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.p13n.logging;
18 
19 import android.content.Context;
20 import android.support.annotation.NonNull;
21 import com.android.contacts.common.list.PhoneNumberListAdapter;
22 import com.android.dialer.common.Assert;
23 
24 /** Single entry point for all logging for personalization. */
25 public final class P13nLogging {
26 
27   private static P13nLogger logger;
28 
P13nLogging()29   private P13nLogging() {}
30 
31   @NonNull
get(@onNull Context context)32   public static P13nLogger get(@NonNull Context context) {
33     Assert.isNotNull(context);
34     Assert.isMainThread();
35     if (logger != null) {
36       return logger;
37     }
38 
39     Context application = context.getApplicationContext();
40     if (application instanceof P13nLoggerFactory) {
41       logger = ((P13nLoggerFactory) application).newP13nLogger(context);
42     }
43 
44     if (logger == null) {
45       logger =
46           new P13nLogger() {
47             @Override
48             public void onSearchQuery(String query, PhoneNumberListAdapter adapter) {}
49 
50             @Override
51             public void reset() {}
52           };
53     }
54     return logger;
55   }
56 
setForTesting(@onNull P13nLogger logger)57   public static void setForTesting(@NonNull P13nLogger logger) {
58     P13nLogging.logger = logger;
59   }
60 }
61