/** * Remove the listener from the notification list. * * @param listener the listener to be removed. */ public void removeFileChangeListener(FileChangeListener listener, String fileName) { FileMonitorTask task = (FileMonitorTask) timerTasks.remove(fileName + listener.hashCode()); if (task != null) { task.cancel(); } }
/** * Start monitoring a file. * * @param listener listener to notify when the file changed. * @param fileName name of the file to monitor. * @param period polling period in milliseconds. */ public void addFileChangeListener(FileChangeListener listener, String fileName, long period) { removeFileChangeListener(listener, fileName); FileMonitorTask task = new FileMonitorTask(listener, fileName); timerTasks.put(fileName + listener.hashCode(), task); timer.schedule(task, period, period); }