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package mssql;

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

/**
 *
 * @author Ticu
 */
public class DatabaseConnection {

    private static DatabaseConnection instance;
    private Connection connection;
    private String url = "jdbc:sqlserver://DESKTOP-G3JRQ2G;databaseName=boeken;user=Ticu;password=Adm123";

    private DatabaseConnection() {
        try {
            this.connection = DriverManager.getConnection(url);
        } catch (SQLException ex) {
            Logger.getLogger(DatabaseConnection.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    public Connection getConnection() {
        return connection;
    }

    public static DatabaseConnection getInstance() throws SQLException {
        if (instance == null) {
            instance = new DatabaseConnection();
        } else if (instance.getConnection().isClosed()) {
            instance = new DatabaseConnection();
        }

        return instance;
    }
}