
    }
    
    @Test
    public void testInactiveBundles() throws Exception {
        final BundleContext ctx = Mockito.mock(BundleContext.class);
        final Bundle [] bundles = { 
                mockBundle(false, true), 
                mockBundle(false, false), 
                mockBundle(false, true),
                mockBundle(true, false)
        };
        Mockito.when(ctx.getBundles()).thenReturn(bundles);
        
        final FormattingResultLog resultLog = new FormattingResultLog();
        final OsgiScriptBindingsProvider.OsgiBinding b = new OsgiScriptBindingsProvider.OsgiBinding(ctx, resultLog);
        assertEquals(1, b.inactiveBundlesCount());
    }

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    private final List<Event> events = Collections.synchronizedList(new ArrayList<Event>());


    @SuppressWarnings("unchecked")
    @Before
    public void setup() throws Exception {
        final BundleContext bc = Mockito.mock(BundleContext.class);
        Mockito.when(bc.registerService(Mockito.any(String[].class),
                Mockito.any(),
                Mockito.any(Dictionary.class))).thenReturn(null);


        final SlingSettingsService otherSettings = Mockito.mock(SlingSettingsService.class);
        Mockito.when(otherSettings.getSlingId()).thenReturn(OTHER_APP_ID);

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    }


    private void initMocks(String path, String[] operations){
        serviceReference = mock(ServiceReference.class);
        Bundle bundle = mock(Bundle.class);
        BundleContext bundleContext = mock(BundleContext.class);
        resourceAccessGate = mock(ResourceAccessGate.class);


        when(serviceReference.getBundle()).thenReturn(bundle);
        when(bundle.getBundleContext()).thenReturn(bundleContext);
        when(bundleContext.getService(serviceReference)).thenReturn(resourceAccessGate);


        when(serviceReference.getProperty(ResourceAccessGate.PATH)).thenReturn(path);
        when(serviceReference.getProperty(ResourceAccessGate.OPERATIONS)).thenReturn(operations);


        ((ProviderResourceAccessSecurityImpl) resourceAccessSecurity).bindResourceAccessGate(serviceReference);

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