diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0-Beta1/modules/implementation-osgi-runtime/src/main/java')
3 files changed, 0 insertions, 607 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 deleted file mode 100644 index 1d5d99cd34..0000000000 --- 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 +++ /dev/null @@ -1,336 +0,0 @@ -/* - * 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 deleted file mode 100644 index 11b29de248..0000000000 --- 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 +++ /dev/null @@ -1,61 +0,0 @@ -/* - * 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 deleted file mode 100644 index a9a2fdbd0b..0000000000 --- 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 +++ /dev/null @@ -1,210 +0,0 @@ -/* - * 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); - } - -} |