| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.eventlib; |
| |
| import android.content.Context; |
| |
| import java.time.Instant; |
| |
| /** Superclass of all classes which allow creating new event logs. */ |
| public abstract class EventLogger<E extends Event> { |
| |
| /** Default {@link EventLogger} to be used when there are no custom fields to be logged. */ |
| public static class Default<F extends Event> extends EventLogger<F> { |
| public Default(Context context, F event) { |
| super(context, event); |
| } |
| } |
| |
| protected EventLogger(Context context, E event) { |
| if (context == null || event == null) { |
| throw new NullPointerException(); |
| } |
| mContext = context.getApplicationContext(); |
| mEvent = event; |
| } |
| |
| private final Context mContext; |
| protected final E mEvent; |
| |
| /** |
| * Commit the log so it is accessible to be queried. |
| * |
| * <p>This will record the current package name and timestamp. |
| */ |
| public void log() { |
| mEvent.mPackageName = mContext.getPackageName(); |
| mEvent.mTimestamp = Instant.now(); |
| |
| Events.getInstance(mContext).log(mEvent); |
| } |
| } |