Here you can find the source of isDriverLoaded(String driver)
public static boolean isDriverLoaded(String driver)
//package com.java2s; /*//from www .ja va 2s.c om This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Copyright (C) 2007 Marco Aurelio Graciotto Silva <magsilva@gmail.com> */ import java.sql.Driver; import java.sql.DriverManager; import java.util.Enumeration; public class Main { /** * Check if the database driver is loaded. * * @return True if the driver is loaded, False otherwise. */ public static boolean isDriverLoaded(String driver) { // Check if the driver has been already loaded Enumeration<Driver> drivers = DriverManager.getDrivers(); while (drivers.hasMoreElements()) { Driver d = drivers.nextElement(); if (d.getClass().getName().equals(driver)) { return true; } } return false; } }