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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.net.Authenticator;
import java.net.BindException;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import java.time.Duration;
import javax.net.ssl.HttpsURLConnection;
/**
* A simple Http client that connects to the HTTPTestServer.
* @author danielfuchs
*/
public class HTTPTestClient extends HTTPTest {
public static final long DELAY_BEFORE_RETRY = 2500; // milliseconds
public static void connect(HttpProtocolType protocol,
HTTPTestServer server,
HttpAuthType authType,
Authenticator auth)
throws IOException {
try {
doConnect(protocol, server, authType, auth);
} catch (BindException ex) {
// sleep a bit then try again once
System.out.println("WARNING: Unexpected BindException: " + ex);
System.out.println("\tSleeping a bit and try again...");
long start = System.nanoTime();
System.gc();
try {
Thread.sleep(DELAY_BEFORE_RETRY);
} catch (InterruptedException iex) {
// ignore
}
System.gc();
System.out.println("\tRetrying after "
+ Duration.ofNanos(System.nanoTime() - start).toMillis()
+ " milliseconds");
doConnect(protocol, server, authType, auth);
}
}
public static void doConnect(HttpProtocolType protocol,
HTTPTestServer server,
HttpAuthType authType,
Authenticator auth)
throws IOException {
InetSocketAddress address = server.getAddress();
final URL url = url(protocol, address, "/");
final Proxy proxy = proxy(server, authType);
System.out.println("Client: FIRST request: " + url + " GET");
HttpURLConnection conn = openConnection(url, authType, proxy);
configure(conn, auth);
System.out.println("Response code: " + conn.getResponseCode());
String result = new String(conn.getInputStream().readAllBytes(), "UTF-8");
System.out.println("Response body: " + result);
if (!result.isEmpty()) {
throw new RuntimeException("Unexpected response to GET: " + result);
}
System.out.println("\nClient: NEXT request: " + url + " POST");
conn = openConnection(url, authType, proxy);
configure(conn, auth);
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.getOutputStream().write("Hello World!".getBytes("UTF-8"));
System.out.println("Response code: " + conn.getResponseCode());
result = new String(conn.getInputStream().readAllBytes(), "UTF-8");
System.out.println("Response body: " + result);
if ("Hello World!".equals(result)) {
System.out.println("Test passed!");
} else {
throw new RuntimeException("Unexpected response to POST: " + result);
}
}
private static void configure(HttpURLConnection conn, Authenticator auth)
throws IOException {
if (auth != null) {
conn.setAuthenticator(auth);
}
if (conn instanceof HttpsURLConnection) {
System.out.println("Client: configuring SSL connection");
// We have set a default SSLContext so we don't need to do
// anything here. Otherwise it could look like:
// HttpsURLConnection httpsConn = (HttpsURLConnection)conn;
// httpsConn.setSSLSocketFactory(
// new SimpleSSLContext().get().getSocketFactory());
}
}
}
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