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/*
* Copyright (c) 2005, 2021, 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 6262486
* @library /test/lib
* @run main/othervm -Dhttp.keepAlive=false ResponseCacheStream
* @summary COMPATIBILITY: jagex_com - Monkey Puzzle applet fails to load
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.CacheRequest;
import java.net.CacheResponse;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ResponseCache;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executors;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
public class ResponseCacheStream implements HttpHandler {
void okReply (HttpExchange req) throws IOException {
req.sendResponseHeaders(200, 0);
try(PrintWriter pw = new PrintWriter(req.getResponseBody())) {
pw.print("Hello, This is the response body. Let's make it as long as possible since we need to test the cache mechanism.");
}
System.out.println ("Server: sent response");
}
@Override
public void handle(HttpExchange exchange) throws IOException {
okReply(exchange);
exchange.close();
}
static class MyCacheRequest extends CacheRequest {
private OutputStream buf = null;
public MyCacheRequest(OutputStream out) {
buf = out;
}
public OutputStream getBody() throws IOException {
return buf;
}
/**
* Aborts the attempt to cache the response. If an IOException is
* encountered while reading the response or writing to the cache,
* the current cache store operation will be abandoned.
*/
public void abort() {
}
}
static class MyResponseCache extends ResponseCache {
private ByteArrayOutputStream buf = new ByteArrayOutputStream(1024);
public MyResponseCache() {
}
public CacheRequest put(URI uri, URLConnection conn) throws IOException {
return new MyCacheRequest(buf);
}
public CacheResponse get(URI uri, String rqstMethod, Map<String, List<String>> rqstHeaders) throws IOException {
return null;
}
public byte[] getBuffer() {
return buf.toByteArray();
}
}
static HttpServer server;
public static void main(String[] args) throws Exception {
MyResponseCache cache = new MyResponseCache();
try {
InetAddress loopback = InetAddress.getLoopbackAddress();
ResponseCache.setDefault(cache);
server = HttpServer.create(new InetSocketAddress(loopback, 0), 10);
server.createContext("/", new ResponseCacheStream());
server.setExecutor(Executors.newSingleThreadExecutor());
server.start();
System.out.println("Server: listening on port: " + server.getAddress().getPort());
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(server.getAddress().getPort())
.path("/")
.toURL();
System.out.println ("Client: connecting to " + url);
HttpURLConnection urlc = (HttpURLConnection)url.openConnection();
InputStream is = urlc.getInputStream();
System.out.println("is is " + is.getClass() + ". And markSupported: " + is.markSupported());
if (is.markSupported()) {
byte[] b = new byte[1024];
byte[] b2 = new byte[32];
int len;
int count;
is.mark(10);
len = is.read(b, 0, 10);
is.reset();
len = 0;
count = 0;
do {
len = is.read(b, count, 40 - count);
if (len > 0)
count += len;
} while (len > 0);
is.mark(20);
len = is.read(b2, 0, 20);
is.reset();
len = is.read(b, count, 10);
count += len;
is.mark(20);
len = is.read(b2, 0, 20);
is.reset();
do {
len = is.read(b, count, 1024 - count);
if (len > 0)
count += len;
} while (len > 0);
is.close();
String s1 = new String(b, 0 , count);
String s2 = new String(cache.getBuffer(), 0 , count);
if (! s1.equals(s2))
throw new RuntimeException("cache got corrupted!");
}
} catch (Exception e) {
if (server != null) {
server.stop(1);
}
throw e;
}
server.stop(1);
}
}
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