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 
  33 import java.net.*;
  34 import java.io.*;
  35 import java.util.*;
  36 
  37 public 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 }