if(directoryEntry == null) return false;
	public boolean _delete(VFSSession session, String url, Component comp)		throws IOException	{		FtpAddress address = new FtpAddress(url);		FtpClient client = _getFtpClient(session,address,true,comp);		if(client == null)			return false;		VFS.DirectoryEntry directoryEntry = _getDirectoryEntry(			session,url,comp);		if(directoryEntry.type == VFS.DirectoryEntry.FILE)			client.delete(address.path);		else if(directoryEntry.type == VFS.DirectoryEntry.DIRECTORY)			client.removeDirectory(address.path);		VFSManager.sendVFSUpdate(this,url,true);		return client.getResponse().isPositiveCompletion();	}