package com.eversis.piuw.exporter.custom;

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

public class JDBC {

    private static JDBC instance;
    private Connection connection;
    private String url = "jdbc:mysql://localhost:3306/liferay?serverTimezone=UTC&zeroDateTimeBehavior=convertToNull&useSSL=false";
    private String username = "root";
    private String password = "password";

    private JDBC() throws SQLException {
        try {
            Class.forName("com.mysql.jdbc.Driver");
            this.connection = DriverManager.getConnection(url, username, password);
        } catch (ClassNotFoundException ex) {
            System.out.println("Database Connection Creation Failed : " + ex.getMessage());
        }
    }

    public Connection getConnection() {
        return connection;
    }

    public static JDBC getInstance() {

        try {
            if (instance == null || instance.getConnection().isClosed()) {
                instance = new JDBC();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return instance;
    }
}