org.graylog2.syslog4j.impl.backlog

Class NullSyslogBackLogHandler

java.lang.Object

org.graylog2.syslog4j.impl.backlog.NullSyslogBackLogHandler

All Implemented Interfaces:

SyslogBackLogHandlerIF

public class NullSyslogBackLogHandler
extends Object
implements SyslogBackLogHandlerIF

NullSyslogBackLogHandler can be used if there's no need for a last-chance logging mechanism whenever the Syslog protocol fails.

Syslog4j is licensed under the Lesser GNU Public License v2.1. A copy of the LGPL license is available in the META-INF folder in all distributions of Syslog4j and in the base directory of the "doc" ZIP.

Version:

$Id: NullSyslogBackLogHandler.java,v 1.2 2010/10/25 03:50:25 cvs Exp $

Author:

<syslog4j@productivity.org>

Field Summary

Fields

Modifier and Type	Field and Description
static NullSyslogBackLogHandler	INSTANCE

Constructor Summary

Constructors

Constructor and Description
NullSyslogBackLogHandler()

Method Summary

Modifier and Type	Method and Description
void	down(SyslogIF syslog, String reason) Implement down(syslog,reason) to notify/log when the syslog protocol is unavailable.
void	initialize() Implement initialize() to handle one-time set-up for this backLog handler.
void	log(SyslogIF syslog, int level, String message, String reason)
void	up(SyslogIF syslog) Implement up(syslog) to notify/log when the syslog protocol becomes available after a down condition.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullSyslogBackLogHandler INSTANCE

Constructor Detail

NullSyslogBackLogHandler

public NullSyslogBackLogHandler()

Method Detail

initialize

public void initialize()

Description copied from interface: SyslogBackLogHandlerIF

Implement initialize() to handle one-time set-up for this backLog handler.

Specified by:

initialize in interface SyslogBackLogHandlerIF

down

public void down(SyslogIF syslog,
                 String reason)

Description copied from interface: SyslogBackLogHandlerIF

Implement down(syslog,reason) to notify/log when the syslog protocol is unavailable.

Specified by:

down in interface SyslogBackLogHandlerIF

Parameters:

syslog - - SyslogIF instance causing this down condition

reason - - reason given for the down condition

up

public void up(SyslogIF syslog)

Description copied from interface: SyslogBackLogHandlerIF

Implement up(syslog) to notify/log when the syslog protocol becomes available after a down condition.

Specified by:

up in interface SyslogBackLogHandlerIF

Parameters:

syslog - - SyslogIF instance which is now available

log

public void log(SyslogIF syslog,
                int level,
                String message,
                String reason)

Specified by:

log in interface SyslogBackLogHandlerIF

Parameters:

syslog - - SyslogIF instance which cannot handle this log event

level - - message level

message - - message (in String form)

reason - - reason given for why this message could not be handled