/*
* Copyright ( c ) 2007 , 2022 , 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 .
*
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*/
/*
* @ test
* @ modules java . base / sun . net . www . protocol . file
* @ bug 5052093
* @ library / test / lib
* @ run main / othervm B5052093
* @ summary URLConnection doesn ' t support large files
*/
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.Executors;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import static java.net.Proxy.NO_PROXY;
import jdk.test.lib.net.URIBuilder;
import sun.net.www.protocol.file.FileURLConnection;
public class B5052093 {
private static HttpServer server;
static long testSize = ((long ) (Integer.MAX_VALUE)) + 2 ;
public static class LargeFile extends File {
public LargeFile() {
super ("/dev/zero" );
}
public long length() {
return testSize;
}
}
public static class LargeFileURLConnection extends FileURLConnection {
public LargeFileURLConnection(LargeFile f) throws IOException {
super (new URL("file:///dev/zero"), f);
}
}
public static void main(String[] args) throws Exception {
InetAddress loopback = InetAddress.getLoopbackAddress();
server = HttpServer.create(new InetSocketAddress(loopback, 0 ), 10 , "/" , new B5052093Handler());
server.setExecutor(Executors.newSingleThreadExecutor());
server.start();
try {
URL url = URIBuilder.newBuilder()
.scheme("http" )
.loopback()
.port(server.getAddress().getPort())
.path("/foo" )
.build().toURL();
URLConnection conn = url.openConnection(NO_PROXY);
int i = conn.getContentLength();
long l = conn.getContentLengthLong();
if (i != -1 || l != testSize) {
System.out.println("conn.getContentLength = " + i);
System.out.println("conn.getContentLengthLong = " + l);
System.out.println("testSize = " + testSize);
throw new RuntimeException("Wrong content-length from http" );
}
URLConnection fu = new LargeFileURLConnection(new LargeFile());
i = fu.getContentLength();
l = fu.getContentLengthLong();
if (i != -1 || l != testSize) {
System.out.println("fu.getContentLength = " + i);
System.out.println("fu.getContentLengthLong = " + l);
System.out.println("testSize = " + testSize);
throw new RuntimeException("Wrong content-length from file" );
}
} finally {
server.stop(1 );
}
}
}
class B5052093Handler implements HttpHandler {
@Override
public void handle(HttpExchange exchange) throws IOException {
try {
exchange.getResponseHeaders().set("content-length" , Long .toString(B5052093.testSize));
exchange.sendResponseHeaders(200 , 0 );
exchange.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
Messung V0.5 in Prozent C=97 H=90 G=93
¤ Dauer der Verarbeitung: 0.19 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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