NoCache.java revision 14606:bc3775e25b52 
1/*
2 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 7133367
27 * @modules jdk.httpserver
28 * @summary ResponseCache.put should not be called when setUseCaches(false)
29 */
30
31import java.net.*;
32import java.io.IOException;
33import java.util.List;
34import java.util.Map;
35import com.sun.net.httpserver.HttpExchange;
36import com.sun.net.httpserver.HttpHandler;
37import com.sun.net.httpserver.HttpServer;
38
39public class NoCache
40{
41    public static void main(String[] args) throws IOException {
42        ResponseCache.setDefault(new ThrowingCache());
43
44        HttpServer server = startHttpServer();
45        try {
46            URL url = new URL("http://" + InetAddress.getLocalHost().getHostAddress()
47                          + ":" + server.getAddress().getPort() + "/NoCache/");
48            URLConnection uc = url.openConnection();
49            uc.setUseCaches(false);
50            uc.getInputStream().close();
51        } finally {
52            server.stop(0);
53            // clear the system-wide cache handler, samevm/agentvm mode
54            ResponseCache.setDefault(null);
55        }
56    }
57
58    static class ThrowingCache extends ResponseCache {
59        @Override
60        public CacheResponse get(URI uri, String rqstMethod,
61                                 Map<String,List<String>> rqstHeaders) {
62            throw new RuntimeException("ResponseCache.get should not be called");
63        }
64
65        @Override
66        public CacheRequest put(URI uri, URLConnection conn) {
67            throw new RuntimeException("ResponseCache.put should not be called");
68        }
69    }
70
71    // HTTP Server
72    static HttpServer startHttpServer() throws IOException {
73        HttpServer httpServer = HttpServer.create(new InetSocketAddress(0), 0);
74        httpServer.createContext("/NoCache/", new SimpleHandler());
75        httpServer.start();
76        return httpServer;
77    }
78
79    static class SimpleHandler implements HttpHandler {
80        @Override
81        public void handle(HttpExchange t) throws IOException {
82            t.sendResponseHeaders(200, -1);
83            t.close();
84        }
85    }
86}
87