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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import com.sun.net.httpserver.Filter;
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import com.sun.net.httpserver.Headers;
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import com.sun.net.httpserver.HttpContext;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import com.sun.net.httpserver.HttpServer;
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import jdk.internal.net.http.common.HttpHeadersBuilder;
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import java.net.InetAddress;
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import java.io.ByteArrayInputStream;
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import java.net.http.HttpClient.Version;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.PrintStream;
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import java.io.UncheckedIOException;
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import java.math.BigInteger;
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import java.net.InetSocketAddress;
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import java.net.URI;
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import java.net.http.HttpHeaders;
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import java.util.List;
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import java.util.ListIterator;
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import java.util.Map;
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import java.util.Optional;
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import java.util.Set;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.stream.Stream;
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/**
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* Defines an adaptation layers so that a test server handlers and filters
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* can be implemented independently of the underlying server version.
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* <p>
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* For instance:
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* <pre>{@code
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*
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* URI http1URI, http2URI;
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*
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* InetSocketAddress sa = new InetSocketAddress(InetAddress.getLoopbackAddress(), 0);
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* HttpTestServer server1 = HttpTestServer.of(HttpServer.create(sa, 0));
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* HttpTestContext context = server.addHandler(new HttpTestEchoHandler(), "/http1/echo");
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* http2URI = "http://localhost:" + server1.getAddress().getPort() + "/http1/echo";
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*
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* Http2TestServer http2TestServer = new Http2TestServer("localhost", false, 0);
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* HttpTestServer server2 = HttpTestServer.of(http2TestServer);
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* server2.addHandler(new HttpTestEchoHandler(), "/http2/echo");
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* http1URI = "http://localhost:" + server2.getAddress().getPort() + "/http2/echo";
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*
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* }</pre>
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*/
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public interface HttpServerAdapters {
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static final boolean PRINTSTACK =
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Boolean.getBoolean("jdk.internal.httpclient.debug");
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static void uncheckedWrite(ByteArrayOutputStream baos, byte[] ba) {
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try {
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baos.write(ba);
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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}
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static void printBytes(PrintStream out, String prefix, byte[] bytes) {
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int padding = 4 + 4 - (bytes.length % 4);
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padding = padding > 4 ? padding - 4 : 4;
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byte[] bigbytes = new byte[bytes.length + padding];
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System.arraycopy(bytes, 0, bigbytes, padding, bytes.length);
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out.println(prefix + bytes.length + " "
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+ new BigInteger(bigbytes).toString(16));
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}
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/**
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* A version agnostic adapter class for HTTP request Headers.
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*/
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public static abstract class HttpTestRequestHeaders {
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public abstract Optional<String> firstValue(String name);
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public abstract Set<String> keySet();
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public abstract Set<Map.Entry<String, List<String>>> entrySet();
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public abstract List<String> get(String name);
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public abstract boolean containsKey(String name);
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public static HttpTestRequestHeaders of(Headers headers) {
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return new Http1TestRequestHeaders(headers);
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}
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public static HttpTestRequestHeaders of(HttpHeaders headers) {
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return new Http2TestRequestHeaders(headers);
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}
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private static final class Http1TestRequestHeaders extends HttpTestRequestHeaders {
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private final Headers headers;
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Http1TestRequestHeaders(Headers h) { this.headers = h; }
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@Override
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public Optional<String> firstValue(String name) {
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if (headers.containsKey(name)) {
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return Optional.ofNullable(headers.getFirst(name));
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}
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return Optional.empty();
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}
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@Override
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public Set<String> keySet() { return headers.keySet(); }
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@Override
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public Set<Map.Entry<String, List<String>>> entrySet() {
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return headers.entrySet();
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}
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@Override
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public List<String> get(String name) {
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return headers.get(name);
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}
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@Override
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public boolean containsKey(String name) {
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return headers.containsKey(name);
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}
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}
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private static final class Http2TestRequestHeaders extends HttpTestRequestHeaders {
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private final HttpHeaders headers;
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Http2TestRequestHeaders(HttpHeaders h) { this.headers = h; }
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@Override
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public Optional<String> firstValue(String name) {
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return headers.firstValue(name);
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}
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@Override
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public Set<String> keySet() { return headers.map().keySet(); }
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@Override
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public Set<Map.Entry<String, List<String>>> entrySet() {
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return headers.map().entrySet();
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}
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@Override
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public List<String> get(String name) {
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return headers.allValues(name);
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}
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@Override
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public boolean containsKey(String name) {
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return headers.firstValue(name).isPresent();
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}
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}
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}
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/**
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* A version agnostic adapter class for HTTP response Headers.
