1 /*

     2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.incubator.http;

    27 

    28 import java.io.IOException;

    29 import java.lang.ref.Reference;

    30 import java.net.Authenticator;

    31 import java.net.CookieHandler;

    32 import java.net.ProxySelector;

    33 import java.net.URI;

    34 import java.util.Optional;

    35 import java.util.concurrent.CompletableFuture;

    36 import java.util.concurrent.Executor;

    37 import javax.net.ssl.SSLContext;

    38 import javax.net.ssl.SSLParameters;

    39 

    40 /**

    41  * An HttpClientFacade is a simple class that wraps an HttpClient implementation

    42  * and delegates everything to its implementation delegate.

    43  */

    44 final class HttpClientFacade extends HttpClient {

    45 

    46     final HttpClientImpl impl;

    47 

    48     /**

    49      * Creates an HttpClientFacade.

    50      */

    51     HttpClientFacade(HttpClientImpl impl) {

    52         this.impl = impl;

    53     }

    54 

    55     @Override

    56     public Optional<CookieHandler> cookieHandler() {

    57         return impl.cookieHandler();

    58     }

    59 

    60     @Override

    61     public Redirect followRedirects() {

    62         return impl.followRedirects();

    63     }

    64 

    65     @Override

    66     public Optional<ProxySelector> proxy() {

    67         return impl.proxy();

    68     }

    69 

    70     @Override

    71     public SSLContext sslContext() {

    72         return impl.sslContext();

    73     }

    74 

    75     @Override

    76     public SSLParameters sslParameters() {

    77         return impl.sslParameters();

    78     }

    79 

    80     @Override

    81     public Optional<Authenticator> authenticator() {

    82         return impl.authenticator();

    83     }

    84 

    85     @Override

    86     public HttpClient.Version version() {

    87         return impl.version();

    88     }

    89 

    90     @Override

    91     public Optional<Executor> executor() {

    92         return impl.executor();

    93     }

    94 

    95     @Override

    96     public <T> HttpResponse<T>

    97     send(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler)

    98         throws IOException, InterruptedException

    99     {

   100         try {

   101             return impl.send(req, responseBodyHandler);

   102         } finally {

   103             Reference.reachabilityFence(this);

   104         }

   105     }

   106 

   107     @Override

   108     public <T> CompletableFuture<HttpResponse<T>>

   109     sendAsync(HttpRequest req, HttpResponse.BodyHandler<T> responseBodyHandler) {

   110         try {

   111             return impl.sendAsync(req, responseBodyHandler);

   112         } finally {

   113             Reference.reachabilityFence(this);

   114         }

   115     }

   116 

   117     @Override

   118     public <U, T> CompletableFuture<U>

   119     sendAsync(HttpRequest req, HttpResponse.MultiSubscriber<U, T> multiSubscriber) {

   120         try {

   121             return impl.sendAsync(req, multiSubscriber);

   122         } finally {

   123             Reference.reachabilityFence(this);

   124         }

   125     }

   126 

   127     @Override

   128     public WebSocket.Builder newWebSocketBuilder() {

   129         try {

   130             return impl.newWebSocketBuilder();

   131         } finally {

   132             Reference.reachabilityFence(this);

   133         }

   134     }

   135 

   136     @Override

   137     public String toString() {

   138         // Used by tests to get the client's id.

   139         return impl.toString();

   140     }

   141 }