| // Copyright (C) 2020 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.gerritforge.gerrit.globalrefdb.validation; |
| |
| import com.google.gerrit.server.util.SystemLog; |
| import org.apache.log4j.AsyncAppender; |
| import org.apache.log4j.Layout; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| /** Abstract class to be extended by lib modules willing to create file loggers. */ |
| public abstract class LibModuleLogFile { |
| |
| /** |
| * Constructs an instance of {@code LibModuleLogFile} which creates an asynchronous appender with |
| * the provided logName and layout |
| * |
| * @param systemLog - to create the log appender |
| * @param logName - the name of the log file |
| * @param layout - the layout for the log |
| * @see org.apache.log4j.PatternLayout |
| */ |
| public LibModuleLogFile(SystemLog systemLog, String logName, Layout layout) { |
| AsyncAppender asyncAppender = systemLog.createAsyncAppender(logName, layout, true, true); |
| Logger logger = LogManager.getLogger(logName); |
| logger.removeAppender(logName); |
| logger.addAppender(asyncAppender); |
| logger.setAdditivity(false); |
| } |
| } |