@Override
	public Customer findCustomerByEmail(String email) {
		String sql = "SELECT * FROM customer WHERE email='" + email + "';";
		
		Connection con = null;
		Customer customer = null;
		try {
			con = getConnection();
			PreparedStatement statement = con.prepareStatement(sql);
			ResultSet resultSet = statement.executeQuery();
			if (resultSet.next()) customer = buildCustomer(resultSet);
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			if (con != null) closeConnection(con);
		}
		return customer;
	}