code: public void stop() {
  		isRunning = false;
  		thread.interrupt();
  		try {
  			closeFileReader();
  		} catch (IOException ioe) {
  			System.out.println(new LogEntry(Level.CRITICAL, "I/O exception while closing file reader: " + ioe.getMessage(), ioe));
  		}
  	}
docs: Stops monitoring the input file.