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-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java336
-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java61
-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java210
-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml37
-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory20
-rw-r--r--sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties25
6 files changed, 689 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
new file mode 100644
index 0000000000..1d5d99cd34
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
@@ -0,0 +1,336 @@
+/*
+ * 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 static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.REMOTE_CONFIG_SCA;
+import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.SCA_REFERENCE;
+import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.SERVICE_IMPORTED;
+import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.SERVICE_IMPORTED_CONFIGS;
+import static org.osgi.framework.Constants.SERVICE_RANKING;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+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.OSGiImplementationFactory;
+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.RuntimeEndpointReference;
+import org.oasisopen.sca.ServiceRuntimeException;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleException;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceException;
+import org.osgi.framework.ServiceFactory;
+import org.osgi.framework.ServiceReference;
+import org.osgi.framework.ServiceRegistration;
+
+/**
+ *
+ */
+public class OSGiImplementationProvider implements ImplementationProvider {
+ private RuntimeComponent component;
+ private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
+ private Bundle osgiBundle;
+ private boolean startedByMe;
+ private OSGiImplementation implementation;
+ private List<ServiceRegistration> registrations = new ArrayList<ServiceRegistration>();
+ private OSGiImplementationFactory implementationFactory;
+
+ public OSGiImplementationProvider(RuntimeComponent component,
+ OSGiImplementation impl,
+ ProxyFactoryExtensionPoint proxyFactoryExtensionPoint,
+ OSGiImplementationFactory implementationFactory) throws BundleException {
+ this.component = component;
+ this.proxyFactoryExtensionPoint = proxyFactoryExtensionPoint;
+ this.implementationFactory = implementationFactory;
+ 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();
+ startedByMe = true;
+ }
+ } catch (BundleException e) {
+ throw new ServiceRuntimeException(e);
+ }
+
+ for (ComponentReference ref : component.getReferences()) {
+ RuntimeComponentReference reference = (RuntimeComponentReference)ref;
+ InterfaceContract interfaceContract = reference.getInterfaceContract();
+ final JavaInterface javaInterface = (JavaInterface)interfaceContract.getInterface();
+ // final Class<?> interfaceClass = javaInterface.getJavaClass();
+
+ // final Hashtable<String, Object> props = new Hashtable<String, Object>();
+ // props.put(FILTER_MATCH_CRITERIA, "");
+ // Collection<String> interfaceNames = new ArrayList<String>();
+ // props.put(INTERFACE_MATCH_CRITERIA, interfaceNames);
+ // interfaceNames.add(interfaceClass.getName());
+
+ final Hashtable<String, Object> osgiProps = getOSGiProperties(reference);
+ osgiProps.put(SERVICE_RANKING, Integer.MAX_VALUE);
+ osgiProps.put(SCA_REFERENCE, component.getURI() + "#reference(" + ref.getName() + ")");
+ osgiProps.put(SERVICE_IMPORTED, "true");
+ osgiProps.put(SERVICE_IMPORTED_CONFIGS, new String[] {REMOTE_CONFIG_SCA});
+
+ for (EndpointReference epr : reference.getEndpointReferences()) {
+ final OSGiServiceFactory serviceFactory = new OSGiServiceFactory(javaInterface.getName(), epr);
+ ServiceRegistration registration =
+ AccessController.doPrivileged(new PrivilegedAction<ServiceRegistration>() {
+ public ServiceRegistration run() {
+ // Register the proxy as OSGi service
+ BundleContext context = osgiBundle.getBundleContext();
+ ServiceRegistration registration =
+ context.registerService(javaInterface.getName(), serviceFactory, osgiProps);
+ return registration;
+ }
+ });
+ registrations.add(registration);
+ }
+ }
+
+ // Set the OSGi service reference properties into the SCA service
+ for (ComponentService service : component.getServices()) {
+ // The properties might have been set by the export service
+ boolean found = false;
+ for (Object ext : service.getExtensions()) {
+ if (ext instanceof OSGiProperty) {
+ found = true;
+ break;
+ }
+ }
+ if (found) {
+ continue;
+ }
+ ServiceReference serviceReference = getServiceReference(osgiBundle.getBundleContext(), service);
+ if (serviceReference != null) {
+ service.getExtensions().addAll(implementationFactory.createOSGiProperties(serviceReference));
+ }
+ }
+ }
+
+ public void stop() {
+ for (ServiceRegistration registration : registrations) {
+ try {
+ registration.unregister();
+ } catch (IllegalStateException e) {
+ // The service has been unregistered, ignore it
+ }
+ }
+ registrations.clear();
+ // [REVIEW] Shoud it take care of stopping the bundle?
