1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* Copyright (c) 1999, 2019, 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 4213164 8172253
* @library /test/lib
* @summary setIfModifiedSince method in HttpURLConnection sometimes fails
*/
import java.util.*;
import java.io.*;
import java.net.*;
import jdk.test.lib.net.URIBuilder;
public class SetIfModifiedSince implements Runnable {
ServerSocket serverSock;
public void run() {
try {
Socket s = serverSock.accept();
InputStream in = s.getInputStream();
byte b[] = new byte[4096];
// assume we read the entire http request
// (bad assumption but okay for test case)
int nread = in.read(b);
// check the date format by the position of the comma
String request = new String(b, 0, nread);
int pos = request.indexOf("If-Modified-Since:");
int respCode = 200;
if (pos != -1) {
pos += "If-Modified-Since:".length() + 4;
if (pos < nread) {
if (request.charAt(pos) == (char)',') {
respCode = 304;
}
}
}
OutputStream o = s.getOutputStream();
if (respCode == 304) {
o.write( "HTTP/1.1 304 Not Modified".getBytes() );
} else {
o.write( "HTTP/1.1 200 OK".getBytes() );
}
o.write( (byte)'\r' );
o.write( (byte)'\n' );
o.write( (byte)'\r' );
o.write( (byte)'\n' );
o.flush();
} catch (Exception e) { }
}
public SetIfModifiedSince() throws Exception {
serverSock = new ServerSocket();
serverSock.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
int port = serverSock.getLocalPort();
Thread thr = new Thread(this);
thr.start();
Date date = new Date(new Date().getTime()-1440000); // this time yesterday
URL url;
HttpURLConnection con;
//url = new URL(args[0]);
url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(port)
.path("/anything")
.toURL();
con = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY);
con.setIfModifiedSince(date.getTime());
con.connect();
int ret = con.getResponseCode();
if (ret == 304) {
System.out.println("Success!");
} else {
throw new RuntimeException("Test failed! Http return code using setIfModified method is:"+ret+"\nNOTE:some web servers are not implemented according to RFC, thus a failed test does not necessarily indicate a bug in setIfModifiedSince method");
}
}
public static void main(String args[]) throws Exception {
new SetIfModifiedSince();
}
}
|
