@Override
  public void close() {
    try {
      conn.close();
    } catch (SQLException e) {
      LOGGER.error("Error closing sqlite file", e);
    }
    if (!keepUnzipped && extracted != null) {
      FileUtils.deleteFile(extracted);
    }
  }
Returns a JDBC connection to the sqlite file. Input can be the sqlite file itself or a zip file containing it.
planetiler-core/src/main/java/com/onthegomap/planetiler/reader/NaturalEarthReader.java