| /* |
| * Copyright (C) 2016 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.server.wifi.util; |
| |
| import android.annotation.NonNull; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.server.wifi.WifiInjector; |
| import com.android.server.wifi.WifiLog; |
| |
| /** |
| * This class subclasses Handler to log incoming messages |
| */ |
| public class WifiHandler extends Handler { |
| private static final String LOG_TAG = "WifiHandler"; |
| private WifiLog mLog; |
| private String mTag; |
| |
| public WifiHandler(String tag, Looper looper) { |
| super(looper); |
| mTag = LOG_TAG + "." + tag; |
| } |
| |
| @NonNull |
| private WifiLog getOrInitLog() { |
| // Lazy initialization of mLog |
| if (mLog == null) { |
| mLog = WifiInjector.getInstance().makeLog(mTag); |
| } |
| return mLog; |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| getOrInitLog().trace("Received message=% sendingUid=%") |
| .c(msg.what) |
| .c(msg.sendingUid) |
| .flush(); |
| } |
| |
| /** |
| * @hide |
| */ |
| @VisibleForTesting |
| public void setWifiLog(WifiLog wifiLog) { |
| // TODO WifiInjector should be passed as a variable in the constructor |
| // b/33308811 tracks removing lazy initializations of mLog |
| mLog = wifiLog; |
| } |
| } |