001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache license, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the license for the specific language governing permissions and
015     * limitations under the license.
016     */
017    package org.apache.logging.log4j.core.config;
018    
019    import org.apache.logging.log4j.Level;
020    import org.apache.logging.log4j.core.Appender;
021    import org.apache.logging.log4j.core.Layout;
022    import org.apache.logging.log4j.core.appender.ConsoleAppender;
023    import org.apache.logging.log4j.core.layout.PatternLayout;
024    
025    /**
026     * The default configuration writes all output to the Console using the default logging level. You configure default logging level by setting the
027     * system property "org.apache.logging.log4j.level" to a level name. If you do not specify the property, Log4J uses the ERROR Level. Log
028     * Events will be printed using the basic formatting provided by each Message.
029     */
030    public class DefaultConfiguration extends BaseConfiguration {
031    
032        /**
033         * The name of the default configuration.
034         */
035        public static final String DEFAULT_NAME = "Default";
036        /**
037         * The System Proerty used to specify the logging level.
038         */
039        public static final String DEFAULT_LEVEL = "org.apache.logging.log4j.level";
040    
041        /**
042         * Constructor to create the default configuration.
043         */
044        public DefaultConfiguration() {
045    
046            setName(DEFAULT_NAME);
047            Layout layout = PatternLayout.createLayout("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n",
048                null, null, null);
049            Appender appender = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "true");
050            appender.start();
051            addAppender(appender);
052            LoggerConfig root = getRootLogger();
053            root.addAppender(appender, null, null);
054    
055            String levelName = System.getProperty(DEFAULT_LEVEL);
056            Level level = levelName != null && Level.valueOf(levelName) != null ? Level.valueOf(levelName) : Level.ERROR;
057            root.setLevel(level);
058        }
059    
060        @Override
061        protected void doConfigure() {
062        }
063    }