src/java.net.http/share/classes/java/net/http/internal/Http1Request.java
branchhttp-client-branch
changeset 56092 fd85b2bf2b0d
parent 56091 aedd6133e7a0
child 56093 22d94c4a3641
--- a/src/java.net.http/share/classes/java/net/http/internal/Http1Request.java	Wed Feb 07 15:46:30 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,390 +0,0 @@
-/*
- * Copyright (c) 2015, 2018, 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 java.net.http.internal;
-
-import java.io.IOException;
-import java.lang.System.Logger.Level;
-import java.net.URI;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.net.InetSocketAddress;
-import java.util.Objects;
-import java.util.concurrent.Flow;
-import java.util.function.BiPredicate;
-import java.net.http.HttpHeaders;
-import java.net.http.HttpRequest;
-import java.net.http.internal.Http1Exchange.Http1BodySubscriber;
-import java.net.http.internal.common.HttpHeadersImpl;
-import java.net.http.internal.common.Log;
-import java.net.http.internal.common.Utils;
-
-import static java.nio.charset.StandardCharsets.US_ASCII;
-
-/**
- *  An HTTP/1.1 request.
- */
-class Http1Request {
-    private final HttpRequestImpl request;
-    private final Http1Exchange<?> http1Exchange;
-    private final HttpConnection connection;
-    private final HttpRequest.BodyPublisher requestPublisher;
-    private final HttpHeaders userHeaders;
-    private final HttpHeadersImpl systemHeaders;
-    private volatile boolean streaming;
-    private volatile long contentLength;
-
-    Http1Request(HttpRequestImpl request,
-                 Http1Exchange<?> http1Exchange)
-        throws IOException
-    {
-        this.request = request;
-        this.http1Exchange = http1Exchange;
-        this.connection = http1Exchange.connection();
-        this.requestPublisher = request.requestPublisher;  // may be null
-        this.userHeaders = request.getUserHeaders();
-        this.systemHeaders = request.getSystemHeaders();
-    }
-
-    private void logHeaders(String completeHeaders) {
-        if (Log.headers()) {
-            //StringBuilder sb = new StringBuilder(256);
-            //sb.append("REQUEST HEADERS:\n");
-            //Log.dumpHeaders(sb, "    ", systemHeaders);
-            //Log.dumpHeaders(sb, "    ", userHeaders);
-            //Log.logHeaders(sb.toString());
-
-            String s = completeHeaders.replaceAll("\r\n", "\n");
-            Log.logHeaders("REQUEST HEADERS:\n" + s);
-        }
-    }
-
-
-    private void collectHeaders0(StringBuilder sb) {
-        BiPredicate<String,List<String>> filter =
-                connection.headerFilter(request);
-
-        // If we're sending this request through a tunnel,
-        // then don't send any preemptive proxy-* headers that
-        // the authentication filter may have saved in its
-        // cache.
-        collectHeaders1(sb, systemHeaders, filter);
-
-        // If we're sending this request through a tunnel,
-        // don't send any user-supplied proxy-* headers
-        // to the target server.
