package inyeccionsql;


import java.sql.Connection;
import java.sql.DriverManager;

public class BD {
    private static Connection conexion = null;
    private static String host = "localhost";
    private static String port = "3306";
    private static String bd = "test";
    private static String user = "root";
    private static String password  = "";
    // El constructor privado no permite que se generen clases
    private BD() {}

    public static Connection getConexion() {
        if (BD.conexion == null) {
            BD.conectar();
        }
        return BD.conexion;
    }

    private static void conectar() {
        try {
            DriverManager.registerDriver(new com.mysql.jdbc.Driver());
                BD.conexion = DriverManager.getConnection ("jdbc:mysql://" + BD.host + ":" + BD.port + "/" + BD.bd,
                BD.user,
                BD.password
            );
        } catch (Exception e) {
            e.printStackTrace();
	}
    }
}