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*/
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public static abstract class HttpTestResponseHeaders {
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public abstract void addHeader(String name, String value);
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public static HttpTestResponseHeaders of(Headers headers) {
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return new Http1TestResponseHeaders(headers);
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}
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public static HttpTestResponseHeaders of(HttpHeadersBuilder headersBuilder) {
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return new Http2TestResponseHeaders(headersBuilder);
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}
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private final static class Http1TestResponseHeaders extends HttpTestResponseHeaders {
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private final Headers headers;
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Http1TestResponseHeaders(Headers h) { this.headers = h; }
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@Override
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public void addHeader(String name, String value) {
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headers.add(name, value);
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}
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}
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private final static class Http2TestResponseHeaders extends HttpTestResponseHeaders {
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private final HttpHeadersBuilder headersBuilder;
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Http2TestResponseHeaders(HttpHeadersBuilder hb) { this.headersBuilder = hb; }
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@Override
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public void addHeader(String name, String value) {
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headersBuilder.addHeader(name, value);
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}
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}
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}
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/**
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* A version agnostic adapter class for HTTP Server Exchange.
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*/
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public static abstract class HttpTestExchange {
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public abstract Version getServerVersion();
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public abstract Version getExchangeVersion();
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public abstract InputStream getRequestBody();
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public abstract OutputStream getResponseBody();
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public abstract HttpTestRequestHeaders getRequestHeaders();
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public abstract HttpTestResponseHeaders getResponseHeaders();
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public abstract void sendResponseHeaders(int code, int contentLength) throws IOException;
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public abstract URI getRequestURI();
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public abstract String getRequestMethod();
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public abstract void close();
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public void serverPush(URI uri, HttpHeaders headers, byte[] body) {
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ByteArrayInputStream bais = new ByteArrayInputStream(body);
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serverPush(uri, headers, bais);
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}
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public void serverPush(URI uri, HttpHeaders headers, InputStream body) {
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throw new UnsupportedOperationException("serverPush with " + getExchangeVersion());
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}
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public boolean serverPushAllowed() {
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return false;
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}
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public static HttpTestExchange of(HttpExchange exchange) {
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return new Http1TestExchange(exchange);
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}
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public static HttpTestExchange of(Http2TestExchange exchange) {
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return new Http2TestExchangeImpl(exchange);
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}
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abstract void doFilter(Filter.Chain chain) throws IOException;
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// implementations...
