1 /*

     2  * Copyright (c) 2016, 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.util.Collection;

    29 import java.util.Map;

    30 import java.util.Set;

    31 import java.util.concurrent.CompletableFuture;

    32 

    33 /**

    34  * A {@link java.util.Map} containing the result of a HTTP/2 request and multi-response.

    35  * {@Incubating}

    36  * <p>

    37  * This is one possible implementation of the aggregate result type {@code <U>} returned

    38  * from {@link HttpClient#sendAsync(HttpRequest,HttpResponse.MultiSubscriber) }.

    39  * The map is indexed by {@link HttpRequest} and each value is a

    40  * {@link java.util.concurrent.CompletableFuture}<

    41  * {@link HttpResponse}{@code <V>}&gt;

    42  * <p>

    43  * A {@code MultiMapResult} is obtained from an invocation such as the one shown below:

    44  * <p>

    45  * {@link CompletableFuture}&lt;{@code MultiMapResult<V>}&gt;

    46  * {@link HttpClient#sendAsync(HttpRequest,

    47  * HttpResponse.MultiSubscriber) HttpClient.sendAsync(}{@link

    48  * HttpResponse.MultiSubscriber#asMap(java.util.function.Function)

    49  * MultiSubscriber.asMap(Function)})

    50  *

    51  * @param <V> the response body type for all responses

    52  */

    53 public class MultiMapResult<V> implements Map<HttpRequest,CompletableFuture<HttpResponse<V>>> {

    54     private final Map<HttpRequest,CompletableFuture<HttpResponse<V>>> map;

    55 

    56     MultiMapResult(Map<HttpRequest,CompletableFuture<HttpResponse<V>>> map) {

    57         this.map = map;

    58     }

    59 

    60     @Override

    61     public int size() {

    62         return map.size();

    63     }

    64 

    65     @Override

    66     public boolean isEmpty() {

    67         return map.isEmpty();

    68     }

    69 

    70     @Override

    71     public boolean containsKey(Object key) {

    72         return map.containsKey(key);

    73     }

    74 

    75     @Override

    76     public boolean containsValue(Object value) {

    77         return map.containsValue(value);

    78     }

    79 

    80     @Override

    81     public CompletableFuture<HttpResponse<V>> get(Object key) {

    82         return map.get(key);

    83     }

    84 

    85     @Override

    86     public CompletableFuture<HttpResponse<V>> put(HttpRequest key, CompletableFuture<HttpResponse<V>> value) {

    87         return map.put(key, value);

    88     }

    89 

    90     @Override

    91     public CompletableFuture<HttpResponse<V>> remove(Object key) {

    92         return map.remove(key);

    93     }

    94 

    95     @Override

    96     public void putAll(Map<? extends HttpRequest, ? extends CompletableFuture<HttpResponse<V>>> m) {

    97         map.putAll(m);

    98     }

    99 

   100     @Override

   101     public void clear() {

   102         map.clear();

   103     }

   104 

   105     @Override

   106     public Set<HttpRequest> keySet() {

   107         return map.keySet();

   108     }

   109 

   110     @Override

   111     public Collection<CompletableFuture<HttpResponse<V>>> values() {

   112         return map.values();

   113     }

   114 

   115     @Override

   116     public Set<Entry<HttpRequest, CompletableFuture<HttpResponse<V>>>> entrySet() {

   117         return map.entrySet();

   118     }

   119 }