-        collectHeaders1(sb, userHeaders, filter);
-        sb.append("\r\n");
-    }
-
-    private void collectHeaders1(StringBuilder sb, HttpHeaders headers,
-                                 BiPredicate<String, List<String>> filter) {
-        for (Map.Entry<String,List<String>> entry : headers.map().entrySet()) {
-            String key = entry.getKey();
-            List<String> values = entry.getValue();
-            if (!filter.test(key, values)) continue;
-            for (String value : values) {
-                sb.append(key).append(": ").append(value).append("\r\n");
-            }
-        }
-    }
-
-    private String getPathAndQuery(URI uri) {
-        String path = uri.getPath();
-        String query = uri.getQuery();
-        if (path == null || path.equals("")) {
-            path = "/";
-        }
-        if (query == null) {
-            query = "";
-        }
-        if (query.equals("")) {
-            return path;
-        } else {
-            return path + "?" + query;
-        }
-    }
-
-    private String authorityString(InetSocketAddress addr) {
-        return addr.getHostString() + ":" + addr.getPort();
-    }
-
-    private String hostString() {
-        URI uri = request.uri();
-        int port = uri.getPort();
-        String host = uri.getHost();
-
-        boolean defaultPort;
-        if (port == -1) {
-            defaultPort = true;
-        } else if (request.secure()) {
-            defaultPort = port == 443;
-        } else {
-            defaultPort = port == 80;
-        }
-
-        if (defaultPort) {
-            return host;
-        } else {
-            return host + ":" + Integer.toString(port);
-        }
-    }
-
-    private String requestURI() {
-        URI uri = request.uri();
-        String method = request.method();
-
-        if ((request.proxy() == null && !method.equals("CONNECT"))
-                || request.isWebSocket()) {
-            return getPathAndQuery(uri);
-        }
-        if (request.secure()) {
-            if (request.method().equals("CONNECT")) {
-                // use authority for connect itself
-                return authorityString(request.authority());
-            } else {
-                // requests over tunnel do not require full URL
-                return getPathAndQuery(uri);
-            }
-        }
-        if (request.method().equals("CONNECT")) {
-            // use authority for connect itself
-            return authorityString(request.authority());
-        }
-
-        return uri == null? authorityString(request.authority()) : uri.toString();
-    }
-
-    private boolean finished;
-
-    synchronized boolean finished() {
-        return  finished;
-    }
-
-    synchronized void setFinished() {
-        finished = true;
-    }
-
-    List<ByteBuffer> headers() {
-        if (Log.requests() && request != null) {
-            Log.logRequest(request.toString());
-        }
-        String uriString = requestURI();
-        StringBuilder sb = new StringBuilder(64);
-        sb.append(request.method())
-          .append(' ')
-          .append(uriString)
-          .append(" HTTP/1.1\r\n");
-
-        URI uri = request.uri();
-        if (uri != null) {
-            systemHeaders.setHeader("Host", hostString());
-        }
-        if (requestPublisher == null) {
-            // Not a user request, or maybe a method, e.g. GET, with no body.
-            contentLength = 0;
-        } else {
-            contentLength = requestPublisher.contentLength();
-        }
-
-        if (contentLength == 0) {
-            systemHeaders.setHeader("Content-Length", "0");
-        } else if (contentLength > 0) {
-            systemHeaders.setHeader("Content-Length", Long.toString(contentLength));
-            streaming = false;
-        } else {
-            streaming = true;
-            systemHeaders.setHeader("Transfer-encoding", "chunked");
-        }
-        collectHeaders0(sb);
-        String hs = sb.toString();
-        logHeaders(hs);
-        ByteBuffer b = ByteBuffer.wrap(hs.getBytes(US_ASCII));
-        return List.of(b);
-    }
-
-    Http1BodySubscriber continueRequest()  {
-        Http1BodySubscriber subscriber;
-        if (streaming) {
-            subscriber = new StreamSubscriber();
-            requestPublisher.subscribe(subscriber);
-        } else {
-            if (contentLength == 0)
-                return null;
-
-            subscriber = new FixedContentSubscriber();
-            requestPublisher.subscribe(subscriber);
-        }
-        return subscriber;
-    }
-
-    class StreamSubscriber extends Http1BodySubscriber {
-
-        @Override
-        public void onSubscribe(Flow.Subscription subscription) {
-            if (this.subscription != null) {
-                Throwable t = new IllegalStateException("already subscribed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                this.subscription = subscription;
-            }
-        }
-
-        @Override
-        public void onNext(ByteBuffer item) {
-            Objects.requireNonNull(item);
-            if (complete) {
-                Throwable t = new IllegalStateException("subscription already completed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                int chunklen = item.remaining();
-                ArrayList<ByteBuffer> l = new ArrayList<>(3);
-                l.add(getHeader(chunklen));
-                l.add(item);
-                l.add(ByteBuffer.wrap(CRLF));
-                http1Exchange.appendToOutgoing(l);
-            }
-        }
-
-        @Override
-        public void onError(Throwable throwable) {
-            if (complete)
-                return;
-
-            subscription.cancel();
-            http1Exchange.appendToOutgoing(throwable);
-        }
-
-        @Override
-        public void onComplete() {
-            if (complete) {
-                Throwable t = new IllegalStateException("subscription already completed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                ArrayList<ByteBuffer> l = new ArrayList<>(2);
-                l.add(ByteBuffer.wrap(EMPTY_CHUNK_BYTES));
-                l.add(ByteBuffer.wrap(CRLF));
-                complete = true;
-                //setFinished();
-                http1Exchange.appendToOutgoing(l);
-                http1Exchange.appendToOutgoing(COMPLETED);
-                setFinished();  // TODO: before or after,? does it matter?
