Java tutorial
/* * Stallion Core: A Modern Web Framework * * Copyright (C) 2015 - 2016 Stallion Software LLC. * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation, either version 2 of * the License, or (at your option) any later version. This program is distributed in the hope that * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public * License for more details. You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>. * * * */ package io.stallion.services; import org.apache.commons.lang3.ArrayUtils; import java.util.HashMap; import java.util.Map; import java.util.logging.Filter; import java.util.logging.Level; import java.util.logging.LogRecord; import static io.stallion.utils.Literals.*; public class LogFilter implements Filter { private Map<String, Level> packageLogLevelMap = new HashMap<>(); private Level defaultLevel = Level.INFO; public LogFilter(Level defaultLevel, Map<String, String> packageLogLevelMap) { for (Map.Entry<String, String> entry : packageLogLevelMap.entrySet()) { String packageName = entry.getKey().replace("io.stallion", "."); this.packageLogLevelMap.put(packageName, Level.parse(entry.getValue().toUpperCase())); } this.defaultLevel = defaultLevel; } @Override public boolean isLoggable(LogRecord record) { Level overrideLevel = packageLogLevelMap.getOrDefault(toPackageName(record), null); if (overrideLevel != null) { if (record.getLevel().intValue() >= overrideLevel.intValue()) { return true; } else { return false; } } return record.getLevel().intValue() >= defaultLevel.intValue(); } private String toPackageName(LogRecord record) { int i = record.getSourceClassName().lastIndexOf("."); if (i == -1) { return ""; } return record.getSourceClassName().substring(0, i); } }