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private static final class Http1TestExchange extends HttpTestExchange {
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private final HttpExchange exchange;
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Http1TestExchange(HttpExchange exch) {
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this.exchange = exch;
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}
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@Override
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public Version getServerVersion() { return Version.HTTP_1_1; }
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@Override
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public Version getExchangeVersion() { return Version.HTTP_1_1; }
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@Override
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public InputStream getRequestBody() {
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return exchange.getRequestBody();
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}
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@Override
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public OutputStream getResponseBody() {
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return exchange.getResponseBody();
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}
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@Override
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public HttpTestRequestHeaders getRequestHeaders() {
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return HttpTestRequestHeaders.of(exchange.getRequestHeaders());
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}
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@Override
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public HttpTestResponseHeaders getResponseHeaders() {
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return HttpTestResponseHeaders.of(exchange.getResponseHeaders());
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}
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@Override
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public void sendResponseHeaders(int code, int contentLength) throws IOException {
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if (contentLength == 0) contentLength = -1;
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else if (contentLength < 0) contentLength = 0;
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exchange.sendResponseHeaders(code, contentLength);
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}
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@Override
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void doFilter(Filter.Chain chain) throws IOException {
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chain.doFilter(exchange);
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}
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@Override
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public void close() { exchange.close(); }
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@Override
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public URI getRequestURI() { return exchange.getRequestURI(); }
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@Override
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public String getRequestMethod() { return exchange.getRequestMethod(); }
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@Override
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public String toString() {
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return this.getClass().getSimpleName() + ": " + exchange.toString();
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}
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}
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private static final class Http2TestExchangeImpl extends HttpTestExchange {
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private final Http2TestExchange exchange;
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Http2TestExchangeImpl(Http2TestExchange exch) {
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this.exchange = exch;
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}
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@Override
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public Version getServerVersion() { return Version.HTTP_2; }
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@Override
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public Version getExchangeVersion() { return Version.HTTP_2; }
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@Override
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public InputStream getRequestBody() {
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return exchange.getRequestBody();
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}
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@Override
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public OutputStream getResponseBody() {
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return exchange.getResponseBody();
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}
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@Override
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public HttpTestRequestHeaders getRequestHeaders() {
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return HttpTestRequestHeaders.of(exchange.getRequestHeaders());
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}
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@Override
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public HttpTestResponseHeaders getResponseHeaders() {
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return HttpTestResponseHeaders.of(exchange.getResponseHeaders());
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}
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@Override
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public void sendResponseHeaders(int code, int contentLength) throws IOException {
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if (contentLength == 0) contentLength = -1;
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else if (contentLength < 0) contentLength = 0;
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exchange.sendResponseHeaders(code, contentLength);
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}
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@Override
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public boolean serverPushAllowed() {
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return exchange.serverPushAllowed();
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}
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@Override
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public void serverPush(URI uri, HttpHeaders headers, InputStream body) {
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exchange.serverPush(uri, headers, body);
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}
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void doFilter(Filter.Chain filter) throws IOException {
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throw new IOException("cannot use HTTP/1.1 filter with HTTP/2 server");
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}
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@Override
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public void close() { exchange.close();}
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@Override
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public URI getRequestURI() { return exchange.getRequestURI(); }
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@Override
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public String getRequestMethod() { return exchange.getRequestMethod(); }
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@Override
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public String toString() {
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return this.getClass().getSimpleName() + ": " + exchange.toString();
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}
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}
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}
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/**
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* A version agnostic adapter class for HTTP Server Handlers.
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*/
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public interface HttpTestHandler {
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void handle(HttpTestExchange t) throws IOException;
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default HttpHandler toHttpHandler() {
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return (t) -> doHandle(HttpTestExchange.of(t));
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}
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default Http2Handler toHttp2Handler() {
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return (t) -> doHandle(HttpTestExchange.of(t));
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}
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private void doHandle(HttpTestExchange t) throws IOException {
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try {
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handle(t);
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} catch (Throwable x) {
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System.out.println("WARNING: exception caught in HttpTestHandler::handle " + x);
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System.err.println("WARNING: exception caught in HttpTestHandler::handle " + x);
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if (PRINTSTACK && !expectException(t)) x.printStackTrace(System.out);
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throw x;
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}
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}
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}
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public static class HttpTestEchoHandler implements HttpTestHandler {
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@Override
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public void handle(HttpTestExchange t) throws IOException {
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try (InputStream is = t.getRequestBody();
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OutputStream os = t.getResponseBody()) {
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byte[] bytes = is.readAllBytes();
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printBytes(System.out,"Echo server got "
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+ t.getExchangeVersion() + " bytes: ", bytes);
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if (t.getRequestHeaders().firstValue("Content-type").isPresent()) {
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t.getResponseHeaders().addHeader("Content-type",
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t.getRequestHeaders().firstValue("Content-type").get());
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}
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t.sendResponseHeaders(200, bytes.length);
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os.write(bytes);
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}
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}
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}
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public static boolean expectException(HttpTestExchange e) {
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HttpTestRequestHeaders h = e.getRequestHeaders();
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Optional<String> expectException = h.firstValue("X-expect-exception");
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if (expectException.isPresent()) {
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return expectException.get().equalsIgnoreCase("true");
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}
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return false;
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}
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/**
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* A version agnostic adapter class for HTTP Server Filter Chains.
