SK.gnome.dwarf.log
Class SystemLogger

java.lang.Object
  SK.gnome.dwarf.GenericService
      SK.gnome.dwarf.thread.ThreadService
          SK.gnome.dwarf.log.GenericLogger
              SK.gnome.dwarf.log.StreamLogger
                  SK.gnome.dwarf.log.SystemLogger

All Implemented Interfaces:

Logger, java.lang.Runnable, Service

public class SystemLogger

extends StreamLogger

The system console logger. It can be used to log the messages to the standard system console.

Field Summary

Fields inherited from class SK.gnome.dwarf.log.StreamLogger

dateTime, dateTimeFormat, extendedInfo, out

Fields inherited from class SK.gnome.dwarf.log.GenericLogger

facilities, levels, lock, LOG_FACILITY_ALL

Fields inherited from class SK.gnome.dwarf.thread.ThreadService

daemon, thread

Fields inherited from class SK.gnome.dwarf.GenericService

initParameters, parent

Fields inherited from interface SK.gnome.dwarf.Service

INITIALIZED, LOG_DEBUG, LOG_ERROR, LOG_FATAL, LOG_INFO, LOG_TRACE, LOG_WARN, LOG_XFER, SHUTDOWN, STARTED, STOPPED

Constructor Summary

SystemLogger(java.lang.String name)
Creates a new SystemLogger.

Method Summary

static void	enableLogging() Enables the logging only if it is disabled.
void	init(Server parent) Inititalizes the service and sets the output stream.
static void	setLogging(boolean enable) Enables or disables the logging.
protected boolean	wouldLog(java.lang.String facility, LogLevel level) Decides whether the logger would log a message with the given loggging level and facility.
protected void	write(long time, java.lang.String facility, LogLevel level, java.lang.String message, java.lang.Throwable error) Writes the message to the output stream.

Methods inherited from class SK.gnome.dwarf.log.StreamLogger

setDateTime, setDateTimeFormat, setDateTimeFormat, setExtendedInfo

Methods inherited from class SK.gnome.dwarf.log.GenericLogger

enableThread, getLastAccessed, log, log, loop, setFacilities, setLevels, setMarkInterval, setRepeatedInterval, shutdown, start

Methods inherited from class SK.gnome.dwarf.thread.ThreadService

finish, run, setDaemon, stop

Methods inherited from class SK.gnome.dwarf.GenericService

getAuthenticator, getAuthFacility, getFullName, getInitParameter, getInitParameterNames, getLogFacility, getLogger, getName, getParameters, getPrincipal, getShutdownTimeout, getState, log, log, login, logout, setAuthFacility, setInitParameters, setLogFacility, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SystemLogger

public SystemLogger(java.lang.String name)

Creates a new SystemLogger.

Method Detail

setLogging

public static void setLogging(boolean enable)

Enables or disables the logging.

If set to false, all instances of this class are muted until the operation is enabled again.

If a security manager is installed, the ServicePermission "setLogging" is checked first.

Parameters:

enable - true to enable logging

enableLogging

public static void enableLogging()

Enables the logging only if it is disabled.

Calls setLogging(boolean) with true only if the logging is currently disabled.

init

public void init(Server parent)
          throws ServiceException

Inititalizes the service and sets the output stream.

The stream is set to the actual value of the System.out field.

Specified by:

init in interface Service

Overrides:

init in class GenericService

Throws:

ServiceException

wouldLog

protected boolean wouldLog(java.lang.String facility,
                           LogLevel level)

Description copied from class: StreamLogger

Decides whether the logger would log a message with the given loggging level and facility.

It first checks whether the output stream has been initialized and then calls the overriden wouldLog method and returns its result.

Overrides:

wouldLog in class StreamLogger

write

protected void write(long time,
                     java.lang.String facility,
                     LogLevel level,
                     java.lang.String message,
                     java.lang.Throwable error)

Description copied from class: StreamLogger

Writes the message to the output stream.

The time argument will be formatted according to the StreamLogger.dateTimeFormat field value if writting of the date and time information is enabled via the StreamLogger.setDateTime(boolean) method.

Overrides:

write in class StreamLogger