ConnectionUtil.java

package org.jazzteam.fitnesclub.repository.jdbc;


import lombok.extern.slf4j.Slf4j;

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

@Slf4j
public class ConnectionUtil {

    private static final String URL = "datasource.url";
    private static final String USER_NAME = "datasource.username";
    private static final String PASSWORD = "datasource.password";
    private static final String DRIVER = "datasource.driver";

    public static Connection getConnection() {
        try {
            Class.forName(PropertyUtil.getProperty(DRIVER));
            return DriverManager.getConnection(
                    PropertyUtil.getProperty(URL),
                    PropertyUtil.getProperty(USER_NAME),
                    PropertyUtil.getProperty(PASSWORD));

        } catch (ClassNotFoundException e) {
            log.error(e.getMessage());
            throw new IllegalStateException("Cannot find class PropertyUtil.getProperty(DRIVER)" + e.getMessage());

        } catch (SQLException throwables) {
            log.error(throwables.getMessage());
            throw new IllegalStateException("SQLException in trying get connection");
        }
    }
}