ClassicClientSNIExample.java

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 * 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.
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 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
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 * <http://www.apache.org/>.
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package org.apache.hc.core5.http.examples;

import java.net.InetAddress;
import java.util.concurrent.TimeUnit;

import javax.net.ssl.SSLSession;

import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.HttpConnection;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.HttpRequest;
import org.apache.hc.core5.http.HttpResponse;
import org.apache.hc.core5.http.impl.Http1StreamListener;
import org.apache.hc.core5.http.impl.bootstrap.HttpRequester;
import org.apache.hc.core5.http.impl.bootstrap.RequesterBootstrap;
import org.apache.hc.core5.http.io.SocketConfig;
import org.apache.hc.core5.http.io.support.ClassicRequestBuilder;
import org.apache.hc.core5.http.message.RequestLine;
import org.apache.hc.core5.http.message.StatusLine;
import org.apache.hc.core5.http.protocol.HttpCoreContext;
import org.apache.hc.core5.util.Timeout;

/**
 * Example of SNI (Server Name Identification) usage with classic I/O.
 */
public class ClassicClientSNIExample {

    public static void main(final String[] args) throws Exception {
        final HttpRequester httpRequester = RequesterBootstrap.bootstrap()
                .setStreamListener(new Http1StreamListener() {

                    @Override
                    public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
                        System.out.println(connection.getRemoteAddress() + " " + new RequestLine(request));

                    }

                    @Override
                    public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
                        System.out.println(connection.getRemoteAddress() + " " + new StatusLine(response));
                    }

                    @Override
                    public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
                        if (keepAlive) {
                            System.out.println(connection.getRemoteAddress() + " exchange completed (connection kept alive)");
                        } else {
                            System.out.println(connection.getRemoteAddress() + " exchange completed (connection closed)");
                        }
                    }

                })
                .setSocketConfig(SocketConfig.custom()
                        .setSoTimeout(5, TimeUnit.SECONDS)
                        .build())
                .create();

        // Physical endpoint (google.com)
        final InetAddress targetAddress = InetAddress.getByName("www.google.com");
        // Target host (google.ch)
        final HttpHost target = new HttpHost("https", targetAddress, "www.google.ch", 443);
        final HttpCoreContext context = HttpCoreContext.create();

        final ClassicHttpRequest request = ClassicRequestBuilder.get()
                .setPath("/")
                .build();

        try (ClassicHttpResponse response = httpRequester.execute(target, request, Timeout.ofSeconds(5), context)) {
            System.out.println(request.getUri() + "->" + response.getCode());

            final SSLSession sslSession = context.getSSLSession();
            if (sslSession != null) {
                System.out.println("Peer: " + sslSession.getPeerPrincipal());
                System.out.println("TLS protocol: " + sslSession.getProtocol());
                System.out.println("TLS cipher suite: " + sslSession.getCipherSuite());
            }

            System.out.println("==============");
        }
    }

}