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Java example source code file (B6433018.java)

This example Java source code file (B6433018.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

accept\-language, cache\-control, countdownlatch, crlf, crlf\+crlf, exception, handler, headers, inetsocketaddress, keep\-alive, net, network, post, pragma, proxy-connection, string, threading, threads

The B6433018.java Java example source code

/*
 * Copyright (c) 2006, 2013 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 6433018
 * @summary  HTTP server sometimes sends bad request for browsers javascript
 */

import com.sun.net.httpserver.*;

import java.util.concurrent.*;
import java.io.*;
import java.net.*;

public class B6433018 {

    static final String CRLF = "\r\n";

    /* invalid HTTP POST with extra CRLF at end */
    /* This checks that the server is able to handle it
     * and recognise the second request */

    static final String cmd =
        "POST /test/item HTTP/1.1"+CRLF+
        "Keep-Alive: 300"+CRLF+
        "Proxy-Connection: keep-alive"+CRLF+
        "Content-Type: text/xml"+CRLF+
        "Content-Length: 22"+CRLF+
        "Pragma: no-cache"+CRLF+
        "Cache-Control: no-cache"+CRLF+ CRLF+
        "<item desc=\"excuse\" />"+CRLF+
        "GET /test/items HTTP/1.1"+CRLF+
        "Host: araku:9999"+CRLF+
        "Accept-Language: en-us,en;q=0.5"+CRLF+
        "Accept-Encoding: gzip,deflate"+CRLF+
        "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"+CRLF+
        "Keep-Alive: 300"+CRLF+
        "Proxy-Connection: keep-alive"+CRLF+
        "Pragma: no-cache"+CRLF+
        "Cache-Control: no-cache"+CRLF+CRLF;

    public static void main(String[] args) throws Exception {
        CountDownLatch finished = new CountDownLatch(2);
        Handler handler = new Handler(finished);
        InetSocketAddress addr = new InetSocketAddress(0);
        HttpServer server = HttpServer.create(addr, 0);
        HttpContext ctx = server.createContext("/test", handler);

        server.start();
        int port = server.getAddress().getPort();
        try (Socket s = new Socket("localhost", port);
             OutputStream os = s.getOutputStream()) {
            os.write(cmd.getBytes());
            finished.await(30, TimeUnit.SECONDS);
        } finally {
            server.stop(2);
        }

        if (finished.getCount() != 0)
            throw new RuntimeException("did not receive the 2 requests");

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

    static class Handler implements HttpHandler {
        private final CountDownLatch finished;

        Handler(CountDownLatch finished) {
            this.finished = finished;
        }

        @Override
        public void handle(HttpExchange t) throws IOException {
            try (InputStream is = t.getRequestBody()) {
                Headers map = t.getRequestHeaders();
                Headers rmap = t.getResponseHeaders();
                while (is.read() != -1);
            }
            t.sendResponseHeaders(200, -1);
            t.close();
            finished.countDown();
        }
    }
}

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