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/*
* Copyright (c) 2023, 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 8219083
* @summary HttpExchange.getResponseBody write and close should not throw
* even when response length is zero
* @library /test/lib
* @run junit ZeroLengthOutputStream
*/
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import java.util.concurrent.CountDownLatch;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;
import java.util.logging.StreamHandler;
import static org.junit.jupiter.api.Assertions.*;
public class ZeroLengthOutputStream
{
public static final Logger LOGGER = Logger.getLogger("com.sun.net.httpserver");
public volatile boolean closed;
public CountDownLatch cdl = new CountDownLatch(1);
@Test
void test() throws IOException, InterruptedException {
HttpServer httpServer = startHttpServer();
int port = httpServer.getAddress().getPort();
try {
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(port)
.path("/flis/")
.toURLUnchecked();
HttpURLConnection uc = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY);
uc.getResponseCode();
cdl.await();
assertTrue(closed, "OutputStream close did not complete");
} finally {
httpServer.stop(0);
}
}
/**
* Http Server
*/
HttpServer startHttpServer() throws IOException {
Handler outHandler = new StreamHandler(System.out,
new SimpleFormatter());
outHandler.setLevel(Level.FINEST);
LOGGER.setLevel(Level.FINEST);
LOGGER.addHandler(outHandler);
InetAddress loopback = InetAddress.getLoopbackAddress();
HttpServer httpServer = HttpServer.create(new InetSocketAddress(loopback, 0), 0);
httpServer.createContext("/flis/", new MyHandler());
httpServer.start();
return httpServer;
}
class MyHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
try {
OutputStream os = t.getResponseBody();
t.sendResponseHeaders(200, -1);
os.write(new byte[0]);
os.close();
System.out.println("Output stream closed");
closed = true;
} finally {
cdl.countDown();
}
}
}
}
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