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* Copyright (c) 2006-2007 Sun Microsystems, Inc. All rights reserved.
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* The Sun Project JXTA(TM) Software License
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* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
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* and wherever such third-party acknowledgments normally appear.
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* ====================================================================
*
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package tutorial.directmessenger;
import net.jxta.endpoint.EndpointListener;
import net.jxta.endpoint.EndpointService;
import net.jxta.platform.NetworkManager;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import net.jxta.document.AdvertisementFactory;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocumentFactory;
import net.jxta.document.XMLDocument;
import net.jxta.endpoint.EndpointAddress;
import net.jxta.endpoint.Message;
import net.jxta.endpoint.MessageElement;
import net.jxta.endpoint.MessageSender;
import net.jxta.endpoint.MessageTransport;
import net.jxta.endpoint.Messenger;
import net.jxta.endpoint.StringMessageElement;
import net.jxta.endpoint.TextDocumentMessageElement;
import net.jxta.impl.endpoint.router.EndpointRouter;
import net.jxta.impl.endpoint.router.RouteControl;
import net.jxta.peergroup.PeerGroup;
import net.jxta.protocol.RouteAdvertisement;
/**
* Simple example to illustrate the use of direct messengers.
*/
public class Receiver {
private static class ChatUnicastReceiver implements EndpointListener {
public void processIncomingMessage(Message msg, EndpointAddress source, EndpointAddress destination) {
MessageElement chat = msg.getMessageElement("Chat");
if(null != chat) {
System.out.println(chat.toString());
}
}
}
private static boolean stopped = false;
private static String shutDown = new String("shutdown");
/**
* main
*
* @param args command line args
*/
public static void main(String args[]) {
try {
NetworkManager manager = new NetworkManager(NetworkManager.ConfigMode.ADHOC, "DirectMessengerReceiver",
new File(new File(".cache"), "DirectMessengerReceiver").toURI());
manager.startNetwork();
PeerGroup npg = manager.getNetPeerGroup();
EndpointService endpoint = npg.getEndpointService();
EndpointListener chatlistener = new ChatUnicastReceiver();
endpoint.addIncomingMessageListener(chatlistener, "chatService", npg.getPeerID().getUniqueValue().toString() );
synchronized(shutDown) {
try {
while(!stopped) {
shutDown.wait(5000);
System.out.println("Proudly announcing the existance of " + npg.getPeerID());
MessageTransport router = endpoint.getMessageTransport("jxta");
RouteControl routeControl = (RouteControl) router.transportControl(EndpointRouter.GET_ROUTE_CONTROL, null);
RouteAdvertisement myRoute = routeControl.getMyLocalRoute();
Message announce = new Message();
XMLDocument routeDoc = (XMLDocument) myRoute.getDocument(MimeMediaType.XMLUTF8);
announce.addMessageElement(new TextDocumentMessageElement("ChatAnnounce", routeDoc, null));
endpoint.propagate(announce, "chatAnnounce", null);
}
} catch( InterruptedException woken ) {
Thread.interrupted();
}
}
endpoint.removeIncomingMessageListener( "chatService", npg.getPeerID().getUniqueValue().toString() );
manager.stopNetwork();
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
}