| /* |
| * 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.commons.proxy2.impl; |
| |
| import org.apache.commons.proxy2.Interceptor; |
| import org.apache.commons.proxy2.Invoker; |
| import org.apache.commons.proxy2.ObjectProvider; |
| import org.apache.commons.proxy2.ProxyFactory; |
| |
| /** |
| * Base abstract {@link ProxyFactory} implementation, primarily providing implementations of the interface methods that |
| * are typically convenience constructs over the other methods. |
| */ |
| public abstract class AbstractProxyFactory implements ProxyFactory |
| { |
| /** |
| * Returns true if all <code>proxyClasses</code> are interfaces. |
| * |
| * @param proxyClasses |
| * the proxy classes |
| * @return true if all <code>proxyClasses</code> are interfaces |
| */ |
| @Override |
| public boolean canProxy(Class<?>... proxyClasses) |
| { |
| for (Class<?> proxyClass : proxyClasses) |
| { |
| if (!proxyClass.isInterface()) |
| { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Creates a proxy which delegates to the object provided by <code>delegateProvider</code>. The proxy will be |
| * generated using the current thread's "context class loader." |
| * |
| * @param delegateProvider |
| * the delegate provider |
| * @param proxyClasses |
| * the interfaces that the proxy should implement |
| * @return a proxy which delegates to the object provided by the target object provider |
| */ |
| @Override |
| public <T> T createDelegatorProxy(ObjectProvider<?> delegateProvider, Class<?>... proxyClasses) |
| { |
| return createDelegatorProxy(Thread.currentThread().getContextClassLoader(), delegateProvider, proxyClasses); |
| } |
| |
| /** |
| * Creates a proxy which passes through a {@link Interceptor interceptor} before eventually reaching the |
| * <code>target</code> object. The proxy will be generated using the current thread's "context class loader." |
| * |
| * @param target |
| * the target object |
| * @param interceptor |
| * the method interceptor |
| * @param proxyClasses |
| * the interfaces that the proxy should implement |
| * @return a proxy which passes through a {@link Interceptor interceptor} before eventually reaching the |
| * <code>target</code> object. |
| */ |
| @Override |
| public <T> T createInterceptorProxy(Object target, Interceptor interceptor, Class<?>... proxyClasses) |
| { |
| return createInterceptorProxy(Thread.currentThread().getContextClassLoader(), target, interceptor, |
| proxyClasses); |
| } |
| |
| /** |
| * Creates a proxy which uses the provided {@link Invoker} to handle all method invocations. The proxy will be |
| * generated using the current thread's "context class loader." |
| * |
| * @param invoker |
| * the invoker |
| * @param proxyClasses |
| * the interfaces that the proxy should implement |
| * @return a proxy which uses the provided {@link Invoker} to handle all method invocations |
| */ |
| @Override |
| public <T> T createInvokerProxy(Invoker invoker, Class<?>... proxyClasses) |
| { |
| return createInvokerProxy(Thread.currentThread().getContextClassLoader(), invoker, proxyClasses); |
| } |
| |
| } |