使用ProxyClient通过HTTP代理Apache HTTP客户端建立隧道
/* * -------------------------------------------------------------------- * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. * -------------------------------------------------------------------- * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.http.examples.client;// 来 自 时代Java公众号 - N o w J a v a . c o m import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.Writer; import java.net.Socket; import org.apache.http.HttpHost; import org.apache.http.auth.UsernamePasswordCredentials; import org.apache.http.impl.client.ProxyClient; import org.apache.http.protocol.HTTP;// from NowJava.com - 时 代 Java /** * Example code for using {@link ProxyClient} in order to establish a tunnel through an HTTP proxy. */ public class ProxyTunnelDemo { public final static void main(String[] args) throws Exception { ProxyClient proxyClient = new ProxyClient(); HttpHost target = new HttpHost("www.yahoo.com", 80); HttpHost proxy = new HttpHost("localhost", 8888); UsernamePasswordCredentials credentials = new UsernamePasswordCredentials( "user", "pwd"); Socket socket = proxyClient.tunnel(proxy, target, credentials); try { Writer out = new OutputStreamWriter(socket.getOutputStream(), HTTP.DEF_CONTENT_CHARSET); out.write("GET / HTTP/1.1\r\n"); out.write("Host: " + target.toHostString() + "\r\n"); out.write("Agent: whatever\r\n"); out.write(