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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5-RC2/modules/extensibility-equinox/src/main/java/org/apache/tuscany/sca/extensibility/equinox/OSGiExtensionPointRegistry.java | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/sca-java-2.x/tags/2.0-M5-RC2/modules/extensibility-equinox/src/main/java/org/apache/tuscany/sca/extensibility/equinox/OSGiExtensionPointRegistry.java b/sca-java-2.x/tags/2.0-M5-RC2/modules/extensibility-equinox/src/main/java/org/apache/tuscany/sca/extensibility/equinox/OSGiExtensionPointRegistry.java deleted file mode 100644 index 4b5fffff01..0000000000 --- a/sca-java-2.x/tags/2.0-M5-RC2/modules/extensibility-equinox/src/main/java/org/apache/tuscany/sca/extensibility/equinox/OSGiExtensionPointRegistry.java +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.extensibility.equinox; - -import java.util.Dictionary; -import java.util.Hashtable; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; -import org.osgi.framework.Bundle; -import org.osgi.framework.BundleContext; -import org.osgi.framework.BundleException; -import org.osgi.framework.ServiceReference; -import org.osgi.framework.ServiceRegistration; - -/** - * OSGi ServiceRegistry based extension point registry - */ -public class OSGiExtensionPointRegistry extends DefaultExtensionPointRegistry { - private Map<Class<?>, ServiceRegistration> registrations = new ConcurrentHashMap<Class<?>, ServiceRegistration>(); - private BundleContext bundleContext; - - public OSGiExtensionPointRegistry(BundleContext bundleContext) { - super(ServiceDiscovery.getInstance(new EquinoxServiceDiscoverer(bundleContext))); - this.bundleContext = bundleContext; - } - - @Override - protected void registerExtensionPoint(Class<?> extensionPointType, - Object extensionPoint, - ServiceDeclaration declaration) { - BundleContext context = bundleContext; - if (declaration instanceof EquinoxServiceDiscoverer.ServiceDeclarationImpl) { - EquinoxServiceDiscoverer.ServiceDeclarationImpl declarationImpl = - (EquinoxServiceDiscoverer.ServiceDeclarationImpl)declaration; - Bundle bundle = declarationImpl.getBundle(); - /** - * If this bundle is not in the STARTING, ACTIVE, or STOPPING states or this bundle - * is a fragment bundle, then this bundle has no valid BundleContext. This method will - * return null if this bundle has no valid BundleContext - */ - if ((bundle.getState() & (Bundle.ACTIVE | Bundle.STARTING)) == 0) { - try { - bundle.start(); - } catch (BundleException e) { - throw new IllegalStateException(e); - } - } - context = bundle.getBundleContext(); - } - Dictionary<Object, Object> props = new Hashtable<Object, Object>(); - ServiceRegistration registration = context.registerService(extensionPointType.getName(), extensionPoint, props); - registrations.put(extensionPointType, registration); - super.registerExtensionPoint(extensionPointType, extensionPoint, declaration); - } - - @Override - protected void unregisterExtensionPoint(Class<?> i) { - ServiceRegistration registration = registrations.remove(i); - if (registration != null) { - try { - registration.unregister(); - } catch (IllegalStateException e) { - // The service has been unregistered, ignore it - } - } - super.unregisterExtensionPoint(i); - } - - @Override - public synchronized void stop() { - for (ServiceRegistration reg : registrations.values()) { - try { - ServiceReference ref = reg.getReference(); - if (ref != null) { - reg.unregister(); - } - } catch (IllegalStateException e) { - // Ignore it, the service has been unregistered when the owning bundle stops - } - } - registrations.clear(); - super.stop(); - } - -} |