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/*
* Copyright (C) 2015 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.loganalysis.parser;
import com.android.loganalysis.item.BatteryUsageItem;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* A {@link IParser} to parse battery usage statistics
*/
public class BatteryUsageParser implements IParser {
/**
* Matches: Capacity: 3220, Computed drain: 11.0, actual drain: 0
*/
private static final Pattern Capacity = Pattern.compile(
"^\\s*Capacity: (\\d+), Computed drain: \\d+.*");
private static final Pattern Usage = Pattern.compile("^\\s*(.*): (\\d+(\\.\\d*)?)");
private BatteryUsageItem mItem = new BatteryUsageItem();
/**
* {@inheritDoc}
*
* @return The {@link BatteryUsageItem}.
*/
@Override
public BatteryUsageItem parse(List<String> lines) {
for (String line : lines) {
Matcher m = Capacity.matcher(line);
if(m.matches()) {
mItem.setBatteryCapacity(Integer.parseInt(m.group(1)));
} else {
m = Usage.matcher(line);
if (m.matches()) {
mItem.addBatteryUsage(m.group(1), Double.parseDouble(m.group(2)));
}
}
}
return mItem;
}
/**
* Get the {@link BatteryUsageItem}.
* <p>
* Exposed for unit testing.
* </p>
*/
BatteryUsageItem getItem() {
return mItem;
}
}
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