Copyright | Copyright (C) 2004-2011 John Goerzen |
---|---|
License | BSD3 |
Maintainer | John Goerzen <jgoerzen@complete.org> |
Stability | provisional |
Portability | portable |
Safe Haskell | None |
Language | Haskell2010 |
System.Wlog.Handler
Contents
Description
Definition of log handler support
For some handlers, check out System.WLog.Handler.Simple and System.WLog.Handler.Syslog.
Please see System.WLog.Logger for extensive documentation on the logging system.
Written by John Goerzen, jgoerzen@complete.org
- class LogHandler a where
Basic Types
class LogHandler a where Source #
This is the base class for the various log handlers. They should all adhere to this class.
Methods
getTag :: a -> String Source #
Tag of handler. Is arbitrary. Made for identication.
setLevel :: a -> Severity -> a Source #
Sets the log level. handle
will drop items beneath this
level.
getLevel :: a -> Severity Source #
Gets the current level.
setFormatter :: a -> LogFormatter a -> a Source #
Set a log formatter to customize the log format for this Handler
getFormatter :: a -> LogFormatter a Source #
handle :: a -> LogRecord -> String -> IO () Source #
Logs an event if it meets the requirements
given by the most recent call to setLevel
.
emit :: a -> LogRecord -> String -> IO () Source #
Forces an event to be logged regardless of the configured level.
Closes the logging system, causing it to close any open files, etc.
Instances