/* * Copyright 1999-2011 Alibaba Group. * * Licensed 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 com.alibaba.dubbo.rpc.proxy; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import com.alibaba.dubbo.rpc.Invoker; import com.alibaba.dubbo.rpc.RpcInvocation; /** * InvokerHandler * * @author william.liangf */ public class InvokerInvocationHandler implements InvocationHandler { private final Invoker<?> invoker; public InvokerInvocationHandler(Invoker<?> handler){ this.invoker = handler; } public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String methodName = method.getName(); Class<?>[] parameterTypes = method.getParameterTypes(); if (method.getDeclaringClass() == Object.class) { return method.invoke(invoker, args); } if ("toString".equals(methodName) && parameterTypes.length == 0) { return invoker.toString(); } if ("hashCode".equals(methodName) && parameterTypes.length == 0) { return invoker.hashCode(); } if ("equals".equals(methodName) && parameterTypes.length == 1) { return invoker.equals(args[0]); } return invoker.invoke(new RpcInvocation(method, args)).recreate(); } }