*/
    protected int toUnixNumeric() {
        return (getRead() ? 4 : 0) + (getWrite() ? 2 : 0) + (getExecute() ? 1 : 0);
    }

    protected static boolean isRead(int unixNumeric) {
        return (unixNumeric & 4) >> 2 == 1;
    }

    protected static boolean isRead(String unixSymbolic) {
        char symbol = unixSymbolic.charAt(0);
        if (symbol == 'r') {
            return true;

    private final boolean read;
    private final boolean write;
    private final boolean execute;

    public DefaultUserClassFilePermissions(int unixNumeric) {
        read = isRead(unixNumeric);
        write = isWrite(unixNumeric);
        execute = isExecute(unixNumeric);
    }

    @Override
    public boolean getRead() {
        return read;
    }

    @Override
    public boolean getWrite() {

    @Inject
    public DefaultConfigurableUserClassFilePermissions(int unixNumeric) {
        setRead(isRead(unixNumeric));
        setWrite(isWrite(unixNumeric));
        setExecute(isExecute(unixNumeric));
    }

    @Override
    public void unix(String unixSymbolic) {
        setRead(isRead(unixSymbolic));
        setWrite(isWrite(unixSymbolic));

    private final UserClassFilePermissions other;

    public DefaultFilePermissions(int unixNumeric) {
        user = new DefaultUserClassFilePermissions(getUserPartOf(unixNumeric));
        group = new DefaultUserClassFilePermissions(getGroupPartOf(unixNumeric));
        other = new DefaultUserClassFilePermissions(getOtherPartOf(unixNumeric));
    }

    @Override
    public UserClassFilePermissions getUser() {
        return user;

    protected static int getUserPartOf(int unixNumeric) {
        return (unixNumeric & 0_700) >> 6;
    }

    protected static String getUserPartOf(String unixSymbolic) {
        return unixSymbolic.substring(0, 3);
    }

    @SuppressWarnings("OctalInteger")
    protected static int getGroupPartOf(int unixNumeric) {
        return (unixNumeric & 0_070) >> 3;
    }

        }
    }

    @Override
    public void unix(int unixNumeric) {
        user.unix(getUserPartOf(unixNumeric));
        group.unix(getGroupPartOf(unixNumeric));
        other.unix(getOtherPartOf(unixNumeric));
    }

    private static String normalizeUnixPermissions(String permissions) {
        String trimmed = permissions.trim();

    private static String toUnixSymbolic(int unitNumeric) {
        return String.format("%s%s%s", isRead(unitNumeric) ? "r" : "-", isWrite(unitNumeric) ? "w" : "-", isExecute(unitNumeric) ? "x" : "-");
    }

    private static boolean isRead(int unixNumeric) {
        return (unixNumeric & 4) >> 2 == 1;
    }

    private static boolean isWrite(int unixNumeric) {
        return (unixNumeric & 2) >> 1 == 1;
    }

    @Override
    public RelativePath getRelativePath() {
        return relativePath;
    }

    @Override
    public FilePermissions getPermissions() {
        int unixNumeric = stat.getUnixMode(file);
        return new DefaultFilePermissions(unixNumeric);
    }

            return getPermissions().toUnixNumeric();
        }

        @Override
        public FilePermissions getPermissions() {
            int unixNumeric = stat.getUnixMode(file);
            return new DefaultFilePermissions(unixNumeric);
        }
    }

            return getPermissions().toUnixNumeric();
        }

        @Override
        public FilePermissions getPermissions() {
            int unixNumeric = stat.getUnixMode(getFile());
            return new DefaultFilePermissions(unixNumeric);
        }
    }

    private static class PathBackedFileTreeElement implements FileTreeElement {
        private final Path path;
        private final String name;