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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  package org.apache.logging.log4j.core.config;
18  
19  import java.io.Serializable;
20  
21  import org.apache.logging.log4j.Level;
22  import org.apache.logging.log4j.core.Appender;
23  import org.apache.logging.log4j.core.Layout;
24  import org.apache.logging.log4j.core.appender.ConsoleAppender;
25  import org.apache.logging.log4j.core.layout.PatternLayout;
26  import org.apache.logging.log4j.util.PropertiesUtil;
27  
28  /**
29   * The default configuration writes all output to the Console using the default logging level. You configure default
30   * logging level by setting the system property "org.apache.logging.log4j.level" to a level name. If you do not
31   * specify the property, Log4j uses the ERROR Level. Log Events will be printed using the basic formatting provided
32   * by each Message.
33   */
34  public class DefaultConfiguration extends BaseConfiguration {
35  
36      /**
37       * The name of the default configuration.
38       */
39      public static final String DEFAULT_NAME = "Default";
40      /**
41       * The System Property used to specify the logging level.
42       */
43      public static final String DEFAULT_LEVEL = "org.apache.logging.log4j.level";
44  
45      /**
46       * Constructor to create the default configuration.
47       */
48      public DefaultConfiguration() {
49  
50          setName(DEFAULT_NAME);
51          final Layout<? extends Serializable> layout =
52                  PatternLayout.createLayout("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n", null, null, null, null, null);
53          final Appender appender =
54                  ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "false", "true");
55          appender.start();
56          addAppender(appender);
57          final LoggerConfig root = getRootLogger();
58          root.addAppender(appender, null, null);
59  
60          final String levelName = PropertiesUtil.getProperties().getStringProperty(DEFAULT_LEVEL);
61          final Level level = levelName != null && Level.valueOf(levelName) != null ?
62              Level.valueOf(levelName) : Level.ERROR;
63          root.setLevel(level);
64      }
65  
66      @Override
67      protected void doConfigure() {
68      }
69  }