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
17package com.android.dialer.p13n.logging;
18
19import android.content.Context;
20import android.support.annotation.NonNull;
21import com.android.contacts.common.list.PhoneNumberListAdapter;
22import com.android.dialer.common.Assert;
23
24/** Single entry point for all logging for personalization. */
25public final class P13nLogging {
26
27  private static P13nLogger logger;
28
29  private P13nLogging() {}
30
31  @NonNull
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
57  public static void setForTesting(@NonNull P13nLogger logger) {
58    P13nLogging.logger = logger;
59  }
60}
61