How to use

leap.lang.io.FileChangeObserver

constructor

private FileChangeObserver createObserver(File dir, FileChangeListener listener) {
  FileChangeObserver observer = new FileChangeObserver(dir);
  observer.addListener(listener);
  return observer;
}

monitor.addObserver(new FileChangeObserver(dir1, listener));
monitor.addObserver(new FileChangeObserver(dir2, listener));

if(file.isFile()) {
  FileFilter fileFilter = FileFilters.nameEquals("sqls.xml");
  FileChangeObserver observer = new FileChangeObserver(file.getFile().getParent(), fileFilter);
  FileChangeObserver observer = new FileChangeObserver(dir.getFile());