| /* |
| * 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.core.invocation; |
| |
| import java.util.List; |
| |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.core.UtilityExtensionPoint; |
| import org.apache.tuscany.sca.runtime.Invocable; |
| import org.oasisopen.sca.ServiceReference; |
| |
| /** |
| * An extensible proxy factory. |
| * |
| * @version $Rev$ $Date$ |
| * @tuscany.spi.extension.asclient |
| */ |
| public class ExtensibleProxyFactory implements ProxyFactory { |
| |
| private ProxyFactoryExtensionPoint proxyFactories; |
| |
| public ExtensibleProxyFactory(ProxyFactoryExtensionPoint proxyFactories) { |
| this.proxyFactories = proxyFactories; |
| } |
| |
| public ExtensibleProxyFactory(ExtensionPointRegistry registry) { |
| this.proxyFactories = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class); |
| } |
| |
| public static ExtensibleProxyFactory getInstance(ExtensionPointRegistry registry) { |
| UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); |
| return utilities.getUtility(ExtensibleProxyFactory.class); |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#cast(java.lang.Object) |
| */ |
| @SuppressWarnings("unchecked") |
| public <B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| if (interfaceFactory.isProxyClass(target.getClass())) { |
| return (R)interfaceFactory.cast(target); |
| } else if (classFactory != null && classFactory.isProxyClass(target.getClass())) { |
| return (R)classFactory.cast(target); |
| } else { |
| throw new IllegalArgumentException("The target is not a callable proxy"); |
| } |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#createCallbackProxy(java.lang.Class, |
| * java.util.List) |
| */ |
| public <T> T createCallbackProxy(Class<T> interfaze, List<? extends Invocable> wires) throws ProxyCreationException { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| if (interfaze.isInterface()) { |
| return interfaceFactory.createCallbackProxy(interfaze, wires); |
| } else { |
| return classFactory.createCallbackProxy(interfaze, wires); |
| } |
| } |
| |
| public <T> T createProxy(ServiceReference<T> callableReference) throws ProxyCreationException { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| if (callableReference.getBusinessInterface().isInterface()) { |
| return interfaceFactory.createProxy(callableReference); |
| } else { |
| return classFactory.createProxy(callableReference); |
| } |
| } |
| |
| public <T> T createCallbackProxy(ServiceReference<T> callbackReference) throws ProxyCreationException { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| if (callbackReference.getBusinessInterface().isInterface()) { |
| return interfaceFactory.createCallbackProxy(callbackReference); |
| } else { |
| return classFactory.createCallbackProxy(callbackReference); |
| } |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#createProxy(java.lang.Class, |
| * org.apache.tuscany.sca.runtime.Invocable) |
| */ |
| public <T> T createProxy(Class<T> interfaze, Invocable wire) throws ProxyCreationException { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| if (interfaze.isInterface()) { |
| return interfaceFactory.createProxy(interfaze, wire); |
| } else { |
| return classFactory.createProxy(interfaze, wire); |
| } |
| } |
| |
| /** |
| * @see org.apache.tuscany.sca.core.invocation.ProxyFactory#isProxyClass(java.lang.Class) |
| */ |
| public boolean isProxyClass(Class<?> clazz) { |
| ProxyFactory interfaceFactory = proxyFactories.getInterfaceProxyFactory(); |
| ProxyFactory classFactory = proxyFactories.getClassProxyFactory(); |
| return interfaceFactory.isProxyClass(clazz) || (classFactory != null && classFactory.isProxyClass(clazz)); |
| } |
| |
| public void removeProxiesForContribution(ClassLoader contributionClassloader){ |
| // do nothing, no cache to clear |
| } |
| } |