edu.isi.pegasus.common.logging

Class LogManagerFactory

java.lang.Object

edu.isi.pegasus.common.logging.LogManagerFactory

public class LogManagerFactory
extends java.lang.Object

A factory class to load the appropriate implementation of Logger API as specified by properties.

Version:

$Revision$

Author:

Karan Vahi

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_PACKAGE_NAME The default package where all the implementations reside.
private static LogManager	mSingletonInstance Holds a singleton instance that is populated via the loadSingletonInstance() method.

Constructor Summary

Constructors

Constructor and Description
LogManagerFactory()

Method Summary

Modifier and Type	Method and Description
static LogManager	loadInstance(PegasusProperties properties) Loads the appropriate LogManager class as specified by properties.
static LogManager	loadInstance(java.lang.String implementor, java.lang.String formatImplementor, java.util.Properties properties) Loads the Log Formatter specified.
static LogManager	loadSingletonInstance() Loads the appropriate LogManager class as specified by properties.
static LogManager	loadSingletonInstance(PegasusProperties properties) Loads the appropriate LogManager class as specified by properties.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PACKAGE_NAME

public static final java.lang.String DEFAULT_PACKAGE_NAME

The default package where all the implementations reside.

See Also:

Constant Field Values

mSingletonInstance

private static LogManager mSingletonInstance

Holds a singleton instance that is populated via the loadSingletonInstance() method.

Constructor Detail

LogManagerFactory

public LogManagerFactory()

Method Detail

loadSingletonInstance

public static LogManager loadSingletonInstance()
                                        throws LogManagerFactoryException

Loads the appropriate LogManager class as specified by properties.

Returns:

handle to the Log Formatter.

Throws:

LogManagerFactoryException - that nests any error that might occur during the instantiation

See Also:

DEFAULT_PACKAGE_NAME

loadSingletonInstance

public static LogManager loadSingletonInstance(PegasusProperties properties)
                                        throws LogManagerFactoryException

Loads the appropriate LogManager class as specified by properties.

Parameters:

properties - is an instance of properties to use.

Returns:

handle to the Log Formatter.

Throws:

LogManagerFactoryException - that nests any error that might occur during the instantiation

See Also:

DEFAULT_PACKAGE_NAME

loadInstance

public static LogManager loadInstance(PegasusProperties properties)
                               throws LogManagerFactoryException

Loads the appropriate LogManager class as specified by properties.

Parameters:

properties - is an instance of properties to use.

Returns:

handle to the Log Manager.

Throws:

LogManagerFactoryException - that nests any error that might occur during the instantiation

See Also:

DEFAULT_PACKAGE_NAME

loadInstance

public static LogManager loadInstance(java.lang.String implementor,
                                      java.lang.String formatImplementor,
                                      java.util.Properties properties)
                               throws LogManagerFactoryException

Loads the Log Formatter specified.

Parameters:

implementor - the name of the class implementing LogManager

formatImplementor - the name of the class implementing the formatting technique

properties - properties

Returns:

handle to the LogManager

Throws:

LogManagerFactoryException - that nests any error that might occur during the instantiation

See Also:

DEFAULT_PACKAGE_NAME