| /* |
| * Copyright (c) 2006, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 6427251 6382788 |
| * @modules jdk.httpserver |
| * @run main RetryPost |
| * @run main/othervm -Dsun.net.http.retryPost=false RetryPost noRetry |
| * @summary HttpURLConnection automatically retries non-idempotent method POST |
| */ |
| |
| import com.sun.net.httpserver.HttpContext; |
| import com.sun.net.httpserver.HttpExchange; |
| import com.sun.net.httpserver.HttpHandler; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.HttpURLConnection; |
| import java.net.InetSocketAddress; |
| import java.net.Proxy; |
| import java.net.SocketException; |
| import java.net.URL; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ExecutorService; |
| |
| public class RetryPost |
| { |
| static boolean shouldRetry = true; |
| |
| com.sun.net.httpserver.HttpServer httpServer; |
| MyHandler httpHandler; |
| ExecutorService executorService; |
| |
| public static void main(String[] args) { |
| if (args.length == 1 && args[0].equals("noRetry")) |
| shouldRetry = false; |
| |
| new RetryPost(); |
| } |
| |
| public RetryPost() { |
| try { |
| startHttpServer(shouldRetry); |
| doClient(); |
| } catch (IOException ioe) { |
| System.err.println(ioe); |
| } |
| } |
| |
| void doClient() { |
| try { |
| InetSocketAddress address = httpServer.getAddress(); |
| URL url = new URL("http://localhost:" + address.getPort() + "/test/"); |
| HttpURLConnection uc = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY); |
| uc.setDoOutput(true); |
| uc.setRequestMethod("POST"); |
| uc.getResponseCode(); |
| |
| // if we reach here then we have failed |
| throw new RuntimeException("Failed: POST request being retried"); |
| |
| } catch (SocketException se) { |
| // this is what we expect to happen and is OK. |
| if (shouldRetry && httpHandler.getCallCount() != 2) |
| throw new RuntimeException("Failed: Handler should have been called twice. " + |
| "It was called "+ httpHandler.getCallCount() + " times"); |
| else if (!shouldRetry && httpHandler.getCallCount() != 1) |
| throw new RuntimeException("Failed: Handler should have only been called once" + |
| "It was called "+ httpHandler.getCallCount() + " times"); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } finally { |
| httpServer.stop(1); |
| executorService.shutdown(); |
| } |
| } |
| |
| /** |
| * Http Server |
| */ |
| public void startHttpServer(boolean shouldRetry) throws IOException { |
| httpServer = com.sun.net.httpserver.HttpServer.create(new InetSocketAddress(0), 0); |
| httpHandler = new MyHandler(shouldRetry); |
| |
| HttpContext ctx = httpServer.createContext("/test/", httpHandler); |
| |
| executorService = Executors.newCachedThreadPool(); |
| httpServer.setExecutor(executorService); |
| httpServer.start(); |
| } |
| |
| class MyHandler implements HttpHandler { |
| int callCount = 0; |
| boolean shouldRetry; |
| |
| public MyHandler(boolean shouldRetry) { |
| this.shouldRetry = shouldRetry; |
| } |
| |
| public void handle(HttpExchange t) throws IOException { |
| callCount++; |
| |
| if (callCount > 1 && !shouldRetry) { |
| // if this bug has been fixed then this method will not be called twice |
| // when -Dhttp.retryPost=false |
| t.sendResponseHeaders(400, -1); // indicate failure by returning 400 |
| } else { |
| // simply close out the stream without sending any data. |
| OutputStream os = t.getResponseBody(); |
| os.close(); |
| } |
| } |
| |
| public int getCallCount() { |
| return callCount; |
| } |
| } |
| |
| } |