Create M2 relese branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@759448 13f79535-47bb-0310-9956-ffa450edef68

12 files changed, 958 insertions, 0 deletions

diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/LICENSE b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/LICENSE
new file mode 100644
index 0000000000..6b0b1270ff
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/LICENSE
@@ -0,0 +1,203 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
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+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      "Contribution" shall mean any work of authorship, including
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+      to that Work or Derivative Works thereof, that is intentionally
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+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
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+      meet the following conditions:
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+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
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+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
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+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
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+      (d) If the Work includes a "NOTICE" text file as part of its
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+          of the NOTICE file are for informational purposes only and
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
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+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
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+   7. Disclaimer of Warranty. Unless required by applicable law or
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      risks associated with Your exercise of permissions under this License.
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
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+      other commercial damages or losses), even if such Contributor
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+      on Your own behalf and on Your sole responsibility, not on behalf
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diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/META-INF/MANIFEST.MF b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..c13e8abc6c
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/META-INF/MANIFEST.MF
@@ -0,0 +1,29 @@
+Manifest-Version: 1.0

+Bundle-ManifestVersion: 2

+Bundle-SymbolicName: org.apache.tuscany.sca.implementation.osgi.runtime

+Bundle-Version: 2.0.0

+Bundle-ActivationPolicy: lazy

+Bundle-Name: Apache Tuscany SCA OSGi Implementation Runtime

+Bundle-Vendor: The Apache Software Foundation

+Eclipse-LazyStart: true

+Bundle-Activator: org.apache.tuscany.sca.implementation.osgi.runtime.OSGiImplementationRuntimeActivator

+Bundle-Description: Apache Tuscany SCA OSGi Implementation

+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt

+Import-Package: org.apache.tuscany.sca.assembly;version="2.0.0",

+ org.apache.tuscany.sca.core;version="2.0.0",

+ org.apache.tuscany.sca.core.factory;version="2.0.0",

+ org.apache.tuscany.sca.core.invocation;version="2.0.0",

+ org.apache.tuscany.sca.implementation.osgi;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.java;version="2.0.0",

+ org.apache.tuscany.sca.interfacedef.util;version="2.0.0",

+ org.apache.tuscany.sca.invocation;version="2.0.0",

+ org.apache.tuscany.sca.monitor;version="2.0.0",

+ org.apache.tuscany.sca.policy;version="2.0.0",

+ org.apache.tuscany.sca.provider;version="2.0.0",

+ org.apache.tuscany.sca.runtime;version="2.0.0",

+ org.oasisopen.sca;version="2.0.0",

+ org.oasisopen.sca.annotation;version="2.0.0";resolution:=optional,

+ org.osgi.framework;version="1.4.0"

