public Collection<IrodsFile> listFiles() throws IrodsException {
		List<IrodsFile> l = new ArrayList<IrodsFile>();
		for (File f : irodsFile.listFiles()) {
			if (f instanceof IRODSFile && f.isFile()) {
				l.add(new JargonFile(conn, (IRODSFile) f));
			}
		}
		return l;
	}