/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package books;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author qasko
 */
public class Database {

    private static Connection connection;
    private static final String URL = "jdbc:mysql://localhost/booksapp";
    private static final String USERNAME = "root";
    private static final String PASSWORD = "";

    public static Connection connect() throws SQLException {
        try {
            Class.forName("com.mysql.jdbc.Driver").newInstance();
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
            Logger.getLogger(Database.class.getName()).log(Level.SEVERE, null, ex);
        }

        connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);
        return connection;
    }

    public static Connection getConnection() throws SQLException, ClassNotFoundException {
        if (connection != null && !connection.isClosed()) {
            return connection;
        }
        connect();
        return connection;
    }
}