public static String dbFileChooser() {
        Path path = null; // get the path where our jar file is executing
        try {
            path = Paths.get(MICE.class.getProtectionDomain().getCodeSource().getLocation().toURI());
        } catch (URISyntaxException e) {
            e.getMessage();
        }
        JFileChooser file = null;
        if (path != null) {
            file = new JFileChooser(path.toString());
        } else {
            file = new JFileChooser();
        }
        FileNameExtensionFilter filter = new FileNameExtensionFilter("Firebird Database", "FDB");
        file.setFileFilter(filter);
        file.showDialog(null, "Välj FDB");
        String dbPath = null;
        try {
            dbPath = file.getSelectedFile().getAbsolutePath();
        } catch (Exception e) {
            e.getMessage();
        }

        return dbPath;
    }