--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.httpclient/share/classes/java/net/http/PlainTunnelingConnection.java	Thu Feb 25 23:14:22 2016 +0000
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2015, 2016, 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;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+import java.security.AccessControlContext;
+import java.util.concurrent.CompletableFuture;
+
+/**
+ * A plain text socket tunnel through a proxy. Uses "CONNECT" but does not
+ * encrypt. Used by WebSockets. Subclassed in SSLTunnelConnection for encryption.
+ */
+class PlainTunnelingConnection extends HttpConnection {
+
+    final PlainHttpConnection delegate;
+    protected final InetSocketAddress proxyAddr;
+    private volatile boolean connected;
+    private final AccessControlContext acc;
+
+    @Override
+    public CompletableFuture<Void> connectAsync() {
+        return delegate.connectAsync()
+            .thenCompose((Void v) -> {
+                HttpRequestImpl req = new HttpRequestImpl(client, "CONNECT", address);
+                Exchange connectExchange = new Exchange(req, acc);
+                return connectExchange
+                    .responseAsyncImpl(delegate)
+                    .thenCompose((HttpResponse r) -> {
+                        CompletableFuture<Void> cf = new CompletableFuture<>();
+                        if (r.statusCode() != 200) {
+                            cf.completeExceptionally(new IOException("Tunnel failed"));
+                        } else {
+                            connected = true;
+                            cf.complete(null);
+                        }
+                        return cf;
+                    });
+            });
+    }
+
+    @Override
+    public void connect() throws IOException, InterruptedException {
+        delegate.connect();
+        HttpRequestImpl req = new HttpRequestImpl(client, "CONNECT", address);
+        Exchange connectExchange = new Exchange(req, acc);
+        HttpResponse r = connectExchange.responseImpl(delegate);
+        if (r.statusCode() != 200) {
+            throw new IOException("Tunnel failed");
+        }
+        connected = true;
+    }
+
+    @Override
+    boolean connected() {
+        return connected;
+    }
+
+    protected PlainTunnelingConnection(InetSocketAddress addr,
+                                       InetSocketAddress proxy,
+                                       HttpClientImpl client,
+                                       AccessControlContext acc) {
+        super(addr, client);
+        this.proxyAddr = proxy;
+        this.acc = acc;
+        delegate = new PlainHttpConnection(proxy, client);
+    }
+
+    @Override
+    SocketChannel channel() {
+        return delegate.channel();
+    }
+
+    @Override
+    ConnectionPool.CacheKey cacheKey() {
+        return new ConnectionPool.CacheKey(null, proxyAddr);
+    }
+
+    @Override
+    long write(ByteBuffer[] buffers, int start, int number) throws IOException {
+        return delegate.write(buffers, start, number);
+    }
+
+    @Override
+    long write(ByteBuffer buffer) throws IOException {
+        return delegate.write(buffer);
+    }
+
+    @Override
+    void close() {
+        delegate.close();
+        connected = false;
+    }
+
+    @Override
+    protected ByteBuffer readImpl(int length) throws IOException {
+        return delegate.readImpl(length);
+    }
+
+    @Override
+    CompletableFuture<Void> whenReceivingResponse() {
+        return delegate.whenReceivingResponse();
+    }
+
+    @Override
+    protected int readImpl(ByteBuffer buffer) throws IOException {
+        return delegate.readImpl(buffer);
+    }
+
+    @Override
+    boolean isSecure() {
+        return false;
+    }
+
+    @Override
+    boolean isProxied() {
+        return true;
+    }
+}