org.jpos.util
Class RotateLogListener

java.lang.Object
  org.jpos.util.SimpleLogListener
      org.jpos.util.RotateLogListener

All Implemented Interfaces:

EventListener, Configurable, Destroyable, LogListener

Direct Known Subclasses:

DailyLogListener

public class RotateLogListener
extends SimpleLogListener
implements Configurable, Destroyable

Rotates logs

Since:

jPOS 1.2

Version:

$Revision$ $Date$

Author:

Alejandro P. Revilla

See Also:

Configurable

Nested Class Summary

class

RotateLogListener.Rotate

Field Summary

static int	CHECK_INTERVAL
static long	DEFAULT_MAXSIZE

Constructor Summary

RotateLogListener()

RotateLogListener(String logName, int sleepTime, int maxCopies)

RotateLogListener(String logName, int sleepTime, int maxCopies, long maxSize)

Method Summary

protected void	checkSize()
protected void	closeLogFile()
void	destroy()
LogEvent	log(LogEvent ev)
protected void	logDebug(String msg)
void	logRotate()
protected void	openLogFile()
void	setConfiguration(Configuration cfg) Configure this RotateLogListener Properties: file base log filename [window] in seconds (default 0 - never rotate) [count] number of copies (default 0 == single copy) [maxsize] max log size in bytes (aprox)

Methods inherited from class org.jpos.util.SimpleLogListener

close, setPrintStream

Methods inherited from class java.lang.Object

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

Field Detail

CHECK_INTERVAL

public static final int CHECK_INTERVAL

See Also:

Constant Field Values

DEFAULT_MAXSIZE

public static final long DEFAULT_MAXSIZE

See Also:

Constant Field Values

Constructor Detail

RotateLogListener

public RotateLogListener(String logName,
                         int sleepTime,
                         int maxCopies,
                         long maxSize)
                  throws IOException

Parameters:

name - base log filename

sleepTime - switch logs every t seconds

maxCopies - number of old logs

maxSize - in bytes

Throws:

IOException

RotateLogListener

public RotateLogListener(String logName,
                         int sleepTime,
                         int maxCopies)
                  throws IOException

Throws:

IOException

RotateLogListener

public RotateLogListener()

Method Detail

setConfiguration

public void setConfiguration(Configuration cfg)
                      throws ConfigurationException

Configure this RotateLogListener
Properties:

• file base log filename
• [window] in seconds (default 0 - never rotate)
• [count] number of copies (default 0 == single copy)
• [maxsize] max log size in bytes (aprox)

Specified by:

setConfiguration in interface Configurable

Parameters:

cfg - Configuration

Throws:

ConfigurationException

log

public LogEvent log(LogEvent ev)

Specified by:

log in interface LogListener

Overrides:

log in class SimpleLogListener

openLogFile

protected void openLogFile()
                    throws IOException

Throws:

IOException

closeLogFile

protected void closeLogFile()
                     throws IOException

Throws:

IOException

logRotate

public void logRotate()
               throws IOException

Throws:

IOException

logDebug

protected void logDebug(String msg)

checkSize

protected void checkSize()

destroy

public void destroy()

Specified by:

destroy in interface Destroyable