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

Example 11 with ServiceRegistration

use of org.osgi.framework.ServiceRegistration in project aries by apache.

the class ServiceRecipe method unregister.

public void unregister() {
    ServiceRegistration reg = registration.get();
    if (reg != null) {
        LOGGER.debug("Unregistering service {}", name);
        // set to null before actually unregistering the service
        if (listeners != null) {
            LOGGER.debug("Calling listeners for service unregistration");
            for (ServiceListener listener : listeners) {
                listener.unregister(service, registrationProperties);
            }
        }
        ServiceUtil.safeUnregisterService(reg);
        registration.compareAndSet(reg, null);
    }
}

Example 12 with ServiceRegistration

use of org.osgi.framework.ServiceRegistration in project aries by apache.

the class Activator method unregister.

private void unregister(ServiceReference reference, ConcurrentMap<Long, ServiceRegistration> mbeans) {
    Long id = (Long) reference.getProperty(Constants.SERVICE_ID);
    ServiceRegistration reg = mbeans.remove(id);
    if (reg != null)
        reg.unregister();
}

Example 13 with ServiceRegistration

use of org.osgi.framework.ServiceRegistration in project aries by apache.

the class ProviderBundleTrackerCustomizer method removedBundle.

@SuppressWarnings("unchecked")
public void removedBundle(Bundle bundle, BundleEvent event, Object registrations) {
    activator.unregisterProviderBundle(bundle);
    if (registrations == null)
        return;
    for (ServiceRegistration reg : (List<ServiceRegistration>) registrations) {
        reg.unregister();
        log(LogService.LOG_INFO, "Unregistered: " + reg);
    }
}

Example 14 with ServiceRegistration

use of org.osgi.framework.ServiceRegistration in project aries by apache.

the class ProviderBundleTrackerCustomizer method addingBundle.

