1 /*
2  * Copyright (C) 2016 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.dialer.phonenumbercache;
18 
19 import android.content.Context;
20 import java.util.Objects;
21 
22 /** Accessor for the phone number cache bindings. */
23 public class PhoneNumberCache {
24 
25   private static PhoneNumberCacheBindings phoneNumberCacheBindings;
26 
PhoneNumberCache()27   private PhoneNumberCache() {}
28 
get(Context context)29   public static PhoneNumberCacheBindings get(Context context) {
30     Objects.requireNonNull(context);
31     if (phoneNumberCacheBindings != null) {
32       return phoneNumberCacheBindings;
33     }
34 
35     Context application = context.getApplicationContext();
36     if (application instanceof PhoneNumberCacheBindingsFactory) {
37       phoneNumberCacheBindings =
38           ((PhoneNumberCacheBindingsFactory) application).newPhoneNumberCacheBindings();
39     }
40 
41     if (phoneNumberCacheBindings == null) {
42       phoneNumberCacheBindings = new PhoneNumberCacheBindingsStub();
43     }
44     return phoneNumberCacheBindings;
45   }
46 
setForTesting(PhoneNumberCacheBindings phoneNumberCacheBindings)47   public static void setForTesting(PhoneNumberCacheBindings phoneNumberCacheBindings) {
48     PhoneNumberCache.phoneNumberCacheBindings = phoneNumberCacheBindings;
49   }
50 }
51