+Bundle-DocURL: http://www.apache.org/

+

diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/NOTICE b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/NOTICE
new file mode 100644
index 0000000000..25bb89c9b2
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/NOTICE
@@ -0,0 +1,6 @@
+${pom.name}
+Copyright (c) 2005 - 2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/pom.xml b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/pom.xml
new file mode 100644
index 0000000000..736daa8911
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/pom.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.
+-->
+<project>
+
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-modules</artifactId>
+        <version>2.0-M2-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>tuscany-implementation-osgi-runtime</artifactId>
+    <name>Apache Tuscany SCA OSGi Implementation Extension Runtime</name>
+
+    <packaging>jar</packaging>
+
+    <dependencies>
+
+       <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-osgi</artifactId>
+            <version>2.0-M2-SNAPSHOT</version>
+        </dependency>
+
+       <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-contribution-osgi</artifactId>
+            <version>2.0-M2-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-contribution-java</artifactId>
+            <version>2.0-M2-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.eclipse</groupId>
+            <artifactId>osgi</artifactId>
+            <version>3.4.0-v20080605-1900</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-core</artifactId>
+            <version>2.0-M2-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-interface-java</artifactId>
+            <version>2.0-M2-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.5</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+</project>
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiDistributionProvider.java b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiDistributionProvider.java
new file mode 100644
index 0000000000..ff30730c78
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiDistributionProvider.java
@@ -0,0 +1,99 @@
+/*
+ * 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.util.Collection;
+import java.util.Map;
+
+import org.osgi.framework.ServiceReference;
+
+/**
+ * Every Distribution Provider registers exactly one Service in the
+ * ServiceRegistry implementing this interface. The service is registered with
+ * extra properties identified at the beginning of this interface to denote the
+ * Distribution Provider product name, version, vendor and supported intents.
+ */
+public interface OSGiDistributionProvider {
+
+    /**
+     * Service Registration property for the name of the Distribution Provider
+     * product.
+     */
+    static final String PROP_KEY_PRODUCT_NAME = "osgi.remote.distribution.product";
+
+    /**
+     * Service Registration property for the version of the Distribution
+     * Provider product.
+     */
+    static final String PROP_KEY_PRODUCT_VERSION = "osgi.remote.distribution.product.version";
+
+    /**
+     * Service Registration property for the Distribution Provider product
+     * vendor name.
+     */
+    static final String PROP_KEY_VENDOR_NAME = "osgi.remote.distribution.vendor";
+
+    /**
+     * Service Registration property that lists the intents supported by this
+     * DistributionProvider. Value of this property is of type 
+     * Collection (<? extends String>).
+     */
+    static final String PROP_KEY_SUPPORTED_INTENTS = "osgi.remote.distribition.supported_intents";
+
+    /**
+     * @return ServiceReferences of services registered in the local Service
+     *         Registry that are proxies to remote services. If no proxies are
+     *         registered, then an empty collection is returned.
+     */
+    Collection<ServiceReference> getRemoteServices();
+
+    /**
+     * @return ServiceReferences of local services that are exposed remotely 
+     *         using this DisitributionProvider. Note that certain services may be
+     *         exposed and without being published to a discovery service. This 
+     *         API returns all the exposed services. If no services are exposed an 
+     *         empty collection is returned.
+     */
+    Collection<ServiceReference> getExposedServices();
+
+    /**
+     * Provides access to extra properties set by the DistributionProvider on
+     * endpoints, as they will appear on client side proxies given an exposed
+     * ServiceReference. 
+     * These properties are not always available on the server-side
+     * ServiceReference of the exposed
+     * service but will be on the remote client side proxy to this service.
+     * This API provides access to these extra properties from the exposing
+     * side.
+     * E.g. a service is exposed remotely, the distribution software is configured
+     * to add transactionality to the remote service. Because of this, on the 
+     * client-side proxy the property service.intents=”transactionality” is set. 
+     * However, these intents are *not* always set on the original
+     * ServiceRegistration on the server-side since on the server side the service
+     * object is a local pojo which doesn’t provide transactionality by itself.
+     * This QoS is added by the distribution.
+     * This API provides access to these extra properties from the server-side.
+     * 
+     * @param sr A ServiceReference of an exposed service.
+     * @return The map of extra properties.
+     */
+    Map<String, String> getExposedProperties(ServiceReference sr);
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
