diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java new file mode 100644 index 0000000000..081a3a60c0 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java @@ -0,0 +1,163 @@ +/* + * 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.osgi.remoteserviceadmin.impl; + +import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.EndpointHelper.createEndpointDescription; +import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.OSGiHelper.createOSGiProperty; +import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.OSGiHelper.getFrameworkUUID; +import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.OSGiHelper.getOSGiProperties; +import static org.osgi.framework.Constants.SERVICE_ID; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_FRAMEWORK_UUID; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_SERVICE_ID; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.implementation.osgi.OSGiProperty; +import org.apache.tuscany.sca.implementation.osgi.SCAConfig; +import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptionsFactory; +import org.apache.tuscany.sca.node.configuration.NodeConfiguration; +import org.apache.tuscany.sca.node.impl.NodeImpl; +import org.osgi.framework.BundleContext; +import org.osgi.framework.ServiceReference; +import org.osgi.service.remoteserviceadmin.EndpointDescription; +import org.osgi.service.remoteserviceadmin.ExportRegistration; +import org.osgi.util.tracker.ServiceTrackerCustomizer; + +/** + * Watching and exporting OSGi services + */ +public class OSGiServiceExporter extends AbstractOSGiServiceHandler implements ServiceTrackerCustomizer { + private final static Logger logger = Logger.getLogger(OSGiServiceExporter.class.getName()); + + private Map<EndpointDescription, ExportReferenceImpl> exportReferences = + new ConcurrentHashMap<EndpointDescription, ExportReferenceImpl>(); + + /** + * @param context + * @param clazz + * @param customizer + */ + public OSGiServiceExporter(BundleContext context) { + super(context); + } + + public void start() { + init(); + } + + public void stop() { + exportReferences.clear(); + super.stop(); + } + + public Object addingService(ServiceReference reference) { + return exportService(reference, null); + } + + public List<ExportRegistration> exportService(ServiceReference reference, Map<String, Object> properties) { + // FIXME: [rfeng] We need to check if a corresponding endpoint has been exported + try { + Contribution contribution = introspector.introspect(reference, properties); + if (contribution != null) { + + NodeConfiguration configuration = nodeFactory.createNodeConfiguration(); + if (domainRegistry != null) { + configuration.setDomainRegistryURI(domainRegistry); + } + if (domainURI != null) { + configuration.setDomainURI(domainURI); + } + configuration.setURI(contribution.getURI()); + // configuration.getExtensions().add(reference.getBundle()); + Component component = contribution.getDeployables().get(0).getComponents().get(0); + ComponentService service = component.getServices().get(0); + service.getExtensions().addAll(getOSGiProperties(registry, reference)); + service.getExtensions().add(createOSGiProperty(registry, + ENDPOINT_FRAMEWORK_UUID, + getFrameworkUUID(reference.getBundle() + .getBundleContext()))); + service.getExtensions().add(createOSGiProperty(registry, ENDPOINT_SERVICE_ID, reference + .getProperty(SERVICE_ID))); + + // create the org.osgi.sca.config.xml property + service.getExtensions().add(createSCAConfigXMLProperty(reference, properties, service)); + + // FIXME: Configure the domain and node URI + NodeImpl node = new NodeImpl(nodeFactory, configuration, Collections.singletonList(contribution)); + node.start(); + List<ExportRegistration> exportedServices = new ArrayList<ExportRegistration>(); + for (Endpoint endpoint : service.getEndpoints()) { + EndpointDescription endpointDescription = createEndpointDescription(context, endpoint); + synchronized (this) { + ExportReferenceImpl exportReference = exportReferences.get(endpointDescription); + if (exportReference == null) { + exportReference = new ExportReferenceImpl(node, reference, endpointDescription); + } + ExportRegistration exportRegistration = exportReference.register(); + exportedServices.add(exportRegistration); + } + } + return exportedServices; + } else { + return null; + } + } catch (Exception e) { + logger.log(Level.SEVERE, e.getMessage(), e); + ExportRegistration exportRegistration = new ExportRegistrationImpl(null, e); + return Collections.singletonList(exportRegistration); + } + } + + public void modifiedService(ServiceReference reference, Object service) { + removedService(reference, service); + exportService(reference, null); + } + + public void removedService(ServiceReference reference, Object service) { + List<ExportRegistration> exportedServices = (List<ExportRegistration>)service; + for (ExportRegistration exportRegistration : exportedServices) { + exportRegistration.close(); + } + } + + private OSGiProperty createSCAConfigXMLProperty(ServiceReference reference, Map<String, Object> props, ComponentService service){ + + // create the <sca-config> element + String scaConfigXMLString = introspector.instrospectSCAConfig(reference, props, service); + + // wrap the <sca-config> element in an <xml> element + String scaConfigXMLStringWithoutXMLHeader = scaConfigXMLString.substring(scaConfigXMLString.indexOf("><") + 1); + scaConfigXMLString = "<xml>" + scaConfigXMLStringWithoutXMLHeader + "</xml>"; + + // create and return the OSGI property + return createOSGiProperty(registry, "org.osgi.sca.config.xml", scaConfigXMLString); + } +} |