/*
* 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;
}
}