1 files changed, 150 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC3/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java b/tags/java/sca/2.0-M3-RC3/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
new file mode 100644
index 0000000000..c6e01564db
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC3/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
@@ -0,0 +1,150 @@
+/*
+ * 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.implementation.osgi.runtime;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Hashtable;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.Extensible;
+import org.apache.tuscany.sca.core.invocation.ProxyFactory;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation;
+import org.apache.tuscany.sca.implementation.osgi.OSGiProperty;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.oasisopen.sca.ServiceRuntimeException;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleException;
+import org.osgi.framework.Constants;
+import org.osgi.framework.ServiceRegistration;
+
+/**
+ *
+ */
+public class OSGiImplementationProvider implements ImplementationProvider {
+    private RuntimeComponent component;
+    private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
+    private Bundle osgiBundle;
+    private OSGiImplementation implementation;
+
+    public OSGiImplementationProvider(RuntimeComponent component,
+                                      OSGiImplementation impl,
+                                      ProxyFactoryExtensionPoint proxyFactoryExtensionPoint) throws BundleException {
+        this.component = component;
+        this.proxyFactoryExtensionPoint = proxyFactoryExtensionPoint;
+        this.implementation = impl;
+        this.osgiBundle = impl.getBundle();
+    }
+
+    public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+        return new OSGiTargetInvoker(operation, this, service);
+    }
+
+    public void start() {
+        // First try to start the osgi bundle
+        try {
+            int state = osgiBundle.getState();
+            if ((state & Bundle.STARTING) == 0 && (state & Bundle.ACTIVE) == 0) {
+                osgiBundle.start();
+            }
+        } catch (BundleException e) {
+            throw new ServiceRuntimeException(e);
+        }
+        for (ComponentReference ref : component.getReferences()) {
+            RuntimeComponentReference reference = (RuntimeComponentReference)ref;
+            InterfaceContract interfaceContract = reference.getInterfaceContract();
+            JavaInterface javaInterface = (JavaInterface)interfaceContract.getInterface();
+            final Class<?> interfaceClass = javaInterface.getJavaClass();
+
+            final Hashtable<String, Object> osgiProps = getOSGiProperties(reference);
+            osgiProps.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
+            osgiProps.put("sca.reference", component.getURI() + "#reference(" + ref.getName() + ")");
+            osgiProps.put(OSGiProperty.OSGI_REMOTE, "true");
+            osgiProps.put(OSGiProperty.OSGI_REMOTE_CONFIGURATION_TYPE, "sca");
+            osgiProps.put(OSGiProperty.OSGI_REMOTE_INTERFACES, interfaceClass.getName());
+
+            ProxyFactory proxyService = proxyFactoryExtensionPoint.getInterfaceProxyFactory();
+            if (!interfaceClass.isInterface()) {
+                proxyService = proxyFactoryExtensionPoint.getClassProxyFactory();
+            }
+
+            for (RuntimeWire wire : reference.getRuntimeWires()) {
+                final Object proxy = proxyService.createProxy(interfaceClass, wire);
+                AccessController.doPrivileged(new PrivilegedAction<ServiceRegistration>() {
+                    public ServiceRegistration run() {
+                        return osgiBundle.getBundleContext()
+                            .registerService(interfaceClass.getName(), proxy, osgiProps);
+                    }
+                });
+            }
+
+        }
+    }
+
+    public void stop() {
+        // Do we have to unregister the services?
+        try {
+            int state = osgiBundle.getState();
+            if ((state & Bundle.STOPPING) == 0 && (state & Bundle.ACTIVE) != 0) {
+                osgiBundle.stop();
+            }
+        } catch (BundleException e) {
+            throw new ServiceRuntimeException(e);
+        }
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    /**
+     * Get all the OSGi properties from the extension list
+     * @param extensible
+     * @return
+     */
+    protected Hashtable<String, Object> getOSGiProperties(Extensible extensible) {
+        Hashtable<String, Object> props = new Hashtable<String, Object>();
+        for (Object ext : extensible.getExtensions()) {
+            if (ext instanceof OSGiProperty) {
+                OSGiProperty p = (OSGiProperty)ext;
+                props.put(p.getName(), p.getValue());
+            }
+        }
+        return props;
+    }
+
+    RuntimeComponent getComponent() {
+        return component;
+    }
+
+    OSGiImplementation getImplementation() {
+        return implementation;
+    }
+
+}