1 /*
2  * Copyright (C) 2022 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 com.android.bluetooth.le_audio;
18 
19 import android.content.Context;
20 import android.util.Log;
21 
22 import com.android.bluetooth.Utils;
23 import com.android.internal.annotations.VisibleForTesting;
24 
25 /** Factory class for object initialization to help with unit testing */
26 public class LeAudioObjectsFactory {
27     private static final String TAG = LeAudioObjectsFactory.class.getSimpleName();
28     private static LeAudioObjectsFactory sInstance;
29     private static final Object INSTANCE_LOCK = new Object();
30 
LeAudioObjectsFactory()31     private LeAudioObjectsFactory() {}
32 
33     /**
34      * Get the singleton instance of object factory
35      *
36      * @return the singleton instance, guaranteed not null
37      */
getInstance()38     public static LeAudioObjectsFactory getInstance() {
39         synchronized (INSTANCE_LOCK) {
40             if (sInstance == null) {
41                 sInstance = new LeAudioObjectsFactory();
42             }
43         }
44         return sInstance;
45     }
46 
47     /**
48      * Allow unit tests to substitute {@link LeAudioObjectsFactory} with a test instance
49      *
50      * @param objectsFactory a test instance of the {@link LeAudioObjectsFactory}
51      */
52     @VisibleForTesting
setInstanceForTesting(LeAudioObjectsFactory objectsFactory)53     public static void setInstanceForTesting(LeAudioObjectsFactory objectsFactory) {
54         Utils.enforceInstrumentationTestMode();
55         synchronized (INSTANCE_LOCK) {
56             Log.d(TAG, "setInstanceForTesting(), set to " + objectsFactory);
57             sInstance = objectsFactory;
58         }
59     }
60 
61     /**
62      * Get a {@link LeAudioTmapGattServer} object
63      *
64      * @param context local context
65      */
getTmapGattServer(Context context)66     public LeAudioTmapGattServer getTmapGattServer(Context context) {
67         return new LeAudioTmapGattServer(
68                 new LeAudioTmapGattServer.BluetoothGattServerProxy(context));
69     }
70 }
71