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 java.nio.charset.StandardCharsets;

    25 import java.util.concurrent.Flow;

    26 import java.util.function.Function;

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

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

    29 

    30 /*

    31  * @test

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

    33  * @compile LineAdaptersCompileOnly.java

    34  */

    35 

    36 public class LineAdaptersCompileOnly {

    37 

    38     public static void main(String[] args) {

    39         makesSureDifferentGenericSignaturesCompile();

    40     }

    41 

    42     static void makesSureDifferentGenericSignaturesCompile() {

    43 

    44         BodyHandler.fromLineSubscriber(new StringSubscriber());

    45         BodyHandler.fromLineSubscriber(new CharSequenceSubscriber());

    46         BodyHandler.fromLineSubscriber(new ObjectSubscriber());

    47 

    48 

    49         BodySubscriber.fromLineSubscriber(new StringSubscriber());

    50         BodySubscriber.fromLineSubscriber(new CharSequenceSubscriber());

    51         BodySubscriber.fromLineSubscriber(new ObjectSubscriber());

    52 

    53 

    54         BodyHandler.fromLineSubscriber(new StringSubscriber(), Function.identity(), "\n");

    55         BodyHandler.fromLineSubscriber(new CharSequenceSubscriber(), Function.identity(),  "\r\n");

    56         BodyHandler.fromLineSubscriber(new ObjectSubscriber(), Function.identity(), "\n");

    57         BodyHandler.fromLineSubscriber(new StringSubscriber(), Function.identity(), null);

    58         BodyHandler.fromLineSubscriber(new CharSequenceSubscriber(), Function.identity(),  null);

    59         BodyHandler.fromLineSubscriber(new ObjectSubscriber(), Function.identity(), null);

    60 

    61         BodySubscriber.fromLineSubscriber(new StringSubscriber(), Function.identity(),

    62                 StandardCharsets.UTF_8, "\n");

    63         BodySubscriber.fromLineSubscriber(new CharSequenceSubscriber(), Function.identity(),

    64                 StandardCharsets.UTF_16, "\r\n");

    65         BodySubscriber.fromLineSubscriber(new ObjectSubscriber(), Function.identity(),

    66                 StandardCharsets.US_ASCII, "\n");

    67         BodySubscriber.fromLineSubscriber(new StringSubscriber(), Function.identity(),

    68                 StandardCharsets.UTF_8, null);

    69         BodySubscriber.fromLineSubscriber(new CharSequenceSubscriber(), Function.identity(),

    70                 StandardCharsets.UTF_16, null);

    71         BodySubscriber.fromLineSubscriber(new ObjectSubscriber(), Function.identity(),

    72                 StandardCharsets.US_ASCII, null);

    73     }

    74 

    75     static class StringSubscriber implements Flow.Subscriber<String> {

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

    77         @Override public void onNext(String item) { }

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

    79         @Override public void onComplete() { }

    80     }

    81 

    82     static class CharSequenceSubscriber implements Flow.Subscriber<CharSequence> {

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

    84         @Override public void onNext(CharSequence item) { }

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

    86         @Override public void onComplete() { }

    87     }

    88 

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

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

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

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

    93         @Override public void onComplete() { }

    94     }

    95 }