Convert blob object to BufferedImage

/** Read image from the database for the given ID, then convert to BufferedImage */
public BufferedImage readImage(String id) {
    BufferedImage bufImg = null;

    try {
        PreparedStatement pst = conn.prepareStatement("SELECT photo FROM vehicles WHERE veh_reg_no = ?");
            pst.setString(1, id);
            System.out.println(pst);
            ResultSet rset = pstmt.executeQuery();

        // Only one result expected
            rset.next();
            // Read image via InputStream
            InputStream in = rset.getBinaryStream("photo");
            // Decode the inputstream as BufferedImage
            bufImg = ImageIO.read(in);
      } catch(Exception e) {
         e.printStackTrace();
      }
      return bufImg;
}