Test.java Source code

Introduction

Here is the source code for Test.java

Source

import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;

import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;

public class Test {
    public static void main(String[] args) throws Exception {
        WatchService watcher = FileSystems.getDefault().newWatchService();

        Path dir = FileSystems.getDefault().getPath("/usr/a");

        WatchKey key = dir.register(watcher, ENTRY_MODIFY);

        while (true) {
            key = watcher.take();
            for (WatchEvent<?> event : key.pollEvents()) {
                if (event.kind() == ENTRY_MODIFY) {
                    System.out.println("Home dir changed!");
                }
            }
            key.reset();
        }
    }
}