alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (B4962064.java)

This example Java source code file (B4962064.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

b4962064, basic, connection, exception, hello, inputstream, ioexception, myauthenticator, net, network, passwordauthentication, proxy, string, testhttpserver, url

The B4962064.java Java example source code

/*
 * Copyright (c) 2004, 2012, 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 4962064
 * @library ../../../sun/net/www/httptest/
 * @build HttpCallback TestHttpServer ClosedChannelList HttpTransaction
 * @run main/othervm B4962064
 * @summary Extend Authenticator to provide access to request URI and server/proxy
 */

import java.io.*;
import java.net.*;

public class B4962064 implements HttpCallback {

    static int count = 0;

    public void request (HttpTransaction req) {
        try {
            switch (count) {
              case 0:
                req.addResponseHeader ("Connection", "close");
                req.addResponseHeader ("WWW-Authenticate", "Basic realm=\"foo\"");
                req.sendResponse (401, "Unauthorized");
                req.orderlyClose();
                break;
              case 1:
              case 3:
                req.setResponseEntityBody ("Hello .");
                req.sendResponse (200, "Ok");
                req.orderlyClose();
                break;
              case 2:
                req.addResponseHeader ("Connection", "close");
                req.addResponseHeader ("Proxy-Authenticate", "Basic realm=\"foo\"");
                req.sendResponse (407, "Proxy Authentication Required");
                req.orderlyClose();
                break;
            }
            count ++;
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    static void read (InputStream is) throws IOException {
        int c;
        System.out.println ("reading");
        while ((c=is.read()) != -1) {
            System.out.write (c);
        }
        System.out.println ("");
        System.out.println ("finished reading");
    }


    static void client (String u) throws Exception {
        URL url = new URL (u);
        System.out.println ("client opening connection to: " + u);
        URLConnection urlc = url.openConnection ();
        InputStream is = urlc.getInputStream ();
        read (is);
        is.close();
    }

    static TestHttpServer server;
    static URL urlsave;

    public static void main (String[] args) throws Exception {
        try {
            server = new TestHttpServer (new B4962064(), 1, 10, 0);
            int port = server.getLocalPort();
            System.setProperty ("http.proxyHost", "localhost");
            System.setProperty ("http.proxyPort", Integer.toString (port));
            MyAuthenticator auth = new MyAuthenticator ();
            Authenticator.setDefault (auth);
            System.out.println ("Server started: listening on port: " + port);
            //String s = new String ("http://localhost:"+port+"/d1/d2/d3/foo.html");
            String s = new String ("http://foo.com/d1/d2/d3/foo.html");
            urlsave = new URL (s);
            client (s);
            //s = new String ("http://localhost:"+port+"/dr/d3/foo.html");
            s = new String ("http://bar.com/dr/d3/foo.html");
            urlsave = new URL (s);
            client (s);
        } catch (Exception e) {
            if (server != null) {
                server.terminate();
            }
            throw e;
        }
        server.terminate();
    }

    public static void except (String s) {
        server.terminate();
        throw new RuntimeException (s);
    }

    static class MyAuthenticator extends Authenticator {
        int count = 0;
        MyAuthenticator () {
            super ();
        }

        public PasswordAuthentication getPasswordAuthentication () {
            URL url = getRequestingURL ();
            if (!url.equals (urlsave)) {
                except ("urls not equal");
            }
            Authenticator.RequestorType expected;
            if (count == 0) {
                expected = Authenticator.RequestorType.SERVER;
            } else {
                expected = Authenticator.RequestorType.PROXY;
            }
            if (getRequestorType() != expected) {
                except ("wrong authtype");
            }
            count ++;
            return (new PasswordAuthentication ("user", "passwordNotCheckedAnyway".toCharArray()));
        }

    }

}

Other Java examples (source code examples)

Here is a short list of links related to this Java B4962064.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.