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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.binding.sca.rmi;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.logging.Logger;
import org.apache.tuscany.sca.assembly.DistributedSCABinding;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.SCABinding;
import org.apache.tuscany.sca.binding.rmi.RMIBinding;
import org.apache.tuscany.sca.binding.rmi.RMIBindingFactory;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.provider.BindingProviderFactory;
import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
import org.apache.tuscany.sca.provider.ServiceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* The service binding provider for the remote sca binding implementation. Relies on the
* RMI binding for providing a remote message endpoint
*/
public class RMISCAServiceBindingProvider implements ServiceBindingProvider {
private static final Logger logger = Logger.getLogger(RMISCAServiceBindingProvider.class.getName());
private SCABinding binding;
private RMIBinding rmiBinding;
private ServiceBindingProvider serviceBindingProvider;
private boolean started = false;
public RMISCAServiceBindingProvider(Endpoint endpoint, ExtensionPointRegistry extensionPoints) {
FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
this.binding = ((DistributedSCABinding)endpoint.getBinding()).getSCABinding();
rmiBinding = modelFactories.getFactory(RMIBindingFactory.class).createRMIBinding();
rmiBinding.setName(this.binding.getName());
URI uri = URI.create(binding.getURI());
if (!uri.isAbsolute()) {
int port = 8085;
String host;
try {
host = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
host = "localhost";
logger.warning("unable to determine host address, using localhost");
}
ServerSocket socket;
try {
socket = new ServerSocket(0);
port = socket.getLocalPort();
// host = socket.getInetAddress().getHostAddress();
socket.close();
} catch (IOException e) {
}
String bindURI = "http://" + host + ":" + port + binding.getURI();
// FIXME: We need to pass the full URI to the endpoint registry
binding.setURI(bindURI);
}
rmiBinding.setURI(this.binding.getURI());
// create a copy of the endpoint but with the web service binding in
RuntimeEndpoint ep = null;
try {
ep = (RuntimeEndpoint)endpoint.clone();
} catch (Exception ex){
// we know we can clone endpoint references
}
ep.setBinding(rmiBinding);
ProviderFactoryExtensionPoint providerFactories = extensionPoints.getExtensionPoint(ProviderFactoryExtensionPoint.class);
BindingProviderFactory<?> providerFactory = (BindingProviderFactory<?>) providerFactories.getProviderFactory(RMIBinding.class);
serviceBindingProvider = providerFactory.createServiceBindingProvider(ep);
// Set the service binding provider so that it can be used to start/stop
((RuntimeEndpoint) endpoint).setBindingProvider(serviceBindingProvider);
logger.info("Service using RMI SCA Binding: " + rmiBinding.getURI());
}
public InterfaceContract getBindingInterfaceContract() {
return null;
}
public boolean supportsOneWayInvocation() {
return false;
}
public void start() {
if (!started) {
started = true;
serviceBindingProvider.start();
}
}
public void stop() {
if (started) {
started = false;
serviceBindingProvider.stop();
}
}
}
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