public List<ServiceRegistration> addingBundle(final Bundle bundle, BundleEvent event) {
    log(LogService.LOG_DEBUG, "Bundle Considered for SPI providers: " + bundle.getSymbolicName());
    if (bundle.equals(spiBundle))
        // don't process the SPI bundle itself
        return null;
    List<String> providedServices = null;
    Map<String, Object> customAttributes = new HashMap<String, Object>();
    if (bundle.getHeaders().get(SpiFlyConstants.REQUIRE_CAPABILITY) != null) {
        try {
            providedServices = readServiceLoaderMediatorCapabilityMetadata(bundle, customAttributes);
        } catch (InvalidSyntaxException e) {
            log(LogService.LOG_ERROR, "Unable to read capabilities from bundle " + bundle, e);
        }
    }
    boolean fromSPIProviderHeader = false;
    String spiProviderHeader = getHeaderFromBundleOrFragment(bundle, SpiFlyConstants.SPI_PROVIDER_HEADER);
    if (providedServices == null && spiProviderHeader != null) {
        String header = spiProviderHeader.trim();
        if ("*".equals(header)) {
            providedServices = new ArrayList<String>();
        } else {
            providedServices = Arrays.asList(header.split(","));
        }
        fromSPIProviderHeader = true;
    }
    if (providedServices == null) {
        log(LogService.LOG_DEBUG, "No '" + SpiFlyConstants.SPI_PROVIDER_HEADER + "' Manifest header. Skipping bundle: " + bundle.getSymbolicName());
        return null;
    } else {
        log(LogService.LOG_INFO, "Examining bundle for SPI provider: " + bundle.getSymbolicName());
    }
    for (String svc : providedServices) {
        // Eagerly register any services that are explicitly listed, as they may not be found in META-INF/services
        activator.registerProviderBundle(svc, bundle, customAttributes);
    }
    List<URL> serviceFileURLs = new ArrayList<URL>();
    @SuppressWarnings("unchecked") Enumeration<URL> entries = bundle.findEntries(METAINF_SERVICES, "*", false);
    if (entries != null) {
        serviceFileURLs.addAll(Collections.list(entries));
    }
    Object bcp = bundle.getHeaders().get(Constants.BUNDLE_CLASSPATH);
    if (bcp instanceof String) {
        for (String entry : ((String) bcp).split(",")) {
            entry = entry.trim();
            if (entry.equals("."))
                continue;
            URL url = bundle.getResource(entry);
            if (url != null) {
                serviceFileURLs.addAll(getMetaInfServiceURLsFromJar(url));
            }
        }
    }
    final List<ServiceRegistration> registrations = new ArrayList<ServiceRegistration>();
    for (URL serviceFileURL : serviceFileURLs) {
        log(LogService.LOG_INFO, "Found SPI resource: " + serviceFileURL);
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(serviceFileURL.openStream()));
            String className = null;
            while ((className = reader.readLine()) != null) {
                try {
                    className = className.trim();
                    if (className.length() == 0)
                        // empty line
                        continue;
                    if (className.startsWith("#"))
                        // a comment
                        continue;
                    String serviceFile = serviceFileURL.toExternalForm();
                    int idx = serviceFile.lastIndexOf('/');
                    String registrationClassName = className;
                    if (serviceFile.length() > idx) {
                        registrationClassName = serviceFile.substring(idx + 1);
                    }
                    if (providedServices.size() > 0 && !providedServices.contains(registrationClassName))
                        continue;
                    final Class<?> cls = bundle.loadClass(className);
                    log(LogService.LOG_INFO, "Loaded SPI provider: " + cls);
                    final Hashtable<String, Object> properties;
                    if (fromSPIProviderHeader)
                        properties = new Hashtable<String, Object>();
                    else
                        properties = findServiceRegistrationProperties(bundle.getHeaders(), registrationClassName, className);
                    if (properties != null) {
                        properties.put(SpiFlyConstants.SERVICELOADER_MEDIATOR_PROPERTY, spiBundle.getBundleId());
                        properties.put(SpiFlyConstants.PROVIDER_IMPLCLASS_PROPERTY, cls.getName());
                        ServiceRegistration reg = null;
                        SecurityManager sm = System.getSecurityManager();
                        if (sm != null) {
                            if (bundle.hasPermission(new ServicePermission(registrationClassName, ServicePermission.REGISTER))) {
                                reg = bundle.getBundleContext().registerService(registrationClassName, new ProviderServiceFactory(cls), properties);
                            } else {
                                log(LogService.LOG_INFO, "Bundle " + bundle + " does not have the permission to register services of type: " + registrationClassName);
                            }
                        } else {
                            reg = bundle.getBundleContext().registerService(registrationClassName, new ProviderServiceFactory(cls), properties);
                        }
                        if (reg != null) {
                            registrations.add(reg);
                            log(LogService.LOG_INFO, "Registered service: " + reg);
                        }
                    }
                    activator.registerProviderBundle(registrationClassName, bundle, customAttributes);
                    log(LogService.LOG_INFO, "Registered provider: " + registrationClassName + " in bundle " + bundle.getSymbolicName());
                } catch (Exception e) {
                    log(LogService.LOG_WARNING, "Could not load SPI implementation referred from " + serviceFileURL, e);
                }
            }
        } catch (IOException e) {
            log(LogService.LOG_WARNING, "Could not read SPI metadata from " + serviceFileURL, e);
        }
    }
    return registrations;
}

Example 15 with ServiceRegistration

use of org.osgi.framework.ServiceRegistration in project aries by apache.

the class ServiceInterceptor method registerServiceEnhancer.

@SuppressWarnings({ "rawtypes", "unchecked" })
private void registerServiceEnhancer(ServiceReference reference) {
    Object actualService = ctx.getService(reference);
    if (actualService instanceof ModelInfoService) {
        ModelInfoService infoService = (ModelInfoService) actualService;
        Object serviceId = reference.getProperty(SERVICE_ID);
        Object enhancer = new ModelInfoEnhancerService(infoService);
        Dictionary properties = new Hashtable();
        Object originalDisplayName = reference.getProperty(DISPLAY_NAME);
        properties.put(DISPLAY_NAME, originalDisplayName + " [enhanced]");
        ServiceRegistration registration = ctx.registerService(ModelInfoService.class.getName(), enhancer, properties);
        registrations.put(serviceId + "", registration);
    } else {
        System.out.println("Oh dear - unexpected service " + actualService.getClass());
    }
}