hacklschorsch

import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.nio.file.*;
import java.util.Observable;
import static java.nio.file.StandardWatchEventKinds.*;

/**
 * FileChangeNotifier notifies its observers when @file has changed.
 * It uses Java 7 NIO and runs in a separate thread (since the NIO call blocks).