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/*
* Copyright (c) 2020, 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 8241389
* @summary URLConnection::getHeaderFields returns result inconsistent with getHeaderField/Key for FileURLConnection, FtpURLConnection
*/
import java.net.*;
import java.io.*;
import java.util.*;
public class GetHeaderFields {
public static void main(String[] args) {
HashMap<String,List<String>> map1 = new HashMap<>();
Map<String,List<String>> headers = null;
try {
File f = File.createTempFile("test", null);
f.deleteOnExit();
String s = f.getAbsolutePath();
s = s.startsWith("/") ? s : "/" + s;
URL url = new URL("file://localhost"+s);
URLConnection urlc = url.openConnection();
InputStream in = urlc.getInputStream();
headers = urlc.getHeaderFields();
Set<String> keys = headers.keySet();
int i = 0;
while (true) {
String key = urlc.getHeaderFieldKey(i);
if (key == null)
break;
String val = urlc.getHeaderField(i);
putValue(map1,key,val);
i++;
}
System.out.println("headers = " + headers.toString());
System.out.println("map1 = " + map1.toString());
in.close();
} catch (java.io.FileNotFoundException fnfe) {
throw new RuntimeException("failed to recognize localhost");
} catch (Exception ex) {
throw new RuntimeException("Unexpected exception: " + ex);
}
if (!map1.equals(headers)) {
throw new RuntimeException("headers != map1");
}
// check connection to non-existent resource returns
// an empty map
URLConnection urlc = null;
try {
URL url = new URL("file:///dev/non/existing/ABCD/123/foobar/sqisjjlk");
urlc = url.openConnection();
urlc.getInputStream();
} catch (IOException e) {}
headers = urlc.getHeaderFields();
if (headers == null) {
throw new RuntimeException("expected empty map");
}
if (!headers.isEmpty()) {
throw new RuntimeException("expected empty map");
}
}
static void putValue(HashMap<String,List<String>> map, String key, String val) {
List<String> l = map.get(key);
if (l == null) {
l = new LinkedList<String>();
map.put(key, l);
}
l.add(val);
}
}
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