集册 Java实例教程 从Classloader中注销驱动程序

从Classloader中注销驱动程序

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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从Classloader中注销驱动程序

/*

 * Copyright 2014 the original author or authors.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

//package com.nowjava;
/*来自 
 n o w j a v a . c o m - 时代Java*/

import java.sql.Driver;

import java.sql.DriverManager;

import java.sql.SQLException;

import java.util.Enumeration;


public class Main {

    public static void deregisterDriverFromClassloader(

            String driverClassName, ClassLoader cl) {

        // pass a class name through rather than a class so that we don't end up loading it accidentally
//nowjava.com - 时代Java

        Enumeration<Driver> drivers = DriverManager.getDrivers();

        while (drivers.hasMoreElements()) {

            Driver driver = drivers.nextElement();

            Class<? extends Driver> driverClass = driver.getClass();

            if (driverClass.getName().equals(driverClassName)

                    && driverClass.getClassLoader() == cl) {

                
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