import java.io.IOException;
import java.net.URL;
+import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
+import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.annotations.ReferenceCardinality;
import org.osgi.service.component.annotations.ReferencePolicy;
import org.osgi.service.http.HttpService;
import org.osgi.service.http.NamespaceException;
+import com.vaadin.osgi.resources.OsgiVaadinContributor;
+import com.vaadin.osgi.resources.OsgiVaadinResource;
import com.vaadin.osgi.resources.OsgiVaadinResources;
import com.vaadin.osgi.resources.OsgiVaadinResources.ResourceBundleInactiveException;
import com.vaadin.osgi.resources.OsgiVaadinTheme;
*/
@Component(immediate = true)
public class VaadinResourceTrackerComponent {
- private HttpService httpService;
-
- private Map<Long, String> themeToAlias = Collections
+ private final Map<Long, Delegate> resourceToRegistration = Collections
.synchronizedMap(new LinkedHashMap<>());
- private Map<Long, String> widgetsetToAlias = Collections
+ private final Map<Long, List<ServiceRegistration<? extends OsgiVaadinResource>>> contributorToRegistrations = Collections
.synchronizedMap(new LinkedHashMap<>());
+ private HttpService httpService;
@Reference(cardinality = ReferenceCardinality.MULTIPLE, service = OsgiVaadinTheme.class, policy = ReferencePolicy.DYNAMIC)
void bindTheme(ServiceReference<OsgiVaadinTheme> themeRef)
- throws ResourceBundleInactiveException, NamespaceException {
+ throws ResourceBundleInactiveException {
Bundle bundle = themeRef.getBundle();
BundleContext context = bundle.getBundleContext();
VaadinResourceService resourceService = OsgiVaadinResources
.getService();
-
+ Long serviceId = (Long) themeRef.getProperty(Constants.SERVICE_ID);
try {
- String pathPrefix = resourceService.getResourcePathPrefix();
- Long serviceId = (Long) themeRef.getProperty(Constants.SERVICE_ID);
-
- String alias = PathFormatHelper.getThemeAlias(theme.getName(),
- pathPrefix);
- String path = PathFormatHelper.getThemePath(theme.getName());
-
- httpService.registerResources(alias, path,
- new Delegate(httpService, bundle));
-
- themeToAlias.put(serviceId, alias);
+ registerTheme(resourceService, bundle, serviceId, theme);
} finally {
context.ungetService(themeRef);
}
void unbindTheme(ServiceReference<OsgiVaadinTheme> themeRef) {
Long serviceId = (Long) themeRef.getProperty(Constants.SERVICE_ID);
- String themeAlias = themeToAlias.remove(serviceId);
- if (themeAlias != null && httpService != null) {
- httpService.unregister(themeAlias);
- }
+ unregisterResource(serviceId);
}
@Reference(cardinality = ReferenceCardinality.MULTIPLE, service = OsgiVaadinWidgetset.class, policy = ReferencePolicy.DYNAMIC)
void bindWidgetset(ServiceReference<OsgiVaadinWidgetset> widgetsetRef)
- throws ResourceBundleInactiveException, NamespaceException {
+ throws ResourceBundleInactiveException {
Bundle bundle = widgetsetRef.getBundle();
BundleContext context = bundle.getBundleContext();
}
VaadinResourceService service = OsgiVaadinResources.getService();
+ Long serviceId = (Long) widgetsetRef.getProperty(Constants.SERVICE_ID);
try {
- String pathPrefix = service.getResourcePathPrefix();
-
- Long serviceId = (Long) widgetsetRef
- .getProperty(Constants.SERVICE_ID);
-
- String alias = PathFormatHelper
- .getWidgetsetAlias(widgetset.getName(), pathPrefix);
- String path = PathFormatHelper
- .getWidgetsetPath(widgetset.getName());
-
- httpService.registerResources(alias, path,
- new Delegate(httpService, bundle));
- widgetsetToAlias.put(serviceId, alias);
+ registerWidget(service, bundle, serviceId, widgetset);
} finally {
context.ungetService(widgetsetRef);
}
void unbindWidgetset(ServiceReference<OsgiVaadinWidgetset> widgetsetRef) {
Long serviceId = (Long) widgetsetRef.getProperty(Constants.SERVICE_ID);
- String widgetsetAlias = widgetsetToAlias.remove(serviceId);
- if (widgetsetAlias != null && httpService != null) {
- httpService.unregister(widgetsetAlias);
+ unregisterResource(serviceId);
+ }
+
+ @Reference(cardinality = ReferenceCardinality.MULTIPLE, service = OsgiVaadinResource.class, policy = ReferencePolicy.DYNAMIC)
+ void bindResource(ServiceReference<OsgiVaadinResource> resourceRef)
+ throws ResourceBundleInactiveException {
+ Bundle bundle = resourceRef.getBundle();
+ BundleContext context = bundle.getBundleContext();
+
+ OsgiVaadinResource resource = context.getService(resourceRef);
+ if (resource == null) {
+ return;
+ }
+
+ VaadinResourceService service = OsgiVaadinResources.getService();
+ Long serviceId = (Long) resourceRef.getProperty(Constants.SERVICE_ID);
+ try {
+ registerResource(service, bundle, serviceId, resource);
+ } finally {
+ context.ungetService(resourceRef);
+ }
+ }
+
+ void unbindResource(ServiceReference<OsgiVaadinResource> resourceRef) {
+ Long serviceId = (Long) resourceRef.getProperty(Constants.SERVICE_ID);
+ unregisterResource(serviceId);
+ }
+
+ @Reference(cardinality = ReferenceCardinality.MULTIPLE, service = OsgiVaadinContributor.class, policy = ReferencePolicy.DYNAMIC)
