org.picocontainer.gems.monitors
Class Log4JComponentMonitor

java.lang.Object
  org.picocontainer.monitors.AbstractComponentMonitor
      org.picocontainer.gems.monitors.Log4JComponentMonitor

All Implemented Interfaces:

org.picocontainer.ComponentMonitor, Serializable

public class Log4JComponentMonitor

extends org.picocontainer.monitors.AbstractComponentMonitor

implements Serializable

A ComponentMonitor which writes to a Log4J Logger instance. The Logger instance can either be injected or, if not set, the LogManager will be used to retrieve it at every invocation of the monitor.

Version:

$Revision: $

Author:

Paul Hammant, Mauro Talevi

See Also:

Serialized Form

Field Summary

Fields inherited from class org.picocontainer.monitors.AbstractComponentMonitor

INSTANTIATED, INSTANTIATED2, INSTANTIATING, INSTANTIATION_FAILED, INVOCATION_FAILED, INVOKED, INVOKING, LIFECYCLE_INVOCATION_FAILED

Constructor Summary

Log4JComponentMonitor()
Creates a Log4JComponentMonitor with no Logger instance set.

Log4JComponentMonitor(Class loggerClass)
Creates a Log4JComponentMonitor with a given Logger instance class.

Log4JComponentMonitor(Class loggerClass, org.picocontainer.ComponentMonitor delegate)
Creates a Log4JComponentMonitor with a given Logger instance class.

Log4JComponentMonitor(org.picocontainer.ComponentMonitor delegate)

Log4JComponentMonitor(org.apache.log4j.Logger logger)
Creates a Log4JComponentMonitor with a given Logger instance

Log4JComponentMonitor(org.apache.log4j.Logger logger, org.picocontainer.ComponentMonitor delegate)
Creates a Log4JComponentMonitor with a given Logger instance

Log4JComponentMonitor(String loggerName)
Creates a Log4JComponentMonitor with a given Logger instance name.

Log4JComponentMonitor(String loggerName, org.picocontainer.ComponentMonitor delegate)
Creates a Log4JComponentMonitor with a given Logger instance name.

Method Summary

protected org.apache.log4j.Logger	getLogger(Member member)
void	instantiated(Constructor constructor, long duration)
void	instantiated(Constructor constructor, Object instantiated, Object[] parameters, long duration)
void	instantiating(Constructor constructor)
void	instantiationFailed(Constructor constructor, Exception cause)
void	invocationFailed(Method method, Object instance, Exception cause)
void	invoked(Method method, Object instance, long duration)
void	invoking(Method method, Object instance)
void	lifecycleInvocationFailed(Method method, Object instance, RuntimeException cause)

Methods inherited from class org.picocontainer.monitors.AbstractComponentMonitor

format, toString, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Log4JComponentMonitor

public Log4JComponentMonitor()

Creates a Log4JComponentMonitor with no Logger instance set. The LogManager will be used to retrieve the Logger instance at every invocation of the monitor.

Log4JComponentMonitor

public Log4JComponentMonitor(Class loggerClass)

Creates a Log4JComponentMonitor with a given Logger instance class. The class name is used to retrieve the Logger instance.

Parameters:

loggerClass - the class of the Logger

Log4JComponentMonitor

public Log4JComponentMonitor(String loggerName)

Creates a Log4JComponentMonitor with a given Logger instance name. It uses the LogManager to create the Logger instance.

Parameters:

loggerName - the name of the Log

Log4JComponentMonitor

public Log4JComponentMonitor(org.apache.log4j.Logger logger)

Creates a Log4JComponentMonitor with a given Logger instance

Parameters:

logger - the Logger to write to

Log4JComponentMonitor

public Log4JComponentMonitor(Class loggerClass,
                             org.picocontainer.ComponentMonitor delegate)

Creates a Log4JComponentMonitor with a given Logger instance class. The class name is used to retrieve the Logger instance.

Parameters:

loggerClass - the class of the Logger

Log4JComponentMonitor

public Log4JComponentMonitor(String loggerName,
                             org.picocontainer.ComponentMonitor delegate)

Creates a Log4JComponentMonitor with a given Logger instance name. It uses the LogManager to create the Logger instance.

Parameters:

loggerName - the name of the Log

Log4JComponentMonitor

public Log4JComponentMonitor(org.apache.log4j.Logger logger,
                             org.picocontainer.ComponentMonitor delegate)

Creates a Log4JComponentMonitor with a given Logger instance

Parameters:

logger - the Logger to write to

Log4JComponentMonitor

public Log4JComponentMonitor(org.picocontainer.ComponentMonitor delegate)

Method Detail

instantiating

public void instantiating(Constructor constructor)

Specified by:

instantiating in interface org.picocontainer.ComponentMonitor

instantiated

public void instantiated(Constructor constructor,
                         long duration)

Specified by:

instantiated in interface org.picocontainer.ComponentMonitor

instantiated

public void instantiated(Constructor constructor,
                         Object instantiated,
                         Object[] parameters,
                         long duration)

Specified by:

instantiated in interface org.picocontainer.ComponentMonitor

instantiationFailed

public void instantiationFailed(Constructor constructor,
                                Exception cause)

Specified by:

instantiationFailed in interface org.picocontainer.ComponentMonitor

invoking

public void invoking(Method method,
                     Object instance)

Specified by:

invoking in interface org.picocontainer.ComponentMonitor

invoked

public void invoked(Method method,
                    Object instance,
                    long duration)

Specified by:

invoked in interface org.picocontainer.ComponentMonitor

invocationFailed

public void invocationFailed(Method method,
                             Object instance,
                             Exception cause)

Specified by:

invocationFailed in interface org.picocontainer.ComponentMonitor

lifecycleInvocationFailed

public void lifecycleInvocationFailed(Method method,
                                      Object instance,
                                      RuntimeException cause)

Specified by:

lifecycleInvocationFailed in interface org.picocontainer.ComponentMonitor

getLogger

protected org.apache.log4j.Logger getLogger(Member member)