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/*
* 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.tuscany.sca.client.rmi;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.List;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.binding.rmi.provider.RMIBindingInvoker;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.host.rmi.ExtensibleRMIHost;
import org.apache.tuscany.sca.host.rmi.RMIHost;
import org.apache.tuscany.sca.host.rmi.RMIHostExtensionPoint;
import org.apache.tuscany.sca.runtime.EndpointRegistry;
import org.oasisopen.sca.NoSuchServiceException;
public class SCAClientProxyHandler implements InvocationHandler {
protected EndpointRegistry endpointRegistry;
protected EndpointReference endpointReference;
protected String serviceName;
protected RMIHost rmiHost;
public SCAClientProxyHandler(String serviceName, ExtensionPointRegistry extensionsRegistry, EndpointRegistry endpointRegistry) {
this.endpointRegistry = endpointRegistry;
this.serviceName = serviceName;
RMIHostExtensionPoint rmiHosts = extensionsRegistry.getExtensionPoint(RMIHostExtensionPoint.class);
this.rmiHost = new ExtensibleRMIHost(rmiHosts);
FactoryExtensionPoint factories = extensionsRegistry.getExtensionPoint(FactoryExtensionPoint.class);
AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
this.endpointReference = assemblyFactory.createEndpointReference();
endpointReference.setReference(assemblyFactory.createComponentReference());
Endpoint targetEndpoint = assemblyFactory.createEndpoint();
targetEndpoint.setURI(serviceName);
endpointReference.setTargetEndpoint(targetEndpoint);
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
List<Endpoint> endpoints = endpointRegistry.findEndpoint(endpointReference);
if (endpoints.size() <1 ) {
throw new NoSuchServiceException(serviceName);
}
String uri = endpoints.get(0).getBinding().getURI();
RMIBindingInvoker invoker = new RMIBindingInvoker(rmiHost, uri, method);
return invoker.invokeTarget(args);
}
}
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