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*/
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public abstract class HttpChain {
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public abstract void doFilter(HttpTestExchange exchange) throws IOException;
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public static HttpChain of(Filter.Chain chain) {
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return new Http1Chain(chain);
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}
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public static HttpChain of(List<HttpTestFilter> filters, HttpTestHandler handler) {
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return new Http2Chain(filters, handler);
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}
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private static class Http1Chain extends HttpChain {
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final Filter.Chain chain;
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Http1Chain(Filter.Chain chain) {
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this.chain = chain;
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}
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@Override
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public void doFilter(HttpTestExchange exchange) throws IOException {
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try {
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exchange.doFilter(chain);
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} catch (Throwable t) {
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System.out.println("WARNING: exception caught in Http1Chain::doFilter " + t);
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412 |
System.err.println("WARNING: exception caught in Http1Chain::doFilter " + t);
|
|
413 |
if (PRINTSTACK && !expectException(exchange)) t.printStackTrace(System.out);
|
|
414 |
throw t;
|
|
415 |
}
|
|
416 |
}
|
|
417 |
}
|
|
418 |
|
|
419 |
private static class Http2Chain extends HttpChain {
|
|
420 |
ListIterator<HttpTestFilter> iter;
|
|
421 |
HttpTestHandler handler;
|
|
422 |
Http2Chain(List<HttpTestFilter> filters, HttpTestHandler handler) {
|
|
423 |
this.iter = filters.listIterator();
|
|
424 |
this.handler = handler;
|
|
425 |
}
|
|
426 |
@Override
|
|
427 |
public void doFilter(HttpTestExchange exchange) throws IOException {
|
|
428 |
try {
|
|
429 |
if (iter.hasNext()) {
|
|
430 |
iter.next().doFilter(exchange, this);
|
|
431 |
} else {
|
|
432 |
handler.handle(exchange);
|
|
433 |
}
|
|
434 |
} catch (Throwable t) {
|
|
435 |
System.out.println("WARNING: exception caught in Http2Chain::doFilter " + t);
|
|
436 |
System.err.println("WARNING: exception caught in Http2Chain::doFilter " + t);
|
|
437 |
if (PRINTSTACK && !expectException(exchange)) t.printStackTrace(System.out);
|
|
438 |
throw t;
|
|
439 |
}
|
|
440 |
}
|
|
441 |
}
|
|
442 |
|
|
443 |
}
|
|
444 |
|
|
445 |
/**
|
|
446 |
* A version agnostic adapter class for HTTP Server Filters.
|
|
447 |
*/
|
|
448 |
public abstract class HttpTestFilter {
|
|
449 |
|
|
450 |
public abstract String description();
|
|
451 |
|
|
452 |
public abstract void doFilter(HttpTestExchange exchange, HttpChain chain) throws IOException;
|
|
453 |
|
|
454 |
public Filter toFilter() {
|
|
455 |
return new Filter() {
|
|
456 |
@Override
|
|
457 |
public void doFilter(HttpExchange exchange, Chain chain) throws IOException {
|
|
458 |
HttpTestFilter.this.doFilter(HttpTestExchange.of(exchange), HttpChain.of(chain));
|
|
459 |
}
|
|
460 |
@Override
|
|
461 |
public String description() {
|
|
462 |
return HttpTestFilter.this.description();
|
|
463 |
}
|
|
464 |
};
|
|
465 |
}
|
|
466 |
}
|
|
467 |
|
|
468 |
/**
|
|
469 |
* A version agnostic adapter class for HTTP Server Context.
