/* | |
* 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.protocol.rmi.proxy; | |
import java.rmi.Remote; | |
import com.alibaba.dubbo.common.Adaptive; | |
import com.alibaba.dubbo.common.ExtensionLoader; | |
import com.alibaba.dubbo.common.URL; | |
import com.alibaba.dubbo.rpc.Invoker; | |
import com.alibaba.dubbo.rpc.protocol.rmi.RmiProxyFactory; | |
/** | |
* RmiProxyFactoryAdaptive | |
* | |
* @author william.liangf | |
*/ | |
@Adaptive | |
public class RmiProxyFactoryAdaptive implements RmiProxyFactory { | |
public <T> Remote getProxy(Invoker<T> invoker) { | |
ExtensionLoader<RmiProxyFactory> extensionLoader = ExtensionLoader.getExtensionLoader(RmiProxyFactory.class); | |
String name = invoker.getUrl().getParameter("codec", "spring"); | |
if (name != null && name.length() > 0 && ! extensionLoader.hasExtension(name)) { | |
throw new IllegalArgumentException("Unsupported protocol codec " + name | |
+ " for protocol RMI, Only support: " + extensionLoader.getSupportedExtensions()); | |
} | |
if (Remote.class.isAssignableFrom(invoker.getInterface())) { | |
name = "native"; | |
} | |
return extensionLoader.getExtension(name).getProxy(invoker); | |
} | |
public <T> Invoker<T> getInvoker(Remote remote, Class<T> serviceType, URL url) { | |
ExtensionLoader<RmiProxyFactory> extensionLoader = ExtensionLoader.getExtensionLoader(RmiProxyFactory.class); | |
for (String name : extensionLoader.getSupportedExtensions()) { | |
RmiProxyFactory rmiProxyFactory = extensionLoader.getExtension(name); | |
if (rmiProxyFactory.isSupported(remote, serviceType, url)) { | |
return rmiProxyFactory.getInvoker(remote, serviceType, url); | |
} | |
} | |
throw new UnsupportedOperationException("Unsupported remote stub " + remote + " by type " + extensionLoader.getSupportedExtensions() + ", service: " + serviceType.getName() + ", url" + url); | |
} | |
public boolean isSupported(Remote remote, Class<?> serviceType, URL url) { | |
return true; | |
} | |
} |