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/**
*
* Copyright (C) 2013 TomTom International B.V.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
package org.genivi.trafficinfo.demo.communicationchannel.async2waycommchannel.impl;
import java.util.HashMap;
import java.util.Map;
import org.genivi.trafficinfo.demo.communicationchannel.async2waycommchannel.Async2WayCommunicationChannelClient;
import org.genivi.trafficinfo.demo.communicationchannel.async2waycommchannel.Async2WayCommunicationChannelDataReceptionListener;
import org.genivi.trafficinfo.demo.communicationchannel.async2waycommchannel.Async2WayCommunicationChannelServer;
public class DummyAsyn2WayCommunicationChannel implements Async2WayCommunicationChannelClient, Async2WayCommunicationChannelServer {
private static DummyAsyn2WayCommunicationChannel broadcastChannel = null;
private Map<String, Async2WayCommunicationChannelDataReceptionListener> requestListeners =
new HashMap<String, Async2WayCommunicationChannelDataReceptionListener>();
private Map<Long, Async2WayCommunicationChannelDataReceptionListener> openRequests =
new HashMap<Long, Async2WayCommunicationChannelDataReceptionListener>();
private long nextMessageId = 1l;
public static DummyAsyn2WayCommunicationChannel getInstance() {
if (broadcastChannel == null) {
broadcastChannel = new DummyAsyn2WayCommunicationChannel();
}
return broadcastChannel;
}
@Override
public void addRequestListener(String address, Async2WayCommunicationChannelDataReceptionListener requestListener) {
requestListeners.put(address, requestListener);
}
public void removeRequestListener(String address) {
requestListeners.remove(address);
}
public void removeRequestListener(Async2WayCommunicationChannelDataReceptionListener requestListener) {
for (String address: requestListeners.keySet()) {
if (requestListeners.get(address).equals(requestListener)) {
requestListeners.remove(address);
}
}
}
@Override
public long sendRequest(String address, Object data, Async2WayCommunicationChannelDataReceptionListener responseListener) {
Async2WayCommunicationChannelDataReceptionListener requestListener = getRequestListenerForAddress(address);
if (requestListener == null) {
throw new RuntimeException("No request listener for request sent to address: " + address);
}
long messageId = generateMessageId();
openRequests.put(messageId, responseListener);
requestListener.dataReceived(messageId, data);
System.out.println("DummyAsyn2WayCommunicationChannel: sending request");
return messageId;
}
@Override
public void sendResponse(long messageId, Object data) {
System.out.println("DummyAsyn2WayCommunicationChannel: sending response");
Async2WayCommunicationChannelDataReceptionListener dataReceptionListener = openRequests.remove(messageId);
dataReceptionListener.dataReceived(messageId, data);
}
private long generateMessageId() {
return nextMessageId++;
}
private Async2WayCommunicationChannelDataReceptionListener getRequestListenerForAddress(String address) {
return requestListeners.get(address);
}
}
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