@OnOpen
public void setMonitor(@PathParam("directory") String directory, Session s) {
System.out.printf("Watch for %s%n", directory);
try {
watchService = FileSystems.getDefault().newWatchService();
session = s;
Path p = new File(directory).toPath();
p.register(
watchService,
StandardWatchEventKinds.ENTRY_CREATE,
StandardWatchEventKinds.ENTRY_DELETE,
StandardWatchEventKinds.ENTRY_MODIFY);
session.getBasicRemote().sendText("Registered " + p);
pollThr = new Thread(this);
pollThr.start();
} catch (IOException e) {
try {
session.getBasicRemote().sendText("Can't setup watcher :" + e);
} catch (IOException e2) {
}
}
}
@OnClose
public void stopWatch() {
if (pollThr != null) pollThr.interrupt();
}