public String parseShape(ResultSet resultSet) throws SQLException, IOException, SchemaException {

        if (drawnShapesId.contains(resultSet.getObject(1))) {
            return null;
        } else {
            drawnShapesId.add((Integer) resultSet.getObject(1));
        }

        StringBuilder sb = new StringBuilder();

        List<Object> values = new ArrayList<>();
        ResultSetMetaData md = resultSet.getMetaData();
        int columns = md.getColumnCount();

        for (int i = 3; i <= columns; i++) {

            // temporary getting rid of the problem with BigDecimal convertion
            // should be resolved somehow
            if (resultSet.getObject(i) == null || resultSet.getObject(i).getClass().getSimpleName().equals("BigDecimal")) {
                continue;
            }
            sb.append(String.format("%s:%s,", md.getColumnName(i), resultSet.getObject(i).getClass().getSimpleName()));
            values.add(resultSet.getObject(i));
        }
        InputStream inputStream = resultSet.getBinaryStream("SHAPE");

        Geometry geometry = parseGeometry(inputStream);
        sb.append("shape:");
        sb.append("Polygon");
        values.add(geometry);

        SimpleFeatureType type = DataUtilities.createType("shape", sb.toString());
        SimpleFeatureBuilder builder = new SimpleFeatureBuilder(type);
        builder.addAll(values);
        SimpleFeature feature = builder.buildFeature("fid");
        FeatureJSON fJson = new FeatureJSON();
        StringWriter writer = new StringWriter();
        fJson.writeFeature(feature, writer);

        return writer.toString();
    }