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Java example source code file (RequestURI.java)

This example Java source code file (RequestURI.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

exception, fragment, httpurlconnection, inputstream, ioexception, messageheader, net, network, not, outputstream, requesturiserver, runtimeexception, serversocket, string, uristring, utf\-8, www

The RequestURI.java Java example source code

/*
 * Copyright (c) 2006, 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.
 */

/*
 * @test
 * @bug 6469663
 * @run main/othervm RequestURI
 * @summary HTTP Request-URI contains fragment when connecting through proxy
 */

import java.net.*;
import java.io.*;
import sun.net.www.MessageHeader;

// Create a Server listening on port 5001 to act as the proxy. Requests
// never need to be forwared from it. We are only interested in the
// request being sent to it. Set the system proxy properties to the
// value of the RequestURIServer so that the HTTP request will to sent to it.

public class RequestURI
{
    public static void main(String[] args) {
        ServerSocket ss;
        int port;

        try {
            ss = new ServerSocket(5001);
            port = ss.getLocalPort();
        } catch (Exception e) {
            System.out.println ("Exception: " + e);
            return;
        }

        RequestURIServer server = new RequestURIServer(ss);
        server.start();

        try {
            System.getProperties().setProperty("http.proxyHost", "localhost");
            System.getProperties().setProperty("http.proxyPort", Integer.toString(port));

            URL url = new URL("http://boo.bar.com/foo.html#section5");
            HttpURLConnection uc = (HttpURLConnection) url.openConnection();

            int resp = uc.getResponseCode();
            if (resp != 200)
                throw new RuntimeException("Failed: Fragment is being passed as part of the RequestURI");

            ss.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

class RequestURIServer extends Thread
{
    ServerSocket ss;

    String replyOK =  "HTTP/1.1 200 OK\r\n" +
                      "Content-Length: 0\r\n\r\n";
    String replyFAILED = "HTTP/1.1 404 Not Found\r\n\r\n";

    public RequestURIServer(ServerSocket ss) {
        this.ss = ss;
    }

    public void run() {
        try {
            Socket sock = ss.accept();
            InputStream is = sock.getInputStream();
            OutputStream os = sock.getOutputStream();

            MessageHeader headers =  new MessageHeader (is);
            String requestLine = headers.getValue(0);

            int first  = requestLine.indexOf(' ');
            int second  = requestLine.lastIndexOf(' ');
            String URIString = requestLine.substring(first+1, second);

            URI requestURI = new URI(URIString);
            if (requestURI.getFragment() != null)
                os.write(replyFAILED.getBytes("UTF-8"));
            else
                os.write(replyOK.getBytes("UTF-8"));

            sock.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

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