private boolean isSameFile(Path file1, Path file2) {
		return file1.getFileName().equals(file2.getFileName());
	}
Watcher for file changes

@author <a href="mailto:wangyuxuan@dangdang.com">Yuxuan Wang</a>
config-toolkit/src/main/java/com/dangdang/config/service/file/FileChangeEventListener.java