|
|
470 |
*/
|
|
471 |
public static abstract class HttpTestContext {
|
|
472 |
public abstract String getPath();
|
|
473 |
public abstract void addFilter(HttpTestFilter filter);
|
|
474 |
public abstract Version getVersion();
|
|
475 |
|
|
476 |
// will throw UOE if the server is HTTP/2
|
|
477 |
public abstract void setAuthenticator(com.sun.net.httpserver.Authenticator authenticator);
|
|
478 |
}
|
|
479 |
|
|
480 |
/**
|
|
481 |
* A version agnostic adapter class for HTTP Servers.
|
|
482 |
*/
|
|
483 |
public static abstract class HttpTestServer {
|
|
484 |
private static final class ServerLogging {
|
|
485 |
private static final Logger logger = Logger.getLogger("com.sun.net.httpserver");
|
|
486 |
static void enableLogging() {
|
|
487 |
logger.setLevel(Level.FINE);
|
|
488 |
Stream.of(Logger.getLogger("").getHandlers())
|
|
489 |
.forEach(h -> h.setLevel(Level.ALL));
|
|
490 |
}
|
|
491 |
}
|
|
492 |
|
|
493 |
public abstract void start();
|
|
494 |
public abstract void stop();
|
|
495 |
public abstract HttpTestContext addHandler(HttpTestHandler handler, String root);
|
|
496 |
public abstract InetSocketAddress getAddress();
|
|
497 |
public abstract Version getVersion();
|
|
498 |
|
|
499 |
public String serverAuthority() {
|
|
500 |
return InetAddress.getLoopbackAddress().getHostName() + ":"
|
|
501 |
+ getAddress().getPort();
|
|
502 |
}
|
|
503 |
|
|
504 |
public static HttpTestServer of(HttpServer server) {
|
|
505 |
return new Http1TestServer(server);
|
|
506 |
}
|
|
507 |
|
|
508 |
public static HttpTestServer of(Http2TestServer server) {
|
|
509 |
return new Http2TestServerImpl(server);
|
|
510 |
}
|
|
511 |
|
|
512 |
private static class Http1TestServer extends HttpTestServer {
|
|
513 |
private final HttpServer impl;
|
|
514 |
Http1TestServer(HttpServer server) {
|
|
515 |
this.impl = server;
|
|
516 |
}
|
|
517 |
@Override
|
|
518 |
public void start() {
|
|
519 |
System.out.println("Http1TestServer: start");
|
|
520 |
impl.start();
|
|
521 |
}
|
|
522 |
@Override
|
|
523 |
public void stop() {
|
|
524 |
System.out.println("Http1TestServer: stop");
|
|
525 |
impl.stop(0);
|
|
526 |
}
|
|
527 |
@Override
|
|
528 |
public HttpTestContext addHandler(HttpTestHandler handler, String path) {
|
|
529 |
System.out.println("Http1TestServer[" + getAddress()
|
|
530 |
+ "]::addHandler " + handler + ", " + path);
|
|
531 |
return new Http1TestContext(impl.createContext(path, handler.toHttpHandler()));
|
|
532 |
}
|
|
533 |
@Override
|
|
534 |
public InetSocketAddress getAddress() {
|
|
535 |
return new InetSocketAddress(InetAddress.getLoopbackAddress(),
|
|
536 |
impl.getAddress().getPort());
|
|
537 |
}
|
|
538 |
public Version getVersion() { return Version.HTTP_1_1; }
|
|
539 |
}
|
|
540 |
|
|
541 |
private static class Http1TestContext extends HttpTestContext {
|
|
542 |
private final HttpContext context;
|
|
543 |
Http1TestContext(HttpContext ctxt) {
|
|
544 |
this.context = ctxt;
|
|
545 |
}
|
|
546 |
@Override public String getPath() {
|
|
547 |
return context.getPath();
|
|
548 |
}
|
|
549 |
@Override
|
|
550 |
public void addFilter(HttpTestFilter filter) {
|
|
551 |
