org.picocontainer.gems.monitors
Class Log4JComponentMonitor

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

All Implemented Interfaces:

Serializable, org.picocontainer.ComponentMonitor

public class Log4JComponentMonitor
extends Object
implements org.picocontainer.ComponentMonitor, 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.

Author:

Paul Hammant, Mauro Talevi

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.picocontainer.ComponentMonitor

KEEP

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)
<T> void	instantiated(org.picocontainer.PicoContainer container, org.picocontainer.ComponentAdapter<T> componentAdapter, Constructor<T> constructor, Object instantiated, Object[] parameters, long duration)
<T> Constructor<T>	instantiating(org.picocontainer.PicoContainer container, org.picocontainer.ComponentAdapter<T> componentAdapter, Constructor<T> constructor)
<T> void	instantiationFailed(org.picocontainer.PicoContainer container, org.picocontainer.ComponentAdapter<T> componentAdapter, Constructor<T> constructor, Exception cause)
void	invocationFailed(Member member, Object instance, Exception cause)
void	invoked(org.picocontainer.PicoContainer container, org.picocontainer.ComponentAdapter<?> componentAdapter, Member member, Object instance, long duration, Object[] args, Object retVal)
Object	invoking(org.picocontainer.PicoContainer container, org.picocontainer.ComponentAdapter<?> componentAdapter, Member member, Object instance, Object[] args)
void	lifecycleInvocationFailed(org.picocontainer.MutablePicoContainer container, org.picocontainer.ComponentAdapter<?> componentAdapter, Method method, Object instance, RuntimeException cause)
org.picocontainer.Behavior	newBehavior(org.picocontainer.Behavior behavior)
org.picocontainer.Injector	newInjector(org.picocontainer.Injector injector)
Object	noComponentFound(org.picocontainer.MutablePicoContainer container, Object componentKey)

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

delegate - the delegate

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

delegate - the delegate

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

delegate - the delegate

Log4JComponentMonitor

public Log4JComponentMonitor(org.picocontainer.ComponentMonitor delegate)

Method Detail

instantiating

public <T> Constructor<T> instantiating(org.picocontainer.PicoContainer container,
                                        org.picocontainer.ComponentAdapter<T> componentAdapter,
                                        Constructor<T> constructor)

Specified by:

instantiating in interface org.picocontainer.ComponentMonitor

instantiated

public <T> void instantiated(org.picocontainer.PicoContainer container,
                             org.picocontainer.ComponentAdapter<T> componentAdapter,
                             Constructor<T> constructor,
                             Object instantiated,
                             Object[] parameters,
                             long duration)

Specified by:

instantiated in interface org.picocontainer.ComponentMonitor

instantiationFailed

public <T> void instantiationFailed(org.picocontainer.PicoContainer container,
                                    org.picocontainer.ComponentAdapter<T> componentAdapter,
                                    Constructor<T> constructor,
                                    Exception cause)

Specified by:

instantiationFailed in interface org.picocontainer.ComponentMonitor

invoking

public Object invoking(org.picocontainer.PicoContainer container,
                       org.picocontainer.ComponentAdapter<?> componentAdapter,
                       Member member,
                       Object instance,
                       Object[] args)

Specified by:

invoking in interface org.picocontainer.ComponentMonitor

invoked

public void invoked(org.picocontainer.PicoContainer container,
                    org.picocontainer.ComponentAdapter<?> componentAdapter,
                    Member member,
                    Object instance,
                    long duration,
                    Object[] args,
                    Object retVal)

Specified by:

invoked in interface org.picocontainer.ComponentMonitor

invocationFailed

public void invocationFailed(Member member,
                             Object instance,
                             Exception cause)

Specified by:

invocationFailed in interface org.picocontainer.ComponentMonitor

lifecycleInvocationFailed

public void lifecycleInvocationFailed(org.picocontainer.MutablePicoContainer container,
                                      org.picocontainer.ComponentAdapter<?> componentAdapter,
                                      Method method,
                                      Object instance,
                                      RuntimeException cause)

Specified by:

lifecycleInvocationFailed in interface org.picocontainer.ComponentMonitor

noComponentFound

public Object noComponentFound(org.picocontainer.MutablePicoContainer container,
                               Object componentKey)

Specified by:

noComponentFound in interface org.picocontainer.ComponentMonitor

newInjector

public org.picocontainer.Injector newInjector(org.picocontainer.Injector injector)

Specified by:

newInjector in interface org.picocontainer.ComponentMonitor

newBehavior

public org.picocontainer.Behavior newBehavior(org.picocontainer.Behavior behavior)

Specified by:

newBehavior in interface org.picocontainer.ComponentMonitor

getLogger

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