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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 echo.server;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
/**
* A sample Echo server, showing how to integrate service bindings.
*/
public class EchoServer {
public static EchoServer server;
private Map<String, EchoServiceListener> services = new HashMap<String, EchoServiceListener>();
public static void start() {
}
public static void stop() {
}
public static EchoServer getServer() {
if (server == null)
server = new EchoServer();
return server;
}
/**
* Register a service under the given name.
*
* @param service
* @param name
*/
public void register(String uri, EchoServiceListener service) {
if (services.isEmpty()) {
start();
}
services.put(uri, service);
}
public void unregister(String uri) {
services.remove(uri);
if (services.isEmpty()) {
stop();
}
}
/**
* Dispatch an incoming interaction to the corresponding service.
*
* @param uri
* @param args
* @return
*/
public Object call(String uri, Object[] args) throws InvocationTargetException {
EchoServiceListener service = services.get(uri);
if (service == null) {
return args[0];
}
return service.call(args);
}
}
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