org.snmp4j.log

Class LogFactory

java.lang.Object

org.snmp4j.log.LogFactory

Direct Known Subclasses:

ConsoleLogFactory, JavaLogFactory, Log4jLogFactory

public class LogFactory
extends java.lang.Object

The LogFactory singleton is used by SNMP4J to determine the logging framework used to process SNMP4J log messages. By default NoLogger instances are used.

Since:

1.2.1

Version:

1.8

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	configChecked
static java.lang.String	SNMP4J_LOG_FACTORY_SYSTEM_PROPERTY
private static LogFactory	snmp4jLogFactory

Constructor Summary

Constructors

Constructor and Description
LogFactory()

Method Summary

Modifier and Type	Method and Description
private static void	checkConfig()
protected LogAdapter	createLogger(java.lang.Class c) Creates a Logger for the specified class.
protected LogAdapter	createLogger(java.lang.String className) Creates a Logger for the specified class.
private static void	getFactoryFromSystemProperty()
static LogFactory	getLogFactory() Gets the log factory to be used by SNMP4J.
static LogAdapter	getLogger(java.lang.Class c) Gets the logger for the supplied class.
static LogAdapter	getLogger(java.lang.String className) Gets the logger for the supplied class name.
LogAdapter	getRootLogger() Returns the top level logger.
java.util.Iterator	loggers() Returns all available LogAdapters in depth first order.
static void	setLogFactory(LogFactory factory) Sets the log factory to be used by SNMP4J.

Methods inherited from class java.lang.Object

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

Field Detail

SNMP4J_LOG_FACTORY_SYSTEM_PROPERTY

public static final java.lang.String SNMP4J_LOG_FACTORY_SYSTEM_PROPERTY

See Also:

Constant Field Values

snmp4jLogFactory

private static LogFactory snmp4jLogFactory

configChecked

private static boolean configChecked

Constructor Detail

LogFactory

public LogFactory()

Method Detail

getLogger

public static LogAdapter getLogger(java.lang.Class c)

Gets the logger for the supplied class.

Parameters:

c - the class for which a logger needs to be created.

Returns:

the LogAdapter instance.

checkConfig

private static void checkConfig()

getFactoryFromSystemProperty

private static void getFactoryFromSystemProperty()

getRootLogger

public LogAdapter getRootLogger()

Returns the top level logger.

Returns:

a LogAdapter instance.

Since:

1.7

getLogger

public static LogAdapter getLogger(java.lang.String className)

Gets the logger for the supplied class name.

Parameters:

className - the class name for which a logger needs to be created.

Returns:

the LogAdapter instance.

Since:

1.7

createLogger

protected LogAdapter createLogger(java.lang.Class c)

Creates a Logger for the specified class. This method returns the NoLogger logger instance which disables logging. Overwrite this method the return a custom logger to enable logging for SNMP4J.

Parameters:

c - the class for which a logger needs to be created.

Returns:

the LogAdapter instance.

createLogger

protected LogAdapter createLogger(java.lang.String className)

Creates a Logger for the specified class. This method returns the NoLogger logger instance which disables logging. Overwrite this method the return a custom logger to enable logging for SNMP4J.

Parameters:

className - the class name for which a logger needs to be created.

Returns:

the LogAdapter instance.

Since:

1.7

setLogFactory

public static void setLogFactory(LogFactory factory)

Sets the log factory to be used by SNMP4J. Call this method before any other SNMP4J class is referenced or created to set and use a custom log factory.

Parameters:

factory - a LogFactory instance.

getLogFactory

public static LogFactory getLogFactory()

Gets the log factory to be used by SNMP4J. If the log factory has not been initialized by setLogFactory(org.snmp4j.log.LogFactory) a new instance of LogFactory is returned.

Returns:

a LogFactory instance.

Since:

1.7

loggers

public java.util.Iterator loggers()

Returns all available LogAdapters in depth first order.

Returns:

a read-only Iterator.

Since:

1.7