/*
 * ====================================================================
 * 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.nio.client;

import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
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.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.nio.client.CloseableHttpAsyncClient;
import org.apache.http.impl.nio.client.HttpAsyncClients;

import java.util.concurrent.Future;

/**
 * This example demonstrates a basic asynchronous HTTP request / response exchange
 * over a secure connection tunneled through an authenticating proxy.
 */
public class AsyncClientProxyAuthentication {

    public static void main(String[] args)throws Exception {
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(
                new AuthScope("localhost", 8889),
                new UsernamePasswordCredentials("squid", "nopassword"));
        CloseableHttpAsyncClient httpclient = HttpAsyncClients.custom()
                .setDefaultCredentialsProvider(credsProvider)
                .build();
        try {
            httpclient.start();
            HttpHost proxy = new HttpHost("localhost", 8889);
            RequestConfig config = RequestConfig.custom()
                    .setProxy(proxy)
                    .build();
            HttpGet httpget = new HttpGet("https://httpbin.org/");
            httpget.setConfig(config);
            Future<HttpResponse> future = httpclient.execute(httpget, null);
            HttpResponse response = future.get();
            System.out.println("Response: " + response.getStatusLine());
            System.out.println("Shutting down");
        } finally {
            httpclient.close();
        }
    }

}