Java example source code file (Log4j12Calls.java)

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Java - Java tags/keywords

entering, exception, exiting, here, log4j12calls, logger, testcase, trace, violets

The Log4j12Calls.java Java example source code

/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * 
 * Copyright (C) 1999-2006, QOS.ch
 * 
 * This library is free software, you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation.
 */
package test;

import junit.framework.TestCase;

import org.apache.log4j.Logger;
import org.apache.log4j.MDC;

/**
 * 
 * A test case that issues the typical calls
 * that an application using log4j 1.2 would do.
 *
 * @author Ceki Gülcü
 * @author Sébastien Pennec
 */
public class Log4j12Calls extends TestCase {
  public static final Logger logger = Logger.getLogger(Log4j12Calls.class);
  
  public void testLog() {
    MDC.put("key", "value1");
    
    logger.trace("Trace level can be noisy");
    logger.debug("Entering application");
    logger.info("Violets are blue");
    logger.warn("Here is a warning");
    logger.error("Exiting application", new Exception("just testing"));
    
    MDC.remove("key");
  }
}