| /* |
| * Copyright (C) The Apache Software Foundation. All rights reserved. |
| * |
| * This software is published under the terms of the Apache Software |
| * License version 1.1, a copy of which has been included with this |
| * distribution in the LICENSE.txt file. */ |
| |
| package subclass; |
| |
| import org.apache.log4j.*; |
| import customLevel.XLevel; |
| |
| /** |
| A simple example showing logger subclassing. |
| |
| <p>See <b><a href="doc-files/MyLogger.java">source code</a></b> |
| for more details. |
| |
| <p>See {@link MyLoggerTest} for a usage example. |
| |
| */ |
| public class MyLogger extends Logger { |
| |
| // It's usually a good idea to add a dot suffix to the fully |
| // qualified class name. This makes caller localization to work |
| // properly even from classes that have almost the same fully |
| // qualified class name as MyLogger, e.g. MyLoggerTest. |
| static String FQCN = MyLogger.class.getName() + "."; |
| |
| // It's enough to instantiate a factory once and for all. |
| private static MyLoggerFactory myFactory = new MyLoggerFactory(); |
| |
| /** |
| Just calls the parent constuctor. |
| */ |
| public MyLogger(String name) { |
| super(name); |
| } |
| |
| /** |
| Overrides the standard debug method by appending " world" at the |
| end of each message. */ |
| public |
| void debug(Object message) { |
| super.log(FQCN, Level.DEBUG, message + " world.", null); |
| } |
| |
| /** |
| This method overrides {@link Logger#getLogger} by supplying |
| its own factory type as a parameter. |
| */ |
| public static Logger getLogger(String name) { |
| return Logger.getLogger(name, myFactory); |
| } |
| |
| public |
| void trace(Object message) { |
| super.log(FQCN, XLevel.TRACE, message, null); |
| } |
| } |
| |
| |