+ if (startedByMe) {
+ try {
+ int state = osgiBundle.getState();
+ if ((state & Bundle.STOPPING) == 0 && (state & Bundle.ACTIVE) != 0) {
+ osgiBundle.stop();
+ }
+ } catch (BundleException e) {
+ throw new ServiceRuntimeException(e);
+ } finally {
+ startedByMe = false;
+ }
+ }
+ }
+
+ 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;
+ }
+
+ protected Object getOSGiService(ComponentService service) {
+ BundleContext bundleContext = osgiBundle.getBundleContext();
+ ServiceReference ref = getServiceReference(bundleContext, service);
+ if (ref != null) {
+ Object instance = bundleContext.getService(ref);
+ return instance;
+ } else {
+ return null;
+ }
+ }
+
+ private ServiceReference getServiceReference(BundleContext bundleContext, ComponentService service) {
+ JavaInterface javaInterface = (JavaInterface)service.getInterfaceContract().getInterface();
+ // String filter = getOSGiFilter(provider.getOSGiProperties(service));
+ // FIXME: What is the filter?
+ String filter = "(!(" + SERVICE_IMPORTED + "=*))";
+ // "(sca.service=" + component.getURI() + "#service-name\\(" + service.getName() + "\\))";
+ ServiceReference ref;
+ try {
+ ref = bundleContext.getServiceReferences(javaInterface.getName(), filter)[0];
+ } catch (InvalidSyntaxException e) {
+ throw new ServiceRuntimeException(e);
+ }
+ return ref;
+ }
+
+ RuntimeComponent getComponent() {
+ return component;
+ }
+
+ OSGiImplementation getImplementation() {
+ return implementation;
+ }
+
+ /**
+ * A proxy invocation handler that wrap exceptions into OSGi ServiceException
+ */
+ private static class InvocationHandlerDelegate implements InvocationHandler {
+ private final Object instance;
+
+ public InvocationHandlerDelegate(Object instance) {
+ super();
+ this.instance = instance;
+ }
+
+ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+ if (!Proxy.isProxyClass(instance.getClass())) {
+ Method m = instance.getClass().getMethod(method.getName(), method.getParameterTypes());
+ try {
+ return m.invoke(instance, args);
+ } catch (InvocationTargetException e) {
+ wrapException(method, e.getCause());
+ return null;
+ }
+ } else {
+ InvocationHandler handler = Proxy.getInvocationHandler(instance);
+ try {
+ return handler.invoke(instance, method, args);
+ } catch (Throwable e) {
+ wrapException(method, e);
+ return null;
+ }
+ }
+ }
+
+ private void wrapException(Method method, Throwable e) throws Throwable {
+ for (Class<?> exType : method.getExceptionTypes()) {
+ if (exType.isInstance(e)) {
+ throw e;
+ }
+ }
+ throw new ServiceException(e.getMessage(), ServiceException.REMOTE, e);
+ }
+
+ /**
+ * A utility to cast the object to the given interface. If the class for the object
+ * is loaded by a different classloader, a proxy will be created.