new file mode 100644
index 0000000000..ddcd49a235
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
@@ -0,0 +1,133 @@
+/*
+ * 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.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() {
+        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?
+    }
+
+    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;
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java
new file mode 100644
index 0000000000..0e4a3ef995
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java
@@ -0,0 +1,59 @@
+/*
+ * 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 org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.osgi.framework.BundleException;
+
+/**
+ * Builds a OSGi-based implementation provider from a component definition
+ *
+ * @version $Rev$ $Date$
+ */
+public class OSGiImplementationProviderFactory implements ImplementationProviderFactory<OSGiImplementation> {
+
+    private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
+
+    public OSGiImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
+        proxyFactoryExtensionPoint = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+    }
+
+    public ImplementationProvider createImplementationProvider(RuntimeComponent component,
+                                                               OSGiImplementation implementation) {
+
+        try {
+
+            return new OSGiImplementationProvider(component, implementation, proxyFactoryExtensionPoint);
+
+        } catch (BundleException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    public Class<OSGiImplementation> getModelType() {
+        return OSGiImplementation.class;
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationRuntimeActivator.java b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationRuntimeActivator.java
new file mode 100644
index 0000000000..f3d59cc513
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationRuntimeActivator.java
@@ -0,0 +1,43 @@
+/*
+ * 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 org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+/**
+ * Bundle activator to receive the BundleContext
+ */
+public class OSGiImplementationRuntimeActivator implements BundleActivator {
+    private static BundleContext bundleContext;
+
+    public void start(BundleContext context) throws Exception {
+        bundleContext = context;
+    }
+
+    public void stop(BundleContext context) throws Exception {
+        bundleContext = null;
+    }
+
+    static BundleContext getBundleContext() {
+        return bundleContext;
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java
new file mode 100644
index 0000000000..52313a84e7
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java
@@ -0,0 +1,220 @@
+/*
+ * 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.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+
+import org.apache.tuscany.sca.core.factory.InstanceWrapper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaOperation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+
+/**
+ * The Invoker looks up the corresponding OSGi service from the OSGi service registry
+ * and delegate the call to it.
+ *  
+ * @version $Rev$ $Date$
+ */
+public class OSGiTargetInvoker<T> implements Invoker {
+
+    private Operation operation;
+    protected InstanceWrapper<T> target;
+
+    private final OSGiImplementationProvider provider;
+    private final RuntimeComponent component;
+    private final RuntimeComponentService service;
+
+    public OSGiTargetInvoker(Operation operation, OSGiImplementationProvider provider, RuntimeComponentService service) {
+
+        this.operation = operation;
+        this.service = service;
+        this.provider = provider;
+        this.component = provider.getComponent();
+
+    }
+
+    private Object invokeTarget(Message msg) throws InvocationTargetException {
+
+        Operation op = msg.getOperation();
+        if (op == null) {
+            op = this.operation;
+        }
+
+        try {
+            BundleContext bundleContext = provider.getImplementation().getBundle().getBundleContext();
+            JavaInterface javaInterface = (JavaInterface)op.getInterface();
+            // 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 = bundleContext.getServiceReferences(javaInterface.getName(), filter)[0];
+            Object instance = bundleContext.getService(ref);
+            Method m = findMethod(instance.getClass(), operation);
+
+            Object ret = invokeMethod(instance, m, msg);
+
+            return ret;
+        } catch (InvocationTargetException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new InvocationTargetException(e);
+        }
+    }
+
+    protected Object invokeMethod(Object instance, Method m, Message msg) throws InvocationTargetException {
+
+        try {
+
+            Object payload = msg.getBody();
+
+            if (payload != null && !payload.getClass().isArray()) {
+                return m.invoke(instance, payload);
+            } else {
+                return m.invoke(instance, (Object[])payload);
+            }
+
+        } catch (InvocationTargetException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new InvocationTargetException(e);
+        }
+    }
+
+    public Message invoke(Message msg) {
+        try {
+            Object resp = invokeTarget(msg);
+            msg.setBody(resp);
+        } catch (InvocationTargetException e) {
+            msg.setFaultBody(e.getCause());
+        }
+        return msg;
+    }
+
+    private String getOSGiFilter(Hashtable<String, Object> props) {
+
+        String filter = "";
+
+        if (props != null && props.size() > 0) {
