Home | History | Annotate | Download | only in phonenumbercache
      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 
     27   private PhoneNumberCache() {}
     28 
     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 
     47   public static void setForTesting(PhoneNumberCacheBindings phoneNumberCacheBindings) {
     48     PhoneNumberCache.phoneNumberCacheBindings = phoneNumberCacheBindings;
     49   }
     50 }
     51