// Licensed under Apache License version 2.0
// Original license LGPL
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package samples;
import java.io.IOException;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jmdns.JmDNS;
import javax.jmdns.ServiceEvent;
import javax.jmdns.ServiceListener;
/**
* Sample Code for Service Discovery using JmDNS and a ServiceListener.
* <p>
* Run the main method of this class. It listens for HTTP services and lists all changes on System.out.
*
* @author Werner Randelshofer
*/
public class DiscoverServices {
static class SampleListener implements ServiceListener {
@Override
public void serviceAdded(ServiceEvent event) {
System.out.println("Service added : " + event.getName() + "." + event.getType());
}
@Override
public void serviceRemoved(ServiceEvent event) {
System.out.println("Service removed : " + event.getName() + "." + event.getType());
}
@Override
public void serviceResolved(ServiceEvent event) {
System.out.println("Service resolved: " + event.getInfo());
}
}
/**
* @param args
* the command line arguments
*/
public static void main(String[] args) {
try {
// Activate these lines to see log messages of JmDNS
boolean log = false;
if (log) {
Logger logger = Logger.getLogger(JmDNS.class.getName());
ConsoleHandler handler = new ConsoleHandler();
logger.addHandler(handler);
logger.setLevel(Level.FINER);
handler.setLevel(Level.FINER);
}
final JmDNS jmdns = JmDNS.create();
jmdns.addServiceListener("_http._tcp.local.", new SampleListener());
System.out.println("Press q and Enter, to quit");
int b;
while ((b = System.in.read()) != -1 && (char) b != 'q') {
/* Stub */
}
jmdns.close();
System.out.println("Done");
} catch (IOException e) {
e.printStackTrace();
}
}
}