import net.sourceforge.subsonic.service.upnp.ApacheUpnpServiceConfiguration; //导入依赖的package包/类
private synchronized void createService() throws Exception {
    upnpService = new UpnpServiceImpl(new ApacheUpnpServiceConfiguration());

    // Asynch search for other devices (most importantly UPnP-enabled routers for port-mapping)
    upnpService.getControlPoint().search();

    // Start DLNA media server?
    setMediaServerEnabled(settingsService.isDlnaEnabled());

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            System.err.println("Shutting down UPnP service...");
            upnpService.shutdown();
            System.err.println("Shutting down UPnP service - Done!");
        }
    });
}