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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.websocket.runtime;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.provider.ServiceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
import org.apache.websocket.ServerWebSocket;
public class WebsocketServiceBindingProvider implements ServiceBindingProvider {
private static Map<String, WebSocketOperationDispatcher> dispatchers = new HashMap<String, WebSocketOperationDispatcher>();
private RuntimeEndpoint endpoint;
public WebsocketServiceBindingProvider(RuntimeEndpoint endpoint) {
this.endpoint = endpoint;
}
public void start() {
String uri = endpoint.getBinding().getURI();
WebSocketOperationDispatcher dispatcher = initDispatcherForURI(uri);
String component = endpoint.getComponent().getName();
String service = endpoint.getService().getName();
for (Operation op : getBindingInterfaceContract().getInterface().getOperations()) {
String operation = op.getName();
dispatcher.addOperation(component + "/" + service + "/" + operation, endpoint, op);
}
}
private WebSocketOperationDispatcher initDispatcherForURI(String uri) {
WebSocketOperationDispatcher dispatcher = dispatchers.get(uri);
if (dispatcher == null) {
try {
ServerWebSocket server = new ServerWebSocket(new URI(uri));
System.out.println("Starting websocket server " + server + " at " + uri + "...");
dispatcher = new WebSocketOperationDispatcher(server);
System.out.println("Created new dispatcher for " + uri + " " + dispatcher);
dispatchers.put(uri, dispatcher);
server.register("/", dispatcher);
new Thread(server).start();
} catch (IOException e) {
throw new RuntimeException(e);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}
return dispatcher;
}
public void stop() {
for (WebSocketOperationDispatcher dispatcher : dispatchers.values()) {
dispatcher.shutdown();
}
dispatchers.clear();
}
public InterfaceContract getBindingInterfaceContract() {
return endpoint.getService().getInterfaceContract();
}
public boolean supportsOneWayInvocation() {
return false;
}
}
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