1 files changed, 129 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceImporter.java b/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceImporter.java
new file mode 100644
index 0000000000..582adb22ef
--- /dev/null
+++ b/branches/sca-java-2.0-M4/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/OSGiServiceImporter.java
@@ -0,0 +1,129 @@
+/*
+ * 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 java.util.Collections;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.LifeCycleListener;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.NodeFactory;
+import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
+import org.apache.tuscany.sca.node.impl.NodeFactoryImpl;
+import org.apache.tuscany.sca.node.impl.NodeImpl;
+import org.apache.tuscany.sca.osgi.remoteserviceadmin.EndpointDescription;
+import org.apache.tuscany.sca.osgi.remoteserviceadmin.ImportRegistration;
+import org.apache.tuscany.sca.osgi.service.discovery.impl.LocalDiscoveryService;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTracker;
+
+/**
+ * Watching and exporting OSGi services 
+ */
+public class OSGiServiceImporter implements LifeCycleListener {
+    private ExtensionPointRegistry registry;
+    private BundleContext context;
+    private NodeFactoryImpl nodeFactory;
+    private EndpointIntrospector introspector;
+    private ServiceTracker discoveryTracker;
+
+    /**
+     * @param context
+     * @param clazz
+     * @param customizer
+     */
+    public OSGiServiceImporter(BundleContext context) {
+        this.context = context;
+    }
+
+    private synchronized void init() {
+        if (nodeFactory == null) {
+            this.nodeFactory = (NodeFactoryImpl)NodeFactory.newInstance();
+            this.nodeFactory.init();
+            this.discoveryTracker = LocalDiscoveryService.getTracker(context);
+            discoveryTracker.open();
+            this.introspector = new EndpointIntrospector(context, getExtensionPointRegistry(), discoveryTracker);
+        }
+    }
+
+    public void start() {
+    }
+
+    public void stop() {
+        discoveryTracker.close();
+        discoveryTracker = null;
+        introspector = null;
+        nodeFactory = null;
+        registry = null;
+        context = null;
+    }
+
+    public ImportRegistration importService(Bundle bundle, EndpointDescription endpointDescription) {
+        init();
+        try {
+            Contribution contribution = introspector.introspect(bundle, endpointDescription);
+            if (contribution != null) {
+
+                NodeConfiguration configuration = nodeFactory.createNodeConfiguration();
+                configuration.setURI(contribution.getURI());
+                configuration.getExtensions().add(bundle);
+                // FIXME: Configure the domain and node URI
+                NodeImpl node = new NodeImpl(nodeFactory, configuration, Collections.singletonList(contribution));
+                node.start();
+
+                Component component = contribution.getDeployables().get(0).getComponents().get(0);
+                ComponentReference componentReference = component.getReferences().get(0);
+                ServiceReference serviceReference =
+                    context.getServiceReference("(sca.reference=" + component.getURI()
+                        + "#reference("
+                        + componentReference.getName()
+                        + ")");
+                return new ImportRegistrationImpl(node, serviceReference, endpointDescription);
+            } else {
+                return null;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public void unimportService(ImportRegistration importRegistration) {
+        Node node = (Node)importRegistration.getImportedService().getProperty("sca.node");
+        node.stop();
+    }
+
+    protected ExtensionPointRegistry getExtensionPointRegistry() {
+        if (registry == null) {
+            ServiceTracker tracker = new ServiceTracker(context, ExtensionPointRegistry.class.getName(), null);
+            tracker.open();
+            // tracker.waitForService(1000);
+            registry = (ExtensionPointRegistry)tracker.getService();
+            tracker.close();
+        }
+        return registry;
+    }
+
+}