uses HttpClient to execute an HTTP request over a secure connection tunneled through an authenticating proxy apache http client - Java Network

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Description

uses HttpClient to execute an HTTP request over a secure connection tunneled through an authenticating proxy apache http client

Demo Code

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.http.examples.client;

import org.apache.http.HttpHost;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * A simple example that uses HttpClient to execute an HTTP request
 * over a secure connection tunneled through an authenticating proxy.
 */
public class ClientProxyAuthentication {

    public static void main(String[] args) throws Exception {
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(new AuthScope("localhost", 8080),
                new UsernamePasswordCredentials("username", "password"));
        CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultCredentialsProvider(credsProvider).build();
        try {
            HttpHost target = new HttpHost("www.verisign.com", 443, "https");
            HttpHost proxy = new HttpHost("localhost", 8080);

            RequestConfig config = RequestConfig.custom().setProxy(proxy)
                    .build();
            HttpGet httpget = new HttpGet("/");
            httpget.setConfig(config);

            System.out.println("Executing request "
                    + httpget.getRequestLine() + " to " + target + " via "
                    + proxy);

            CloseableHttpResponse response = httpclient.execute(target,
                    httpget);
            try {
                System.out
                        .println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
}

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