com.dinstone.jrpc.proxy.StubProxyFactory Maven / Gradle / Ivy

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/*
 * Copyright (C) 2014~2016 dinstone
 *
 * 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.dinstone.jrpc.proxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import com.dinstone.jrpc.invoker.ServiceInvoker;

public class StubProxyFactory implements ServiceProxyFactory {

    private ServiceInvoker serviceInvoker;

    public StubProxyFactory(ServiceInvoker serviceInvoker) {
        this.serviceInvoker = serviceInvoker;
    }

    @Override
    public  ServiceProxy createSkelecton(Class serviceInterface, String group, int timeout, T serviceObject) {
        throw new UnsupportedOperationException();
    }

    @Override
    public  ServiceProxy createStub(Class si, String group, int timeout) throws Exception {
        ProxyInvocationHandler handler = new ProxyInvocationHandler();
        T sr = si.cast(Proxy.newProxyInstance(si.getClassLoader(), new Class[] { si }, handler));
        ServiceProxy serviceProxy = new ServiceProxy(si, group, timeout, sr);
        handler.serviceProxy = serviceProxy;
        return serviceProxy;
    }

    @Override
    public void destroy() {
    }

    private class ProxyInvocationHandler implements InvocationHandler {

        private ServiceProxy serviceProxy;

        public Object invoke(Object proxyObj, Method method, Object[] args) throws Throwable {
            return serviceInvoker.invoke(serviceProxy, method, args);
        }

    }

}