| 
Class Summary | 
| AbstractLogger | 
Abstract base class to write messages about interesting things happening to a
 log. | 
| DefaultLoggingErrorHandler | 
LoggingErrorHandler to throw a LoggingException on every
 message that cannot be logged. | 
| Level | 
Declaration of different logging levels. | 
| Log4jLogger | 
Logger to delaget to Log4j. | 
| NoneLogger | 
A Logger that does not log anywhere. | 
| SunLogger | 
Logger using java.util.logging.Logger. | 
| SystemLogger | 
Logger to write messages to System.out (debug, info) and
 System.err (warn, error). | 
| WriterLogger | 
Logger to log to a Writer, for example a FileWriter or StringWriter. |