1 /*
   2  * Copyright (c) 2018, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import javax.net.ssl.SSLContext;
  25 import javax.net.ssl.SSLParameters;
  26 import java.io.IOException;
  27 import java.net.Authenticator;
  28 import java.net.CookieHandler;
  29 import java.net.ProxySelector;
  30 import java.util.Optional;
  31 import java.util.concurrent.CompletableFuture;
  32 import java.util.concurrent.Executor;
  33 import java.net.http.HttpClient;
  34 import java.net.http.HttpRequest;
  35 import java.net.http.HttpResponse;
  36 
  37 /**
  38  * An HttpClient that delegates all its operations to the given client.
  39  */
  40 public class DelegatingHttpClient extends HttpClient {
  41 
  42     private final HttpClient client;
  43 
  44     public DelegatingHttpClient(HttpClient client) {
  45         this.client = client;
  46     }
  47 
  48     @Override
  49     public Optional<CookieHandler> cookieHandler() {
  50         return client.cookieHandler();
  51     }
  52 
  53     @Override
  54     public Redirect followRedirects() {
  55         return client.followRedirects();
  56     }
  57 
  58     @Override
  59     public Optional<ProxySelector> proxy() {
  60         return client.proxy();
  61     }
  62 
  63     @Override
  64     public SSLContext sslContext() {
  65         return client.sslContext();
  66     }
  67 
  68     @Override
  69     public SSLParameters sslParameters() {
  70         return client.sslParameters();
  71     }
  72 
  73     @Override
  74     public Optional<Authenticator> authenticator() {
  75         return client.authenticator();
  76     }
  77 
  78     @Override
  79     public Version version() {
  80         return client.version();
  81     }
  82 
  83     @Override
  84     public Optional<Executor> executor() {
  85         return client.executor();
  86     }
  87 
  88     @Override
  89     public <T> HttpResponse<T> send(HttpRequest request,
  90                                     HttpResponse.BodyHandler<T> responseBodyHandler)
  91             throws IOException, InterruptedException {
  92         return client.send(request, responseBodyHandler);
  93     }
  94 
  95     @Override
  96     public <T> CompletableFuture<HttpResponse<T>>
  97     sendAsync(HttpRequest request,
  98               HttpResponse.BodyHandler<T> responseBodyHandler) {
  99         return client.sendAsync(request, responseBodyHandler);
 100     }
 101 
 102     @Override
 103     public <T> CompletableFuture<HttpResponse<T>>
 104     sendAsync(HttpRequest request,
 105               HttpResponse.BodyHandler<T> responseBodyHandler,
 106               HttpResponse.PushPromiseHandler<T> pushPromiseHandler) {
 107         return client.sendAsync(request, responseBodyHandler, pushPromiseHandler);
 108     }
 109 }