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.

     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 java.nio.ByteBuffer;

    25 import java.nio.MappedByteBuffer;

    26 import java.util.Collection;

    27 import java.util.List;

    28 import java.util.concurrent.Flow;

    29 import java.util.function.Function;

    30 import jdk.incubator.http.HttpRequest.BodyPublisher;

    31 import jdk.incubator.http.HttpResponse.BodyHandler;

    32 import jdk.incubator.http.HttpResponse.BodySubscriber;

    33 

    34 /*

    35  * @test

    36  * @summary Basic test for Flow adapters with generic type parameters

    37  * @compile FlowAdaptersCompileOnly.java

    38  */

    39 

    40 public class FlowAdaptersCompileOnly {

    41 

    42     static void makesSureDifferentGenericSignaturesCompile() {

    43         BodyPublisher.fromPublisher(new BBPublisher());

    44         BodyPublisher.fromPublisher(new MBBPublisher());

    45 

    46         BodyHandler.fromSubscriber(new ListSubscriber());

    47         BodyHandler.fromSubscriber(new CollectionSubscriber());

    48         BodyHandler.fromSubscriber(new IterableSubscriber());

    49         BodyHandler.fromSubscriber(new ObjectSubscriber());

    50 

    51         BodySubscriber.fromSubscriber(new ListSubscriber());

    52         BodySubscriber.fromSubscriber(new CollectionSubscriber());

    53         BodySubscriber.fromSubscriber(new IterableSubscriber());

    54         BodySubscriber.fromSubscriber(new ObjectSubscriber());

    55 

    56         BodyPublisher.fromPublisher(new BBPublisher(), 1);

    57         BodyPublisher.fromPublisher(new MBBPublisher(), 1);

    58 

    59         BodyHandler.fromSubscriber(new ListSubscriber(), Function.identity());

    60         BodyHandler.fromSubscriber(new CollectionSubscriber(), Function.identity());

    61         BodyHandler.fromSubscriber(new IterableSubscriber(), Function.identity());

    62         BodyHandler.fromSubscriber(new ObjectSubscriber(), Function.identity());

    63 

    64         BodySubscriber.fromSubscriber(new ListSubscriber(), Function.identity());

    65         BodySubscriber.fromSubscriber(new CollectionSubscriber(), Function.identity());

    66         BodySubscriber.fromSubscriber(new IterableSubscriber(), Function.identity());

    67         BodySubscriber.fromSubscriber(new ObjectSubscriber(), Function.identity());

    68     }

    69 

    70     static class BBPublisher implements Flow.Publisher<ByteBuffer> {

    71         @Override

    72         public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) { }

    73     }

    74 

    75     static class MBBPublisher implements Flow.Publisher<MappedByteBuffer> {

    76         @Override

    77         public void subscribe(Flow.Subscriber<? super MappedByteBuffer> subscriber) { }

    78     }

    79 

    80     static class ListSubscriber implements Flow.Subscriber<List<ByteBuffer>> {

    81         @Override public void onSubscribe(Flow.Subscription subscription) { }

    82         @Override public void onNext(List<ByteBuffer> item) { }

    83         @Override public void onError(Throwable throwable) { }

    84         @Override public void onComplete() { }

    85     }

    86 

    87     static class CollectionSubscriber implements Flow.Subscriber<Collection<ByteBuffer>> {

    88         @Override public void onSubscribe(Flow.Subscription subscription) { }

    89         @Override public void onNext(Collection<ByteBuffer> item) { }

    90         @Override public void onError(Throwable throwable) { }

    91         @Override public void onComplete() { }

    92     }

    93 

    94     static class IterableSubscriber implements Flow.Subscriber<Iterable<ByteBuffer>> {

    95         @Override public void onSubscribe(Flow.Subscription subscription) { }

    96         @Override public void onNext(Iterable<ByteBuffer> item) { }

    97         @Override public void onError(Throwable throwable) { }

    98         @Override public void onComplete() { }

    99     }

   100 

   101     static class ObjectSubscriber implements Flow.Subscriber<Object> {

   102         @Override public void onSubscribe(Flow.Subscription subscription) { }

   103         @Override public void onNext(Object item) { }

   104         @Override public void onError(Throwable throwable) { }

   105         @Override public void onComplete() { }

   106     }

   107 }