+ *
+ * @param <T>
+ * @param obj
+ * @param cls
+ * @return
+ */
+ static <T> T cast(Object obj, Class<T> cls) {
+ if (obj == null) {
+ return null;
+ } else {
+ return cls.cast(Proxy.newProxyInstance(cls.getClassLoader(),
+ new Class<?>[] {cls},
+ new InvocationHandlerDelegate(obj)));
+ }
+ }
+ }
+
+ public class OSGiServiceFactory implements ServiceFactory {
+ private RuntimeEndpointReference epr;
+ private String interfaceName;
+
+ /**
+ * @param interfaceName
+ * @param epr
+ */
+ public OSGiServiceFactory(String interfaceName, EndpointReference epr) {
+ super();
+ this.interfaceName = interfaceName;
+ this.epr = (RuntimeEndpointReference)epr;
+ }
+
+ public Object getService(Bundle bundle, ServiceRegistration registration) {
+ try {
+ Class<?> interfaceClass = null;
+ try {
+ interfaceClass = bundle.loadClass(interfaceName);
+ } catch (ClassNotFoundException e) {
+ return null;
+ }
+ ProxyFactory proxyService = proxyFactoryExtensionPoint.getInterfaceProxyFactory();
+ if (!interfaceClass.isInterface()) {
+ proxyService = proxyFactoryExtensionPoint.getClassProxyFactory();
+ }
+ Object proxy = proxyService.createProxy(interfaceClass, epr);
+ return InvocationHandlerDelegate.cast(proxy, interfaceClass);
+ } catch (Throwable e) {
+ throw new ServiceException(e.getMessage(), ServiceException.FACTORY_EXCEPTION, e);
+ }
+ }
+
+ public void ungetService(Bundle bundle, ServiceRegistration registration, Object service) {
+ // Do we need to release the proxy?
+ }
+
+ }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java
new file mode 100644
index 0000000000..11b29de248
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java
@@ -0,0 +1,61 @@
+/*
+ * 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.FactoryExtensionPoint;
+import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint;
+import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation;
+import org.apache.tuscany.sca.implementation.osgi.OSGiImplementationFactory;
+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 OSGiImplementationFactory implementationFactory;
+ private ProxyFactoryExtensionPoint proxyFactoryExtensionPoint;
+
+ public OSGiImplementationProviderFactory(ExtensionPointRegistry registry) {
+ proxyFactoryExtensionPoint = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class);
+ FactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(FactoryExtensionPoint.class);
+ this.implementationFactory = factoryExtensionPoint.getFactory(OSGiImplementationFactory.class);
+ }
+
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component,
+ OSGiImplementation implementation) {
+ try {
+ return new OSGiImplementationProvider(component, implementation, proxyFactoryExtensionPoint,
+ implementationFactory);
+ } catch (BundleException e) {
+ throw new RuntimeException(e);
+ }
+
+ }
+
+ public Class<OSGiImplementation> getModelType() {
+ return OSGiImplementation.class;
+ }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java
new file mode 100644
index 0000000000..a9a2fdbd0b
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java
@@ -0,0 +1,210 @@
+/*
+ * 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.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.Operation;
+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.Constants;
+
+/**
+ * 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 implements Invoker {
+
+ private Operation operation;
+
+ 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 {
+ Object instance = provider.getOSGiService(service);
+ 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) {
+ Object serviceID = props.get(Constants.SERVICE_ID);
+ if (serviceID != null) {
+ return "(" + Constants.SERVICE_ID + "=" + serviceID + ")";
+ }
+
+ String filter = "";
+
+ if (props != null && props.size() > 0) {
+ int propCount = 0;
+ for (String propName : props.keySet()) {
+ 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/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/definitions.xml
new file mode 100644
index 0000000000..8718e58d8e
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/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/200912"
+ 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/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
new file mode 100644
index 0000000000..33f152ba13
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
@@ -0,0 +1,20 @@
+# 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/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/resources/impl-osgi-validation-messages.properties
new file mode 100644
index 0000000000..2503be0b13
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/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