001/** 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014package chapters.layouts; 015 016import org.slf4j.LoggerFactory; 017 018import ch.qos.logback.classic.Logger; 019import ch.qos.logback.classic.LoggerContext; 020import ch.qos.logback.classic.encoder.PatternLayoutEncoder; 021import ch.qos.logback.classic.spi.ILoggingEvent; 022import ch.qos.logback.core.ConsoleAppender; 023 024public class PatternSample { 025 026 static public void main(String[] args) throws Exception { 027 Logger rootLogger = (Logger) LoggerFactory.getLogger("root"); 028 LoggerContext loggerContext = rootLogger.getLoggerContext(); 029 loggerContext.reset(); 030 031 PatternLayoutEncoder encoder = new PatternLayoutEncoder(); 032 encoder.setContext(loggerContext); 033 encoder.setPattern("%-5level [%thread]: %message%n"); 034 encoder.start(); 035 036 ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<ILoggingEvent>(); 037 appender.setContext(loggerContext); 038 appender.setEncoder(encoder); 039 appender.start(); 040 041 rootLogger.addAppender(appender); 042 043 rootLogger.debug("Message 1"); 044 rootLogger.warn("Message 2"); 045 } 046}