try { rootDir = new JIFSDirectory(this.device.getId(), true); } catch ( IOException e){ e.printStackTrace(); }
rootDir = new JIFSDrootDir(device.getId());
	public JIFileSystem(Device device, boolean readOnly) throws FileSystemException {		if (readOnly==false){			throw new FileSystemException("JIFS can not be created as writable...");		}		this.device = device;		try {			rootDir = new JIFSDirectory(this.device.getId(), true);		} catch ( IOException e){			e.printStackTrace();		}	}