1 files changed, 163 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceExporter.java b/sca-java-2.x/tags/2.0.1-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/2.0.1-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);
+    }
+}