125 lines
4.3 KiB
Java
125 lines
4.3 KiB
Java
/*
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* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.net.*;
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import java.util.*;
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import java.io.*;
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import com.sun.net.httpserver.*;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ExecutorService;
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public class RetryPost
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{
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static boolean shouldRetry = true;
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com.sun.net.httpserver.HttpServer httpServer;
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MyHandler httpHandler;
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ExecutorService executorService;
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public static void main(String[] args) {
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if (args.length == 1 && args[0].equals("noRetry"))
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shouldRetry = false;
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new RetryPost();
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}
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public RetryPost() {
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try {
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startHttpServer(shouldRetry);
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doClient();
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} catch (IOException ioe) {
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System.err.println(ioe);
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}
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}
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void doClient() {
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try {
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InetSocketAddress address = httpServer.getAddress();
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URL url = new URL("http://" + address.getHostName() + ":" + address.getPort() + "/test/");
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HttpURLConnection uc = (HttpURLConnection)url.openConnection();
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uc.setDoOutput(true);
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uc.setRequestMethod("POST");
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uc.getResponseCode();
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// if we reach here then we have failed
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throw new RuntimeException("Failed: POST request being retried");
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} catch (SocketException se) {
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// this is what we expect to happen and is OK.
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if (shouldRetry && httpHandler.getCallCount() != 2)
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throw new RuntimeException("Failed: Handler should have been called twice. " +
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"It was called "+ httpHandler.getCallCount() + " times");
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else if (!shouldRetry && httpHandler.getCallCount() != 1)
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throw new RuntimeException("Failed: Handler should have only been called once" +
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"It was called "+ httpHandler.getCallCount() + " times");
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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httpServer.stop(1);
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executorService.shutdown();
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}
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}
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/**
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* Http Server
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*/
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public void startHttpServer(boolean shouldRetry) throws IOException {
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httpServer = com.sun.net.httpserver.HttpServer.create(new InetSocketAddress(0), 0);
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httpHandler = new MyHandler(shouldRetry);
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HttpContext ctx = httpServer.createContext("/test/", httpHandler);
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executorService = Executors.newCachedThreadPool();
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httpServer.setExecutor(executorService);
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httpServer.start();
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}
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class MyHandler implements HttpHandler {
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int callCount = 0;
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boolean shouldRetry;
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public MyHandler(boolean shouldRetry) {
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this.shouldRetry = shouldRetry;
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}
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public void handle(HttpExchange t) throws IOException {
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callCount++;
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if (callCount > 1 && !shouldRetry) {
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// if this bug has been fixed then this method will not be called twice
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// when -Dhttp.retryPost=false
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t.sendResponseHeaders(400, -1); // indicate failure by returning 400
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} else {
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// simply close out the stream without sending any data.
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OutputStream os = t.getResponseBody();
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os.close();
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}
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}
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public int getCallCount() {
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return callCount;
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}
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}
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}
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