title: how to create MyLogger?
body: <p>I use log4j for logging. And I would like to modify methods: warn(..), error(..). I would like to modify message in this methods.
  So, is there any way, how to create my own logger?</p>
  
  <pre><code>public class MyLogger extends Logger {
  
  protected MyLogger(String name) {
      super(name);
  }
  
  @Override
  public void error(Object message) {
      message = "test - " + message;
  
      super.error(message);
  }
  
  }
  </code></pre>
  
  <p>And in class call:</p>
  
  <pre><code>private static final Logger logger = MyLogger.getLogger(TestClass.class);
  
  logger.error("error message");
  </code></pre>
  
  <p>But it, do not work. Could you help me? Thanks.</p>