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/*
* Copyright (C) 2017 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.AppVersionItem;
import com.android.loganalysis.item.DumpsysPackageStatsItem;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/** A {@link IParser} to parse package stats and create a mapping table of packages and versions */
public class DumpsysPackageStatsParser implements IParser {
/** Matches: Package [com.google.android.googlequicksearchbox] (607929e): */
private static final Pattern PACKAGE_NAME = Pattern.compile("^\\s*Package \\[(.*)\\].*");
/** Matches: versionCode=300734793 minSdk=10000 targetSdk=10000 */
private static final Pattern VERSION_CODE = Pattern.compile("^\\s*versionCode=(\\d+).*");
/** Matches: versionName=6.16.35.26.arm64 */
private static final Pattern VERSION_NAME = Pattern.compile("^\\s*versionName=(.*)$");
/**
* {@inheritDoc}
*
* @return The {@link DumpsysPackageStatsItem}.
*/
@Override
public DumpsysPackageStatsItem parse(List<String> lines) {
DumpsysPackageStatsItem item = new DumpsysPackageStatsItem();
String packageName = null;
String versionCode = null;
String versionName = null;
for (String line : lines) {
Matcher m = PACKAGE_NAME.matcher(line);
if (m.matches()) {
packageName = m.group(1);
versionCode = null;
versionName = null;
continue;
}
m = VERSION_CODE.matcher(line);
if (m.matches()) {
versionCode = m.group(1);
continue;
}
m = VERSION_NAME.matcher(line);
if (m.matches()) {
versionName = m.group(1).trim();
if (packageName != null && versionCode != null) {
item.put(
packageName,
new AppVersionItem(Integer.parseInt(versionCode), versionName));
}
packageName = null;
}
}
return item;
}
}
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