1 files changed, 117 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java b/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java
new file mode 100644
index 0000000000..2577a68808
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC1/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/service/discovery/impl/DomainDiscoveryService.java
@@ -0,0 +1,117 @@
+/*
+ * 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.service.discovery.impl;
+
+import static org.apache.tuscany.sca.osgi.remoteserviceadmin.impl.EndpointHelper.createEndpointDescription;
+
+import java.util.Dictionary;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation;
+import org.apache.tuscany.sca.osgi.remoteserviceadmin.EndpointDescription;
+import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
+import org.apache.tuscany.sca.runtime.EndpointListener;
+import org.osgi.framework.BundleContext;
+
+/**
+ * Discovery service based on the distributed SCA domain
+ */
+public class DomainDiscoveryService extends AbstractDiscoveryService implements EndpointListener {
+    private DomainRegistryFactory domainRegistryFactory;
+
+    public DomainDiscoveryService(BundleContext context) {
+        super(context);
+    }
+
+    public void start() {
+        super.start();
+        getExtensionPointRegistry();
+        this.domainRegistryFactory =
+            registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(DomainRegistryFactory.class);
+        domainRegistryFactory.addListener(this);
+    }
+
+    public void endpointAdded(Endpoint endpoint) {
+        Implementation impl = endpoint.getComponent().getImplementation();
+        if (!(impl instanceof OSGiImplementation)) {
+            return;
+        }
+
+        OSGiImplementation osgiImpl = (OSGiImplementation)impl;
+        BundleContext bundleContext = osgiImpl.getBundle().getBundleContext();
+
+        /*
+        if (!endpoint.isRemote()) {
+            Interface intf = endpoint.getService().getInterfaceContract().getInterface();
+            JavaInterface javaInterface = (JavaInterface)intf;
+            // String filter = getOSGiFilter(provider.getOSGiProperties(service));
+            // FIXME: What is the filter?
+            String filter = "(!(sca.reference=*))";
+            // "(sca.service=" + component.getURI() + "#service-name\\(" + service.getName() + "\\))";
+            ServiceReference ref = null;
+            try {
+                ref = bundleContext.getServiceReferences(javaInterface.getName(), filter)[0];
+            } catch (InvalidSyntaxException e) {
+                // Ignore
+            }
+            if (ref != null) {
+
+            }
+        } else
+        */ 
+        {
+            // Notify the endpoint listeners
+            EndpointDescription description = createEndpointDescription(bundleContext, endpoint);
+            endpointChanged(description, ADDED);
+        }
+    }
+
+    public void endpointRemoved(Endpoint endpoint) {
+        /*
+        if (!endpoint.isRemote()) {
+            // export services
+        } else
+        */ 
+        {
+            EndpointDescription description = createEndpointDescription(context, endpoint);
+            endpointChanged(description, REMOVED);
+        }
+    }
+
+    public void endpointUpdated(Endpoint oldEndpoint, Endpoint newEndpoint) {
+        // FIXME: This is a quick and dirty way for the update
+        endpointRemoved(oldEndpoint);
+        endpointAdded(newEndpoint);
+    }
+
+    public void stop() {
+        domainRegistryFactory.removeListener(this);
+        super.stop();
+    }
+    
+    @Override
+    protected Dictionary<String, Object> getProperties() {
+        Dictionary<String, Object> props = super.getProperties();
+        props.put(SUPPORTED_PROTOCOLS, new String[] {"org.osgi.sca"});
+        return props;
+    }
+}