org.graylog2.syslog4j.impl.backlog.log4j

Class Log4jSyslogBackLogHandler

java.lang.Object

org.graylog2.syslog4j.impl.backlog.AbstractSyslogBackLogHandler

org.graylog2.syslog4j.impl.backlog.log4j.Log4jSyslogBackLogHandler

All Implemented Interfaces:

SyslogBackLogHandlerIF

public class Log4jSyslogBackLogHandler
extends AbstractSyslogBackLogHandler

Log4jSyslogBackLogHandler is used to send Syslog backLog messages to Log4j 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: Log4jSyslogBackLogHandler.java,v 1.2 2009/07/22 15:54:23 cvs Exp $

Author:

<syslog4j@productivity.org>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.log4j.Level	downLevel
protected org.apache.log4j.Logger	logger
protected org.apache.log4j.Level	upLevel

Fields inherited from class org.graylog2.syslog4j.impl.backlog.AbstractSyslogBackLogHandler

appendReason

Constructor Summary

Constructors

Constructor and Description
Log4jSyslogBackLogHandler(Class loggerClass)
Log4jSyslogBackLogHandler(Class loggerClass, boolean appendReason)
Log4jSyslogBackLogHandler(org.apache.log4j.Logger logger)
Log4jSyslogBackLogHandler(org.apache.log4j.Logger logger, boolean appendReason)
Log4jSyslogBackLogHandler(String loggerName)
Log4jSyslogBackLogHandler(String loggerName, boolean appendReason)
Log4jSyslogBackLogHandler(String loggerName, org.apache.log4j.spi.LoggerFactory loggerFactory)
Log4jSyslogBackLogHandler(String loggerName, org.apache.log4j.spi.LoggerFactory loggerFactory, boolean appendReason)

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.
protected static org.apache.log4j.Level	getLog4jLevel(int level)
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 org.graylog2.syslog4j.impl.backlog.AbstractSyslogBackLogHandler

combine

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected org.apache.log4j.Logger logger

downLevel

protected org.apache.log4j.Level downLevel

upLevel

protected org.apache.log4j.Level upLevel

Constructor Detail

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(org.apache.log4j.Logger logger)
                          throws SyslogRuntimeException

Throws:

SyslogRuntimeException

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(org.apache.log4j.Logger logger,
                                 boolean appendReason)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(Class loggerClass)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(Class loggerClass,
                                 boolean appendReason)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(String loggerName)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(String loggerName,
                                 boolean appendReason)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(String loggerName,
                                 org.apache.log4j.spi.LoggerFactory loggerFactory)

Log4jSyslogBackLogHandler

public Log4jSyslogBackLogHandler(String loggerName,
                                 org.apache.log4j.spi.LoggerFactory loggerFactory,
                                 boolean appendReason)

Method Detail

initialize

public void initialize()
                throws SyslogRuntimeException

Description copied from interface: SyslogBackLogHandlerIF

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

Throws:

SyslogRuntimeException

getLog4jLevel

protected static org.apache.log4j.Level getLog4jLevel(int level)

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.

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.

Parameters:

syslog - - SyslogIF instance which is now available

log

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

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

Throws:

SyslogRuntimeException - - throwing this Exception activates the next backlogHandler in the chain