<dependency>
	<groupId>net.contentobjects.jnotify</groupId>
	<artifactId>jnotify</artifactId>
	<version>0.94</version>
</dependency>

@Component
public class FileMonitorListener extends JNotifyAdapter {
    /**
     * 文件創(chuàng)建后調(diào)用
     *
     * @param watchId      監(jiān)視Id  初始為1，多個(gè)監(jiān)控程序以此加1
     * @param watchPath    被監(jiān)視的最上層路徑
     * @param relativePath 創(chuàng)建的文件相對watchPath的相對路徑
     */
    @Override
    public void fileCreated(int watchId, String watchPath, String relativePath) {
        System.out.println(String.format("watchId = [%s], 被監(jiān)視路徑 = [%s], 創(chuàng)建文件 = [%s]", watchId, watchPath, relativePath));
    }
    /**
     * 文件刪除后調(diào)用
     *
     * @param watchId      監(jiān)視Id 初始為1，多個(gè)監(jiān)控程序以此加1
     * @param watchPath    被監(jiān)視的最上層路徑
     * @param relativePath 刪除的文件相對watchPath的相對路徑
     */
    @Override
    public void fileDeleted(int watchId, String watchPath, String relativePath) {
        System.out.println(String.format("watchId = [%s], 被監(jiān)視路徑 = [%s], 刪除文件 = [%s]",
                watchId, watchPath, relativePath));
    }
    /**
     * 文件修改 (文件內(nèi)容被修改和文件夾被修改都可以檢測到)
     * @param watchId      監(jiān)視Id  初始為1，多個(gè)監(jiān)控程序以此加1
     * @param watchPath    被監(jiān)視的最上層路徑
     * @param relativePath 修改的文件相對watchPath的相對路徑
     */
    @Override
    public void fileModified(int watchId, String watchPath, String relativePath) {
        System.out.println(String.format("watchId = [%s], 被監(jiān)視路徑 = [%s], 修改文件 = [%s]",
                watchId, watchPath, relativePath));
    }
    /**
     * 文件重命名后調(diào)用
     *
     * @param watchId         監(jiān)視Id  初始為1，多個(gè)監(jiān)控程序以此加1
     * @param watchPath       被監(jiān)視的最上層路徑
     * @param oldRelativePath 修改前文件名（相對watchPath的相對路徑）
     * @param newRelativePath 修改后文件名（相對watchPath的相對路徑）
     */
    @Override
    public void fileRenamed(int watchId, String watchPath, String oldRelativePath, String newRelativePath) {
        System.out.println(String.format("watchId = [%s], 被監(jiān)視路徑 = [%s], 文件重命名: [%s] -> [%s]",
                watchId, watchPath, oldRelativePath, newRelativePath));
    }
}

@RestController
@RequestMapping("/file")
public class FileMonitorController {
    @Resource
    private FileMonitorListener fileMonitorListener;
    @GetMapping("/v1/monitor")
    public ResultBean<Void> monitorDir() {
        //在新線程中開啟監(jiān)聽
        new Thread(() -> {
            try {
                beginWatch();
            } catch (JNotifyException e) {
                e.printStackTrace();
            }
        }).start();
        return ResultBeanUtil.<Void>success(null).setMsg("文件監(jiān)聽開啟成功");
    }
    private void beginWatch() throws JNotifyException {
        String path1 = "e:/test/001";
        String path2 = "e:/test/002";
        // 是否監(jiān)視子目錄
        boolean watchSubtree = true;
        // 需要監(jiān)視的文件變更類型，此處用4個(gè)bit位表示，類似linux的文件訪問權(quán)限
        int mask = JNotify.FILE_CREATED | JNotify.FILE_DELETED | JNotify.FILE_MODIFIED | JNotify.FILE_RENAMED;
        //添加監(jiān)聽
        int watchId1 = JNotify.addWatch(path1, mask, watchSubtree, fileMonitorListener);
        System.out.println("watchId1 = " + watchId1 + ", 開始監(jiān)視路徑：" + path1);
        // 添加監(jiān)聽
        int watchId2 = JNotify.addWatch(path2, JNotify.FILE_ANY, false, fileMonitorListener);
        System.out.println("watchId2 = " + watchId2 + ", 開始監(jiān)視路徑：" + path2);
    }
}