Examples with OsgiResourceLocator org.ops4j.pax.web.resources.api.OsgiResourceLocator used on opensource projects

Example 1 with OsgiResourceLocator

use of org.ops4j.pax.web.resources.api.OsgiResourceLocator in project org.ops4j.pax.web by ops4j.

the class WebresourcesExtender method start.

@Override
public void start(BundleContext context) throws Exception {
    this.bundleContext = context;
    IndexedOsgiResourceLocator indexedRegistryService = new IndexedOsgiResourceLocator(context);
    trackerResourceLocator = new ServiceTracker<>(context, OsgiResourceLocator.class.getName(), new ServiceTrackerCustomizer<OsgiResourceLocator, OsgiResourceLocator>() {

        @Override
        public OsgiResourceLocator addingService(ServiceReference<OsgiResourceLocator> reference) {
            OsgiResourceLocator service = context.getService(reference);
            if (service != null) {
                osgiResourceLocatorServices.add(service);
                logger.info("OsgiResourceLocator-Service available from bundle '{}'.", reference.getBundle().getSymbolicName());
                fullBundleScan(service);
                return service;
            }
            return null;
        }

        @Override
        public void modifiedService(ServiceReference<OsgiResourceLocator> reference, OsgiResourceLocator service) {
        // not interesting
        }

        @Override
        public void removedService(ServiceReference<OsgiResourceLocator> reference, OsgiResourceLocator service) {
            logger.info("OsgiResourceLocator from bundle '{}' removed.", reference.getBundle().getSymbolicName());
            osgiResourceLocatorServices.remove(service);
            context.ungetService(reference);
        }
    });
    trackerResourceLocator.open();
    // register service
    Dictionary<String, Object> props = new Hashtable<>(1);
    props.put(Constants.SERVICE_RANKING, -1);
    context.registerService(OsgiResourceLocator.class, indexedRegistryService, props);
    context.addBundleListener(WebresourcesExtender.this);
}

Example 2 with OsgiResourceLocator

use of org.ops4j.pax.web.resources.api.OsgiResourceLocator in project org.ops4j.pax.web by ops4j.

the class OsgiResourceHandler method getServiceAndExecute.

/**
 * Gets a {@link OsgiResourceLocator}-service, applies the given function,
 * and ungets the service.
 *
 * @param function the function to apply against the {@link OsgiResourceLocator}
 * @return a {@link Resource}, {@link ViewResource} depending on the
 * functions or {@code null}.
 */
private <T> T getServiceAndExecute(Function<OsgiResourceLocator, T> function) {
    // hook into OSGi-Framework
    final BundleContext context = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
    // get-service, execute function, and unget-service
    ServiceReference<OsgiResourceLocator> serviceRef = context.getServiceReference(OsgiResourceLocator.class);
    T resourceQueryResult = null;
    if (serviceRef != null) {
        final OsgiResourceLocator resourceLocatorService = context.getService(serviceRef);
        if (resourceLocatorService != null) {
            resourceQueryResult = function.apply(resourceLocatorService);
        }
        context.ungetService(serviceRef);
    }
    return resourceQueryResult;
}

Example 3 with OsgiResourceLocator

use of org.ops4j.pax.web.resources.api.OsgiResourceLocator in project org.ops4j.pax.web by ops4j.

the class AbstractWarJsfResourcehandlerIntegrationTest method testResourceUnavailble.

/**
 * After a JSF thread received a resource, the bundle with the resource might be uninstalled
 * anyway. This can happen before the actual bytes are served.
 * <p>
 * <ol>
 * <li>createResource</li>
 * <li>resourcebundle uninstalled</li>
 * <li>resource.getInputStream</li>
 * </ol>
 * <p>
 * According to the spec, IOException is the only one catched later on.
 */
@Test(expected = IOException.class)
public void testResourceUnavailble() throws Exception {
    ServiceReference<OsgiResourceLocator> sr = bundleContext.getServiceReference(OsgiResourceLocator.class);
    OsgiResourceLocator resourceLocator = bundleContext.getService(sr);
    ResourceInfo resourceInfo = resourceLocator.locateResource("default/2_0/images/iceland.jpg");
    Resource resource = new OsgiResource(resourceInfo.getUrl(), null, "iceland.jpg", null, "default", "2_0", resourceInfo.getLastModified());
    // uninstall bundle
    Arrays.stream(bundleContext.getBundles()).filter(bundle -> bundle.getSymbolicName().equals("jsf-resourcehandler-resourcebundle")).findFirst().orElseThrow(() -> new AssertionError("Bundle 'jsf-resourcehandler-resourcebundle' not found")).uninstall();
    // to fast for tests, resource isn't fully gone yet
    Thread.sleep(1000);
    try {
        resource.getInputStream();
        fail("IOException expected due to missing resource!");
    } finally {
        bundleContext.ungetService(sr);
    }
}

Example 4 with OsgiResourceLocator

use of org.ops4j.pax.web.resources.api.OsgiResourceLocator in project org.ops4j.pax.web by ops4j.

the class AbstractWarJsfResourcehandlerIntegrationTest method testServiceOverride.

/**
 * The default implementation {@link IndexedOsgiResourceLocator} is
 * registered with {@link Constants#SERVICE_RANKING} of -1, so when
 * registering a new implementation, this new class must be served.
 */
@Test
public void testServiceOverride() throws Exception {
    OsgiResourceLocatorForTest expectedService = new OsgiResourceLocatorForTest();
    bundleContext.registerService(OsgiResourceLocator.class, new OsgiResourceLocatorForTest(), null);
    ServiceReference<OsgiResourceLocator> ref = bundleContext.getServiceReference(OsgiResourceLocator.class);
    if (ref != null) {
        OsgiResourceLocator service = bundleContext.getService(ref);
        if (service != null) {
            assertThat("'OsgiResourceLocatorForTest' must be found due to higher service-ranking!", service.getClass().getName(), serviceName -> expectedService.getClass().getName().equals(serviceName));
        } else {
            fail("Service could not be retrieved");
        }
    } else {
        fail("Service-Reference could not be retrieved");
    }
}