System.out.println("Http1TestContext::addFilter " + filter.description());
|
|
552 |
context.getFilters().add(filter.toFilter());
|
|
553 |
}
|
|
554 |
@Override
|
|
555 |
public void setAuthenticator(com.sun.net.httpserver.Authenticator authenticator) {
|
|
556 |
context.setAuthenticator(authenticator);
|
|
557 |
}
|
|
558 |
@Override public Version getVersion() { return Version.HTTP_1_1; }
|
|
559 |
}
|
|
560 |
|
|
561 |
private static class Http2TestServerImpl extends HttpTestServer {
|
|
562 |
private final Http2TestServer impl;
|
|
563 |
Http2TestServerImpl(Http2TestServer server) {
|
|
564 |
this.impl = server;
|
|
565 |
}
|
|
566 |
@Override
|
|
567 |
public void start() {
|
|
568 |
System.out.println("Http2TestServerImpl: start");
|
|
569 |
impl.start();
|
|
570 |
}
|
|
571 |
@Override
|
|
572 |
public void stop() {
|
|
573 |
System.out.println("Http2TestServerImpl: stop");
|
|
574 |
impl.stop();
|
|
575 |
}
|
|
576 |
@Override
|
|
577 |
public HttpTestContext addHandler(HttpTestHandler handler, String path) {
|
|
578 |
System.out.println("Http2TestServerImpl[" + getAddress()
|
|
579 |
+ "]::addHandler " + handler + ", " + path);
|
|
580 |
Http2TestContext context = new Http2TestContext(handler, path);
|
|
581 |
impl.addHandler(context.toHttp2Handler(), path);
|
|
582 |
return context;
|
|
583 |
}
|
|
584 |
@Override
|
|
585 |
public InetSocketAddress getAddress() {
|
|
586 |
return new InetSocketAddress(InetAddress.getLoopbackAddress(),
|
|
587 |
impl.getAddress().getPort());
|
|
588 |
}
|
|
589 |
public Version getVersion() { return Version.HTTP_2; }
|
|
590 |
}
|
|
591 |
|
|
592 |
private static class Http2TestContext
|
|
593 |
extends HttpTestContext implements HttpTestHandler {
|
|
594 |
private final HttpTestHandler handler;
|
|
595 |
private final String path;
|
|
596 |
private final List<HttpTestFilter> filters = new CopyOnWriteArrayList<>();
|
|
597 |
Http2TestContext(HttpTestHandler hdl, String path) {
|
|
598 |
this.handler = hdl;
|
|
599 |
this.path = path;
|
|
600 |
}
|
|
601 |
@Override
|
|
602 |
public String getPath() { return path; }
|
|
603 |
@Override
|
|
604 |
public void addFilter(HttpTestFilter filter) {
|
|
605 |
System.out.println("Http2TestContext::addFilter " + filter.description());
|
|
606 |
filters.add(filter);
|
|
607 |
}
|
|
608 |
@Override
|
|
609 |
public void handle(HttpTestExchange exchange) throws IOException {
|
|
610 |
System.out.println("Http2TestContext::handle " + exchange);
|
|
611 |
HttpChain.of(filters, handler).doFilter(exchange);
|
|
612 |
}
|
|
613 |
@Override
|
|
614 |
public void setAuthenticator(com.sun.net.httpserver.Authenticator authenticator) {
|
|
615 |
throw new UnsupportedOperationException("Can't set HTTP/1.1 authenticator on HTTP/2 context");
|
|
616 |
}
|
|
617 |
@Override public Version getVersion() { return Version.HTTP_2; }
|
|
618 |
}
|
|
619 |
}
|
|
620 |
|
|
621 |
public static void enableServerLogging() {
|
|
622 |
System.setProperty("java.util.logging.SimpleFormatter.format",
|
|
623 |
"%4$s [%1$tb %1$td, %1$tl:%1$tM:%1$tS.%1$tN] %2$s: %5$s%6$s%n");
|
|
624 |
HttpTestServer.ServerLogging.enableLogging();
|
|
625 |
}
|
|
626 |
|
|
627 |
}
|