| /* |
| * Copyright (C) 2018 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.powermodel; |
| |
| import java.io.InputStream; |
| import java.io.IOException; |
| import com.android.powermodel.component.ModemBatteryStatsReader; |
| |
| public class BatteryStatsReader { |
| /** |
| * Construct a reader. |
| */ |
| public BatteryStatsReader() { |
| } |
| |
| /** |
| * Parse a powermodel.xml file and return a PowerProfile object. |
| * |
| * @param stream An InputStream containing the batterystats output. |
| * |
| * @throws ParseException Thrown when the xml file can not be parsed. |
| * @throws IOException When there is a problem reading the stream. |
| */ |
| public static ActivityReport parse(InputStream stream) throws ParseException, IOException { |
| final Parser parser = new Parser(stream); |
| return parser.parse(); |
| } |
| |
| /** |
| * Implements the reading and power model logic. |
| */ |
| private static class Parser { |
| final InputStream mStream; |
| final ActivityReport mResult; |
| RawBatteryStats mBs; |
| |
| /** |
| * Constructor to capture the parameters to read. |
| */ |
| Parser(InputStream stream) { |
| mStream = stream; |
| mResult = new ActivityReport(); |
| } |
| |
| /** |
| * Read the stream, parse it, and apply the power model. |
| * Do not call this more than once. |
| */ |
| ActivityReport parse() throws ParseException, IOException { |
| mBs = RawBatteryStats.parse(mStream); |
| |
| final ActivityReport.Builder report = new ActivityReport.Builder(); |
| |
| report.addActivity(Component.MODEM, ModemBatteryStatsReader.createActivities(mBs)); |
| |
| return report.build(); |
| } |
| } |
| } |
| |