+            int propCount = 0;
+            for (String propName : props.keySet()) {
+                if (propName.equals("service.pid")) {
+                    continue;
+                }
+                String value = String.valueOf(props.get(propName));
+                StringBuffer buf = new StringBuffer();
+                for (char c : value.toCharArray()) {
+                    if (c == '(' || c == ')') {
+                        buf.append("\\" + c);
+                    } else {
+                        buf.append(c);
+                    }
+                }
+                filter = filter + "(" + propName + "=" + buf.toString() + ")";
+                propCount++;
+            }
+
+            if (propCount > 1) {
+                filter = "(&" + filter + ")";
+            }
+        } else {
+            filter = null;
+        }
+        return filter;
+    }
+
+    /**
+     * @Deprecated
+     */
+    private static Class<?>[] getPhysicalTypes(Operation operation) {
+        DataType<List<DataType>> inputType = operation.getInputType();
+        if (inputType == null) {
+            return new Class<?>[] {};
+        }
+        List<DataType> types = inputType.getLogical();
+        Class<?>[] javaTypes = new Class<?>[types.size()];
+        for (int i = 0; i < javaTypes.length; i++) {
+            Type physical = types.get(i).getPhysical();
+            if (physical instanceof Class<?>) {
+                javaTypes[i] = (Class<?>)physical;
+            } else {
+                throw new UnsupportedOperationException();
+            }
+        }
+        return javaTypes;
+    }
+
+    /**
+     * Return the method on the implementation class that matches the operation.
+     * 
+     * @param implClass the implementation class or interface
+     * @param operation the operation to match
+     * @return the method described by the operation
+     * @throws NoSuchMethodException if no such method exists
+     * @Deprecated
+     */
+    public static Method findMethod(Class<?> implClass, Operation operation) throws NoSuchMethodException {
+        String name = operation.getName();
+        if (operation instanceof JavaOperation) {
+            name = ((JavaOperation)operation).getJavaMethod().getName();
+        }
+        Interface interface1 = operation.getInterface();
+        int numParams = operation.getInputType().getLogical().size();
+        if (interface1 != null && interface1.isRemotable()) {
+            List<Method> matchingMethods = new ArrayList<Method>();
+            for (Method m : implClass.getMethods()) {
+                if (m.getName().equals(name) && m.getParameterTypes().length == numParams) {
+                    matchingMethods.add(m);
+                }
+            }
+
+            // TUSCANY-2180 If there is only one method then we just match on the name 
+            // (this is the same as the existing behaviour)
+            if (matchingMethods.size() == 1) {
+                return matchingMethods.get(0);
+            }
+            if (matchingMethods.size() > 1) {
+                // TUSCANY-2180 We need to check the parameter types too
+                Class<?>[] paramTypes = getPhysicalTypes(operation);
+                return implClass.getMethod(name, paramTypes);
+            }
+
+            // No matching method found
+            throw new NoSuchMethodException("No matching method for operation " + operation.getName()
+                + " is found on "
+                + implClass);
+        }
+        Class<?>[] paramTypes = getPhysicalTypes(operation);
+        return implClass.getMethod(name, paramTypes);
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml
new file mode 100644
index 0000000000..f531c2c4ed
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * 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.    
+-->
+<sca:definitions xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200903" 
+    targetNamespace="http://www.osgi.org/xmlns/sca/intents/v1.0.0">
+                 
+    <intent name="passByReference" constrains="sca:implementation" 
+        intentType="implementation">
+        <description>
+            An OSGi intent to pass data by reference
+        </description>
+    </intent>
+    
+    <intent name="passByValue" constrains="sca:implementation" 
+        intentType="implementation">
+        <description>
+            An OSGi intent to pass data by value
+        </description>
+    </intent>
+    
+</sca:definitions>
\ No newline at end of file
diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
new file mode 100644
index 0000000000..c2cd957351
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
@@ -0,0 +1,19 @@
+# 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. 

+

+# Implementation class for the implementation extension

+org.apache.tuscany.sca.implementation.osgi.runtime.OSGiImplementationProviderFactory;model=org.apache.tuscany.sca.implementation.osgi.OSGiImplementation

diff --git a/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties
new file mode 100644
index 0000000000..2503be0b13
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties
@@ -0,0 +1,25 @@
+#
+#
+#    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.
+#
+#
+ContributionReadException = ContributionReadException occured due to:
+ContributionResolveException = ContributionResolveException occured due to:
+PropertyShouldSpecifySR = Properties in implementation.osgi should specify service or reference
+CouldNotLocateOSGiBundle = Could not locate OSGi bundle: {0}
+MissingComponentTypeFile = Missing .componentType side file: {0}
\ No newline at end of file