+ void bindContributor(ServiceReference<OsgiVaadinContributor> contributorRef)
+ throws ResourceBundleInactiveException {
+ Bundle bundle = contributorRef.getBundle();
+ BundleContext context = bundle.getBundleContext();
+
+ OsgiVaadinContributor contributor = context.getService(contributorRef);
+ if (contributor == null) {
+ return;
+ }
+ Long serviceId = (Long) contributorRef
+ .getProperty(Constants.SERVICE_ID);
+ List<OsgiVaadinResource> contributions = contributor.getContributions();
+ List<ServiceRegistration<? extends OsgiVaadinResource>> registrations = new ArrayList<>(
+ contributions.size());
+ for (final OsgiVaadinResource r : contributions) {
+ ServiceRegistration<? extends OsgiVaadinResource> reg;
+ if (r instanceof OsgiVaadinTheme) {
+ reg = context.registerService(OsgiVaadinTheme.class,
+ (OsgiVaadinTheme) r, null);
+ } else if (r instanceof OsgiVaadinWidgetset) {
+ reg = context.registerService(OsgiVaadinWidgetset.class,
+ (OsgiVaadinWidgetset) r, null);
+ } else {
+ reg = context.registerService(OsgiVaadinResource.class, r,
+ null);
+ }
+ registrations.add(reg);
+ }
+ contributorToRegistrations.put(serviceId, registrations);
+ }
+
+ void unbindContributor(
+ ServiceReference<OsgiVaadinContributor> contributorRef) {
+ Long serviceId = (Long) contributorRef
+ .getProperty(Constants.SERVICE_ID);
+ List<ServiceRegistration<? extends OsgiVaadinResource>> registrations = contributorToRegistrations
+ .get(serviceId);
+ if (registrations != null) {
+ for (ServiceRegistration<? extends OsgiVaadinResource> reg : registrations) {
+ reg.unregister();
+ }
}
}
this.httpService = null;
}
+ /**
+ *
+ * @throws NamespaceException
+ * @since
+ */
+ @Activate
+ protected void activate() throws NamespaceException {
+ for(Delegate registration : resourceToRegistration.values()) {
+ registration.init(httpService);
+ httpService.registerResources(registration.alias, registration.path, registration);
+ }
+ }
+
+ /**
+ * @since
+ */
+ @Deactivate
+ protected void deactivate() {
+ for(final Delegate registration : resourceToRegistration.values()) {
+ unregisterResource(registration);
+ }
+ for(List<ServiceRegistration<? extends OsgiVaadinResource>> registrations : contributorToRegistrations.values()) {
+ for (ServiceRegistration<? extends OsgiVaadinResource> reg : registrations) {
+ reg.unregister();
+ }
+ }
+ resourceToRegistration.clear();
+ contributorToRegistrations.clear();
+ httpService = null;
+ }
+
+ private void registerTheme(VaadinResourceService resourceService,
+ Bundle bundle, Long serviceId, OsgiVaadinTheme theme) {
+ String pathPrefix = resourceService.getResourcePathPrefix();
+
+ String alias = PathFormatHelper.getThemeAlias(theme.getName(),
+ pathPrefix);
+ String path = PathFormatHelper.getThemePath(theme.getName());
+
+ registerResource(alias, path, bundle, serviceId);
+ }
+
+ private void registerWidget(VaadinResourceService resourceService,
+ Bundle bundle, Long serviceId, OsgiVaadinWidgetset widgetset) {
+ String pathPrefix = resourceService.getResourcePathPrefix();
+
+ String alias = PathFormatHelper.getWidgetsetAlias(widgetset.getName(),
+ pathPrefix);
+ String path = PathFormatHelper.getWidgetsetPath(widgetset.getName());
+
+ registerResource(alias, path, bundle, serviceId);
+ }
+
+ private void registerResource(VaadinResourceService resourceService,
+ Bundle bundle, Long serviceId, OsgiVaadinResource resource) {
+ String pathPrefix = resourceService.getResourcePathPrefix();
+
+ String alias = PathFormatHelper.getRootResourceAlias(resource.getName(),
+ pathPrefix);
+ String path = PathFormatHelper.getRootResourcePath(resource.getName());
+
+ registerResource(alias, path, bundle, serviceId);
+ }
+
+ private void registerResource(String alias, String path, Bundle bundle,
+ Long serviceId) {
+ resourceToRegistration.put(serviceId, new Delegate(alias, path, bundle));
+ }
+
+ private void unregisterResource(Long serviceId) {
+ Delegate registration = resourceToRegistration.remove(serviceId);
+ unregisterResource(registration);
+ }
+
+ private void unregisterResource(Delegate registration) {
+ if (registration != null && httpService != null) {
+ httpService.unregister(registration.alias);
+ }
+ }
+
static final class Delegate implements HttpContext {
- private HttpContext context;
- private Bundle bundle;
+ private final String alias;
+ private final String path;
+ private final Bundle bundle;
- public Delegate(HttpService service, Bundle bundle) {
- this.context = service.createDefaultHttpContext();
+ private volatile HttpContext context;
+
+ public Delegate(String alias, String path, Bundle bundle) {
+ this.alias = alias;
+ this.path = path;
this.bundle = bundle;
}
+ public void init(HttpService service) {
+ context = service.createDefaultHttpContext();
+ }
+
@Override
public boolean handleSecurity(HttpServletRequest request,
HttpServletResponse response) throws IOException {
public String getMimeType(String name) {
return context.getMimeType(name);
}
-
}
}