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* 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
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* 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
* @ bug 8011719
* @ library / test / lib
* @ modules jdk . httpserver
* @ 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.*;
import jdk.test.lib.net.URIBuilder;
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);
}
String constructUrlString(int port, String path) throws Exception {
return URIBuilder.newBuilder()
.scheme("http" )
.port(port)
.loopback()
.path(path)
.toURL().toString();
}
void test() throws Exception {
HttpServer server = null ;
try {
server = startHttpServer();
int serverPort = server.getAddress().getPort();
client(constructUrlString(serverPort, "/chunked/" ));
client(constructUrlString(serverPort, "/fixed/" ));
client(constructUrlString(serverPort, "/error/" ));
client(constructUrlString(serverPort, "/chunkedError/" ));
// Test with a response cache
ResponseCache ch = ResponseCache.getDefault();
ResponseCache.setDefault(new TrivialCacheHandler());
try {
client(constructUrlString(serverPort, "/chunked/" ));
client(constructUrlString(serverPort, "/fixed/" ));
client(constructUrlString(serverPort, "/error/" ));
client(constructUrlString(serverPort, "/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();
httpServer.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 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++; }
}
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