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    import org.apache.logging.log4j.util.PropertiesUtil;
025    
026    /**
027     * The default configuration writes all output to the Console using the default logging level. You configure default
028     * logging level by setting the system property "org.apache.logging.log4j.level" to a level name. If you do not
029     * specify the property, Log4J uses the ERROR Level. Log Events will be printed using the basic formatting provided
030     * by each Message.
031     */
032    public class DefaultConfiguration extends BaseConfiguration {
033    
034        /**
035         * The name of the default configuration.
036         */
037        public static final String DEFAULT_NAME = "Default";
038        /**
039         * The System Property used to specify the logging level.
040         */
041        public static final String DEFAULT_LEVEL = "org.apache.logging.log4j.level";
042    
043        /**
044         * Constructor to create the default configuration.
045         */
046        public DefaultConfiguration() {
047    
048            setName(DEFAULT_NAME);
049            final Layout layout = PatternLayout.createLayout("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n",
050                null, null, null);
051            final Appender appender = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "false",
052                "true");
053            appender.start();
054            addAppender(appender);
055            final LoggerConfig root = getRootLogger();
056            root.addAppender(appender, null, null);
057    
058            final String levelName = PropertiesUtil.getProperties().getStringProperty(DEFAULT_LEVEL);
059            final Level level = levelName != null && Level.valueOf(levelName) != null ?
060                Level.valueOf(levelName) : Level.ERROR;
061            root.setLevel(level);
062        }
063    
064        @Override
065        protected void doConfigure() {
066        }
067    }