/*
* Copyright (c) 2013, 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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* questions.
*/
/**
* @test
* @bug 8011719
* @summary Basic checks to verify behavior of returned input streams
*/
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import java.io.*;
import java.net.*;
import java.nio.charset.StandardCharsets;
import java.util.*;
public class HttpStreams {
void client(String u) throws Exception {
byte[] ba = new byte[5];
HttpURLConnection urlc = (HttpURLConnection)(new URL(u)).openConnection();
int resp = urlc.getResponseCode();
InputStream is;
if (resp == 200)
is = urlc.getInputStream();
else
is = urlc.getErrorStream();
expectNoThrow(() -> { is.read(); }, "read on open stream should not throw :" + u);
expectNoThrow(() -> { is.close(); }, "close should never throw: " + u);
expectNoThrow(() -> { is.close(); }, "close should never throw: " + u);
expectThrow(() -> { is.read(); }, "read on closed stream should throw: " + u);
expectThrow(() -> { is.read(ba); }, "read on closed stream should throw: " + u);
expectThrow(() -> { is.read(ba, 0, 2); }, "read on closed stream should throw: " + u);
}
void test() throws Exception {
HttpServer server = null;
try {
server = startHttpServer();
String baseUrl = "http://localhost:" + server.getAddress().getPort() + "/";
client(baseUrl + "chunked/");
client(baseUrl + "fixed/");
client(baseUrl + "error/");
client(baseUrl + "chunkedError/");
// Test with a response cache
ResponseCache ch = ResponseCache.getDefault();
ResponseCache.setDefault(new TrivialCacheHandler());
try {
client(baseUrl + "chunked/");
client(baseUrl + "fixed/");
client(baseUrl + "error/");
client(baseUrl + "chunkedError/");
} finally {
ResponseCache.setDefault(ch);
}
} finally {
if (server != null)
server.stop(0);
}
System.out.println("passed: " + pass + ", failed: " + fail);
if (fail > 0)
throw new RuntimeException("some tests failed check output");
}
public static void main(String[] args) throws Exception {
(new HttpStreams()).test();
}
// HTTP Server
HttpServer startHttpServer() throws IOException {
HttpServer httpServer = HttpServer.create(new InetSocketAddress(0), 0);
httpServer.createContext("/chunked/", new ChunkedHandler());
httpServer.createContext("/fixed/", new FixedHandler());
httpServer.createContext("/error/", new ErrorHandler());
httpServer.createContext("/chunkedError/", new ChunkedErrorHandler());
httpServer.start();
return httpServer;
}
static abstract class AbstractHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
try (InputStream is = t.getRequestBody()) {
while (is.read() != -1);
}
t.sendResponseHeaders(respCode(), length());
try (OutputStream os = t.getResponseBody()) {
os.write(message());
}
t.close();
}
abstract int respCode();
abstract int length();
abstract byte[] message();
}
static class ChunkedHandler extends AbstractHandler {
static final byte[] ba =
"Hello there from chunked handler!".getBytes(StandardCharsets.US_ASCII);
int respCode() { return 200; }
int length() { return 0; }
byte[] message() { return ba; }
}
static class FixedHandler extends AbstractHandler {
static final byte[] ba =
"Hello there from fixed handler!".getBytes(StandardCharsets.US_ASCII);
int respCode() { return 200; }
int length() { return ba.length; }
byte[] message() { return ba; }
}
static class ErrorHandler extends AbstractHandler {
static final byte[] ba =
"This is an error mesg from the server!".getBytes(StandardCharsets.US_ASCII);
int respCode() { return 400; }
int length() { return ba.length; }
byte[] message() { return ba; }
}
static class ChunkedErrorHandler extends ErrorHandler {
int length() { return 0; }
}
static class TrivialCacheHandler extends ResponseCache
{
public CacheResponse get(URI uri, String rqstMethod, Map rqstHeaders) {
return null;
}
public CacheRequest put(URI uri, URLConnection conn) {
return new TrivialCacheRequest();
}
}
static class TrivialCacheRequest extends CacheRequest
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
public void abort() {}
public OutputStream getBody() throws IOException { return baos; }
}
static interface ThrowableRunnable {
void run() throws IOException;
}
void expectThrow(ThrowableRunnable r, String msg) {
try { r.run(); fail(msg); } catch (IOException x) { pass(); }
}
void expectNoThrow(ThrowableRunnable r, String msg) {
try { r.run(); pass(); } catch (IOException x) { fail(msg, x); }
}
private int pass;
private int fail;
void pass() { pass++; }
void fail(String msg, Exception x) { System.out.println(msg); x.printStackTrace(); fail++; }
void fail(String msg) { System.out.println(msg); Thread.dumpStack(); fail++; }
}