ResponseCacheStream.java revision 6073:cea72c2bf071 
1/*
2 * Copyright (c) 2005, 2012, 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 6262486
27 * @library ../../httptest/
28 * @build HttpCallback TestHttpServer ClosedChannelList HttpTransaction
29 * @run main/othervm -Dhttp.keepAlive=false ResponseCacheStream
30 * @summary COMPATIBILITY: jagex_com - Monkey Puzzle applet fails to load
31 */
32
33import java.net.*;
34import java.io.*;
35import java.util.*;
36
37public class ResponseCacheStream implements HttpCallback {
38
39    void okReply (HttpTransaction req) throws IOException {
40        req.setResponseEntityBody ("Hello, This is the response body. Let's make it as long as possible since we need to test the cache mechanism.");
41        req.sendResponse (200, "Ok");
42            System.out.println ("Server: sent response");
43        req.orderlyClose();
44    }
45
46    public void request (HttpTransaction req) {
47        try {
48            okReply (req);
49        } catch (IOException e) {
50            e.printStackTrace();
51        }
52    }
53
54    static class MyCacheRequest extends CacheRequest {
55        private OutputStream buf = null;
56
57        public MyCacheRequest(OutputStream out) {
58            buf = out;
59        }
60
61        public OutputStream getBody() throws IOException {
62            return buf;
63        }
64
65        /**
66         * Aborts the attempt to cache the response. If an IOException is
67         * encountered while reading the response or writing to the cache,
68         * the current cache store operation will be abandoned.
69         */
70        public void abort() {
71        }
72
73    }
74
75    static class MyResponseCache extends ResponseCache {
76        private ByteArrayOutputStream buf = new ByteArrayOutputStream(1024);
77
78        public MyResponseCache() {
79        }
80
81        public CacheRequest put(URI uri, URLConnection conn) throws IOException {
82            return new MyCacheRequest(buf);
83        }
84
85        public CacheResponse get(URI uri, String rqstMethod, Map<String, List<String>> rqstHeaders) throws IOException {
86            return null;
87        }
88
89        public byte[] getBuffer() {
90            return buf.toByteArray();
91        }
92    }
93
94    static TestHttpServer server;
95
96    public static void main(String[] args) throws Exception {
97        MyResponseCache cache = new MyResponseCache();
98        try {
99            ResponseCache.setDefault(cache);
100            server = new TestHttpServer (new ResponseCacheStream());
101            System.out.println ("Server: listening on port: " + server.getLocalPort());
102            URL url = new URL ("http://127.0.0.1:"+server.getLocalPort()+"/");
103            System.out.println ("Client: connecting to " + url);
104            HttpURLConnection urlc = (HttpURLConnection)url.openConnection();
105            InputStream is = urlc.getInputStream();
106            System.out.println("is is " + is.getClass() + ". And markSupported: " + is.markSupported());
107            if (is.markSupported()) {
108                byte[] b = new byte[1024];
109                byte[] b2 = new byte[32];
110                int len;
111                int count;
112                is.mark(10);
113                len = is.read(b, 0, 10);
114                is.reset();
115                len = 0;
116                count = 0;
117                do {
118                    len = is.read(b, count, 40 - count);
119                    if (len > 0)
120                        count += len;
121                } while (len > 0);
122                is.mark(20);
123                len = is.read(b2, 0, 20);
124                is.reset();
125                len = is.read(b, count, 10);
126                count += len;
127                is.mark(20);
128                len = is.read(b2, 0, 20);
129                is.reset();
130                do {
131                    len = is.read(b, count, 1024 - count);
132                    if (len > 0)
133                        count += len;
134                } while (len > 0);
135                is.close();
136                String s1 = new String(b, 0 , count);
137                String s2 = new String(cache.getBuffer(), 0 , count);
138                if (! s1.equals(s2))
139                    throw new RuntimeException("cache got corrupted!");
140            }
141        } catch (Exception e) {
142            if (server != null) {
143                server.terminate();
144            }
145            throw e;
146        }
147        server.terminate();
148    }
149}
150