/*
* Copyright 1999-2012 Alibaba Group.
*
* 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.alibaba.dubbo.container.logback;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.rolling.RollingFileAppender;
import ch.qos.logback.core.rolling.TimeBasedRollingPolicy;
import com.alibaba.dubbo.common.utils.ConfigUtils;
import com.alibaba.dubbo.common.utils.StringUtils;
import com.alibaba.dubbo.container.Container;
/**
* LogbackContainer. (SPI, Singleton, ThreadSafe)
*
* @author {@link "mailto:qq55355383@gmail.com" "yi.tong"}
* @date May 30, 2012
*/
public class LogbackContainer implements Container {
public static final String LOGBACK_FILE = "dubbo.logback.file";
public static final String LOGBACK_LEVEL = "dubbo.logback.level";
public static final String LOGBACK_MAX_HISTORY = "dubbo.logback.maxhistory";
public static final String DEFAULT_LOGBACK_LEVEL = "ERROR";
public void start() {
String file = ConfigUtils.getProperty(LOGBACK_FILE);
if (file != null && file.length() > 0) {
String level = ConfigUtils.getProperty(LOGBACK_LEVEL);
if (level == null || level.length() == 0) {
level = DEFAULT_LOGBACK_LEVEL;
}
// maxHistory=0 Infinite history
int maxHistory = StringUtils.parseInteger(ConfigUtils.getProperty(LOGBACK_MAX_HISTORY));
doInitializer(file, level, maxHistory);
}
}
public void stop() {
}
/**
* Initializer logback
*
* @param file
* @param level
* @param maxHistory
*/
private void doInitializer(String file, String level, int maxHistory) {
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
rootLogger.detachAndStopAllAppenders();
// appender
RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
fileAppender.setContext(loggerContext);
fileAppender.setName("application");
fileAppender.setFile(file);
fileAppender.setAppend(true);
// policy
TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
policy.setContext(loggerContext);
policy.setMaxHistory(maxHistory);
policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
policy.setParent(fileAppender);
policy.start();
fileAppender.setRollingPolicy(policy);
// encoder
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
encoder.setContext(loggerContext);
encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
encoder.start();
fileAppender.setEncoder(encoder);
fileAppender.start();
rootLogger.addAppender(fileAppender);
rootLogger.setLevel(Level.toLevel(level));
rootLogger.setAdditive(false);
}
}