org.graylog2.syslog4j.impl.backlog.printstream

Class PrintStreamSyslogBackLogHandler

java.lang.Object

org.graylog2.syslog4j.impl.backlog.AbstractSyslogBackLogHandler

org.graylog2.syslog4j.impl.backlog.printstream.PrintStreamSyslogBackLogHandler

All Implemented Interfaces:

SyslogBackLogHandlerIF

Direct Known Subclasses:

SystemErrSyslogBackLogHandler, SystemOutSyslogBackLogHandler

public class PrintStreamSyslogBackLogHandler
extends AbstractSyslogBackLogHandler

PrintStreamSyslogBackLogHandler provides a last-chance mechanism to log messages that fail (for whatever reason) within the rest of Syslog to a PrintStream.

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: PrintStreamSyslogBackLogHandler.java,v 1.1 2009/01/24 22:00:18 cvs Exp $

Author:

<syslog4j@productivity.org>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	appendLinefeed
protected PrintStream	printStream

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

appendReason

Constructor Summary

Constructors

Constructor and Description
PrintStreamSyslogBackLogHandler(PrintStream printStream)
PrintStreamSyslogBackLogHandler(PrintStream printStream, boolean appendLinefeed)
PrintStreamSyslogBackLogHandler(PrintStream printStream, boolean appendLinefeed, 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.
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

printStream

protected PrintStream printStream

appendLinefeed

protected boolean appendLinefeed

Constructor Detail

PrintStreamSyslogBackLogHandler

public PrintStreamSyslogBackLogHandler(PrintStream printStream)

PrintStreamSyslogBackLogHandler

public PrintStreamSyslogBackLogHandler(PrintStream printStream,
                                       boolean appendLinefeed)

PrintStreamSyslogBackLogHandler

public PrintStreamSyslogBackLogHandler(PrintStream printStream,
                                       boolean appendLinefeed,
                                       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

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)

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