| /* |
| * Copyright (c) 2015, 2020, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package jdk.internal.net.http; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.nio.ByteBuffer; |
| import java.util.Optional; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.function.Supplier; |
| import javax.net.ssl.SSLSession; |
| import java.net.http.HttpClient; |
| import java.net.http.HttpHeaders; |
| import java.net.http.HttpRequest; |
| import java.net.http.HttpResponse; |
| import jdk.internal.net.http.websocket.RawChannel; |
| |
| /** |
| * The implementation class for HttpResponse |
| */ |
| class HttpResponseImpl<T> implements HttpResponse<T>, RawChannel.Provider { |
| |
| final int responseCode; |
| final Exchange<T> exchange; |
| final HttpRequest initialRequest; |
| final Optional<HttpResponse<T>> previousResponse; |
| final HttpHeaders headers; |
| final Optional<SSLSession> sslSession; |
| final URI uri; |
| final HttpClient.Version version; |
| RawChannel rawchan; |
| final HttpConnection connection; |
| final Stream<T> stream; |
| final T body; |
| |
| public HttpResponseImpl(HttpRequest initialRequest, |
| Response response, |
| HttpResponse<T> previousResponse, |
| T body, |
| Exchange<T> exch) { |
| this.responseCode = response.statusCode(); |
| this.exchange = exch; |
| this.initialRequest = initialRequest; |
| this.previousResponse = Optional.ofNullable(previousResponse); |
| this.headers = response.headers(); |
| //this.trailers = trailers; |
| this.sslSession = Optional.ofNullable(response.getSSLSession()); |
| this.uri = response.request().uri(); |
| this.version = response.version(); |
| this.connection = connection(exch); |
| this.stream = null; |
| this.body = body; |
| } |
| |
| private HttpConnection connection(Exchange<?> exch) { |
| if (exch == null || exch.exchImpl == null) { |
| assert responseCode == 407; |
| return null; // case of Proxy 407 |
| } |
| return exch.exchImpl.connection(); |
| } |
| |
| private ExchangeImpl<?> exchangeImpl() { |
| return exchange != null ? exchange.exchImpl : stream; |
| } |
| |
| @Override |
| public int statusCode() { |
| return responseCode; |
| } |
| |
| @Override |
| public HttpRequest request() { |
| return initialRequest; |
| } |
| |
| @Override |
| public Optional<HttpResponse<T>> previousResponse() { |
| return previousResponse; |
| } |
| |
| @Override |
| public HttpHeaders headers() { |
| return headers; |
| } |
| |
| @Override |
| public T body() { |
| return body; |
| } |
| |
| @Override |
| public Optional<SSLSession> sslSession() { |
| return sslSession; |
| } |
| |
| @Override |
| public URI uri() { |
| return uri; |
| } |
| |
| @Override |
| public HttpClient.Version version() { |
| return version; |
| } |
| // keepalive flag determines whether connection is closed or kept alive |
| // by reading/skipping data |
| |
| /** |
| * Returns a RawChannel that may be used for WebSocket protocol. |
| * @implNote This implementation does not support RawChannel over |
| * HTTP/2 connections. |
| * @return a RawChannel that may be used for WebSocket protocol. |
| * @throws UnsupportedOperationException if getting a RawChannel over |
| * this connection is not supported. |
| * @throws IOException if an I/O exception occurs while retrieving |
| * the channel. |
| */ |
| @Override |
| public synchronized RawChannel rawChannel() throws IOException { |
| if (rawchan == null) { |
| ExchangeImpl<?> exchImpl = exchangeImpl(); |
| if (!(exchImpl instanceof Http1Exchange)) { |
| // RawChannel is only used for WebSocket - and WebSocket |
| // is not supported over HTTP/2 yet, so we should not come |
| // here. Getting a RawChannel over HTTP/2 might be supported |
| // in the future, but it would entail retrieving any left over |
| // bytes that might have been read but not consumed by the |
| // HTTP/2 connection. |
| throw new UnsupportedOperationException("RawChannel is not supported over HTTP/2"); |
| } |
| // Http1Exchange may have some remaining bytes in its |
| // internal buffer. |
| Supplier<ByteBuffer> initial = ((Http1Exchange<?>)exchImpl)::drainLeftOverBytes; |
| rawchan = new RawChannelTube(connection, initial); |
| } |
| return rawchan; |
| } |
| |
| /** |
| * Closes the RawChannel that may have been used for WebSocket protocol. |
| * |
| * @apiNote This method should be called to close the connection |
| * if an exception occurs during the websocket handshake, in cases where |
| * {@link #rawChannel() rawChannel().close()} would have been called. |
| * An unsuccessful handshake may prevent the creation of the RawChannel: |
| * if a RawChannel has already been created, this method wil close it. |
| * Otherwise, it will close the connection. |
| * |
| * @throws IOException if an I/O exception occurs while closing |
| * the channel. |
| */ |
| public synchronized void closeRawChannel() throws IOException { |
| // close the rawChannel, if created, or the |
| // connection, if not. |
| if (rawchan != null) rawchan.close(); |
| else connection.close(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| String method = request().method(); |
| URI uri = request().uri(); |
| String uristring = uri == null ? "" : uri.toString(); |
| sb.append('(') |
| .append(method) |
| .append(" ") |
| .append(uristring) |
| .append(") ") |
| .append(statusCode()); |
| return sb.toString(); |
| } |
| } |