1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.adservices.common;
18 
19 import android.annotation.NonNull;
20 import android.os.Build;
21 import android.os.OutcomeReceiver;
22 
23 import androidx.annotation.RequiresApi;
24 
25 /**
26  * Utility class to convert between {@link OutcomeReceiver} and {@link AdServicesOutcomeReceiver}.
27  *
28  * @hide
29  */
30 @RequiresApi(Build.VERSION_CODES.S)
31 public final class OutcomeReceiverConverter {
OutcomeReceiverConverter()32     private OutcomeReceiverConverter() {
33         // Prevent instantiation
34     }
35 
36     /**
37      * Converts an instance of {@link OutcomeReceiver} to a custom {@link
38      * AdServicesOutcomeReceiver}.
39      *
40      * @param callback the instance of {@link OutcomeReceiver} to wrap
41      * @return an {@link AdServicesOutcomeReceiver} that wraps the original input
42      * @param <R> the type of Result that the receiver can process
43      * @param <E> the type of Exception that can be handled by the receiver
44      */
45     public static <R, E extends Throwable>
toAdServicesOutcomeReceiver( OutcomeReceiver<R, E> callback)46             AdServicesOutcomeReceiver<R, E> toAdServicesOutcomeReceiver(
47                     OutcomeReceiver<R, E> callback) {
48         if (callback == null) {
49             return null;
50         }
51 
52         return new AdServicesOutcomeReceiver<R, E>() {
53             @Override
54             public void onResult(R result) {
55                 callback.onResult(result);
56             }
57 
58             @Override
59             public void onError(@NonNull E error) {
60                 callback.onError(error);
61             }
62         };
63     }
64 }
65