/**
  * 文件上传完毕时,并将其加入到监控map中
  *
  * @param account
  * @param repoID
  * @param repoName
  * @param pathInRepo
  * @param localPath
  */
 public synchronized void onFileuploaded(
     Account account, String repoID, String repoName, String pathInRepo, String localPath) {
   System.out.println("seafile-Monitor:文件上传完毕时,并将其加入到监控map中");
   SeafileObserver observer = observers.get(account);
   if (!observer.watchedFiles.containsKey(localPath))
     observer.watchUploadedFile(repoID, repoName, pathInRepo, localPath);
 }
 /**
  * 从alterationMonitor中删除fileObserver
  *
  * @param fileObserver
  */
 private void removeObserver(SeafileObserver fileObserver) {
   alterationMonitor.removeObserver(fileObserver.getAlterationObserver());
 }
 /**
  * 文件下载完毕时,并将其加入到监控map中
  *
  * @param account
  * @param repoID
  * @param repoName
  * @param pathInRepo
  * @param localPath
  */
 public synchronized void onFileDownloaded(
     Account account, String repoID, String repoName, String pathInRepo, String localPath) {
   SeafileObserver observer = observers.get(account);
   System.out.println("李丹霞当文件下载成功时,加入watch");
   observer.watchDownloadedFile(repoID, repoName, pathInRepo, localPath);
 }
 /**
  * 将fileObserver加入到alterationMonitor中
  *
  * @param fileObserver
  */
 private void addObserver(SeafileObserver fileObserver) {
   alterationMonitor.addObserver(fileObserver.getAlterationObserver());
 }