public void sample() throws Exception {
   
// path to watch
   
String path = System.getProperty("user.home");

   
// watch mask, specify events you care about,
   
// or JNotify.FILE_ANY for all events.
   
int mask = JNotify.FILE_CREATED  |
               
JNotify.FILE_DELETED  |
               
JNotify.FILE_MODIFIED |
               
JNotify.FILE_RENAMED;

   
// watch subtree?
   
boolean watchSubtree = true;

   
// add actual watch
   
int watchID = JNotify.addWatch(path, mask, watchSubtree, new Listener());

   
// sleep a little, the application will exit if you
   
// don't (watching is asynchronous), depending on your
   
// application, this may not be required
   
Thread.sleep(1000000);

   
// to remove watch the watch
   
boolean res = JNotify.removeWatch(watchID);
   
if (!res) {
     
// invalid watch ID specified.
   
}
 
}
 
class Listener implements JNotifyListener {
   
public void fileRenamed(int wd, String rootPath, String oldName,
       
String newName) {
     
print("renamed " + rootPath + " : " + oldName + " -> " + newName);
   
}
   
public void fileModified(int wd, String rootPath, String name) {
     
print("modified " + rootPath + " : " + name);
   
}
   
public void fileDeleted(int wd, String rootPath, String name) {
     
print("deleted " + rootPath + " : " + name);
   
}
   
public void fileCreated(int wd, String rootPath, String name) {
     
print("created " + rootPath + " : " + name);
   
}
   
void print(String msg) {
     
System.err.println(msg);
   
}
 
}