-
-            }
-        }
-    }
-
-    class FixedContentSubscriber extends Http1BodySubscriber {
-
-        private volatile long contentWritten;
-
-        @Override
-        public void onSubscribe(Flow.Subscription subscription) {
-            if (this.subscription != null) {
-                Throwable t = new IllegalStateException("already subscribed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                this.subscription = subscription;
-            }
-        }
-
-        @Override
-        public void onNext(ByteBuffer item) {
-            debug.log(Level.DEBUG, "onNext");
-            Objects.requireNonNull(item);
-            if (complete) {
-                Throwable t = new IllegalStateException("subscription already completed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                long writing = item.remaining();
-                long written = (contentWritten += writing);
-
-                if (written > contentLength) {
-                    subscription.cancel();
-                    String msg = connection.getConnectionFlow()
-                                  + " [" + Thread.currentThread().getName() +"] "
-                                  + "Too many bytes in request body. Expected: "
-                                  + contentLength + ", got: " + written;
-                    http1Exchange.appendToOutgoing(new IOException(msg));
-                } else {
-                    http1Exchange.appendToOutgoing(List.of(item));
-                }
-            }
-        }
-
-        @Override
-        public void onError(Throwable throwable) {
-            debug.log(Level.DEBUG, "onError");
-            if (complete)  // TODO: error?
-                return;
-
-            subscription.cancel();
-            http1Exchange.appendToOutgoing(throwable);
-        }
-
-        @Override
-        public void onComplete() {
-            debug.log(Level.DEBUG, "onComplete");
-            if (complete) {
-                Throwable t = new IllegalStateException("subscription already completed");
-                http1Exchange.appendToOutgoing(t);
-            } else {
-                complete = true;
-                long written = contentWritten;
-                if (contentLength > written) {
-                    subscription.cancel();
-                    Throwable t = new IOException(connection.getConnectionFlow()
-                                         + " [" + Thread.currentThread().getName() +"] "
-                                         + "Too few bytes returned by the publisher ("
-                                                  + written + "/"
-                                                  + contentLength + ")");
-                    http1Exchange.appendToOutgoing(t);
-                } else {
-                    http1Exchange.appendToOutgoing(COMPLETED);
-                }
-            }
-        }
-    }
-
-    private static final byte[] CRLF = {'\r', '\n'};
-    private static final byte[] EMPTY_CHUNK_BYTES = {'0', '\r', '\n'};
-
-    /** Returns a header for a particular chunk size */
-    private static ByteBuffer getHeader(int size) {
-        String hexStr = Integer.toHexString(size);
-        byte[] hexBytes = hexStr.getBytes(US_ASCII);
-        byte[] header = new byte[hexStr.length()+2];
-        System.arraycopy(hexBytes, 0, header, 0, hexBytes.length);
-        header[hexBytes.length] = CRLF[0];
-        header[hexBytes.length+1] = CRLF[1];
-        return ByteBuffer.wrap(header);
-    }
-
-    static final boolean DEBUG = Utils.DEBUG; // Revisit: temporary dev flag.
-    final System.Logger  debug = Utils.getDebugLogger(this::toString, DEBUG);
-
-}