public  void addPropertyChangeListener(PropertyChangeListener listener)
Add a property change listener to this component.

 public Container getContainer()
Return the Container with which this Logger has been associated.

 public String getInfo()
Return descriptive information about this Logger implementation and
the corresponding version number, in the format
<description>/<version>.

 public int getVerbosity()
Return the verbosity level of this logger. Messages logged with a
higher verbosity than this level will be silently ignored.

 public  void log(String message)
Writes the specified message to a servlet log file, usually an event
log. The name and type of the servlet log is specific to the
servlet container. This message will be logged unconditionally.

 public  void log(Exception exception,
    String msg)
Writes the specified exception, and message, to a servlet log file.
The implementation of this method should call
log(msg, exception) instead. This method is deprecated
in the ServletContext interface, but not deprecated here to avoid
many useless compiler warnings. This message will be logged
unconditionally.

 public  void log(String message,
    Throwable throwable)
Writes an explanatory message and a stack trace for a given
Throwable exception to the servlet log file. The name
and type of the servlet log file is specific to the servlet container,
usually an event log. This message will be logged unconditionally.

 public  void log(String message,
    int verbosity)
Writes the specified message to the servlet log file, usually an event
log, if the logger is set to a verbosity level equal to or higher than
the specified value for this message.

 public  void log(String message,
    Throwable throwable,
    int verbosity)
Writes the specified message and exception to the servlet log file,
usually an event log, if the logger is set to a verbosity level equal
to or higher than the specified value for this message.

 public  void removePropertyChangeListener(PropertyChangeListener listener)
Remove a property change listener from this component.

 public  void setContainer(Container container)
Set the Container with which this Logger has been associated.

 public  void setVerbosity(int verbosity)
Set the verbosity level of this logger. Messages logged with a
higher verbosity than this level will be silently ignored.