| // Copyright (C) 2009 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.google.gerrit.pgm.util; |
| |
| import com.google.gerrit.lifecycle.LifecycleListener; |
| import com.google.gerrit.server.config.SitePaths; |
| |
| import org.apache.log4j.Appender; |
| import org.apache.log4j.ConsoleAppender; |
| import org.apache.log4j.DailyRollingFileAppender; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.PatternLayout; |
| import org.apache.log4j.helpers.OnlyOnceErrorHandler; |
| import org.apache.log4j.spi.ErrorHandler; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| |
| public class ErrorLogFile { |
| static final String LOG_NAME = "error_log"; |
| |
| public static void errorOnlyConsole() { |
| LogManager.resetConfiguration(); |
| |
| final PatternLayout layout = new PatternLayout(); |
| layout.setConversionPattern("%-5p %c %x: %m%n"); |
| |
| final ConsoleAppender dst = new ConsoleAppender(); |
| dst.setLayout(layout); |
| dst.setTarget("System.err"); |
| dst.setThreshold(Level.ERROR); |
| |
| final Logger root = LogManager.getRootLogger(); |
| root.removeAllAppenders(); |
| root.addAppender(dst); |
| } |
| |
| public static LifecycleListener start(final File sitePath) |
| throws FileNotFoundException { |
| final File logdir = new SitePaths(sitePath).logs_dir; |
| if (!logdir.exists() && !logdir.mkdirs()) { |
| throw new Die("Cannot create log directory: " + logdir); |
| } |
| |
| final PatternLayout layout = new PatternLayout(); |
| layout.setConversionPattern("[%d] %-5p %c %x: %m%n"); |
| |
| final DailyRollingFileAppender dst = new DailyRollingFileAppender(); |
| dst.setName(LOG_NAME); |
| dst.setLayout(layout); |
| dst.setEncoding("UTF-8"); |
| dst.setFile(new File(resolve(logdir), LOG_NAME).getPath()); |
| dst.setImmediateFlush(true); |
| dst.setAppend(true); |
| dst.setThreshold(Level.INFO); |
| dst.setErrorHandler(new DieErrorHandler()); |
| dst.activateOptions(); |
| dst.setErrorHandler(new OnlyOnceErrorHandler()); |
| |
| final Logger root = LogManager.getRootLogger(); |
| root.removeAllAppenders(); |
| root.addAppender(dst); |
| |
| return new LifecycleListener() { |
| @Override |
| public void start() { |
| } |
| |
| @Override |
| public void stop() { |
| LogManager.shutdown(); |
| } |
| }; |
| } |
| |
| private static File resolve(final File logs_dir) { |
| try { |
| return logs_dir.getCanonicalFile(); |
| } catch (IOException e) { |
| return logs_dir.getAbsoluteFile(); |
| } |
| } |
| |
| private ErrorLogFile() { |
| } |
| |
| private static final class DieErrorHandler implements ErrorHandler { |
| @Override |
| public void error(String message, Exception e, int errorCode, |
| LoggingEvent event) { |
| error(e != null ? e.getMessage() : message); |
| } |
| |
| @Override |
| public void error(String message, Exception e, int errorCode) { |
| error(e != null ? e.getMessage() : message); |
| } |
| |
| @Override |
| public void error(String message) { |
| throw new Die("Cannot open log file: " + message); |
| } |
| |
| @Override |
| public void activateOptions() { |
| } |
| |
| @Override |
| public void setAppender(Appender appender) { |
| } |
| |
| @Override |
| public void setBackupAppender(Appender appender) { |
| } |
| |
| @Override |
| public void setLogger(Logger logger) { |
| } |
| } |
| } |