/*******************************************************************************
* Copyright (c) 2001, 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.validation.core.logging;
/**
* The logger factory allows for simple use of whatever logging mechanism is in
* place. The tool can specify a custom logging class and can request the
* logger from this class.
*
* @author Lawrence Mandel, IBM
*
* @deprecated - not used in WTP or by any adopters as of 9/12/2007
*/
public class LoggerFactory
{
private static ILogger logger = null;
private static ClassLoader classloader = null;
private static String loggerClass = null;
private static final String commandlinelogger = "org.eclipse.wst.xml.validation.internal.core.logging.CommandLineLogger"; //$NON-NLS-1$
private static final String eclipselogger = "org.eclipse.wst.xml.validation.internal.core.logging.EclipseLogger"; //$NON-NLS-1$
private static String defaultlogger = commandlinelogger;
/**
* Get the one and only instance of the logger.
*
* @return The one and only instance of the logger.
*/
public static ILogger getLoggerInstance()
{
if(logger == null)
{
if(loggerClass != null)
{
if(classloader != null)
{
try
{
Class lc = classloader.loadClass(loggerClass);
logger = (ILogger) lc.newInstance();
}
catch (Exception e)
{
}
}
if(logger == null)
{
try
{
Class lc = LoggerFactory.class.getClassLoader().loadClass(loggerClass);
logger = (ILogger) lc.newInstance();
}
catch (Exception e)
{
}
}
}
if(logger == null)
{
try
{
Class lc = LoggerFactory.class.getClassLoader().loadClass(defaultlogger);
logger = (ILogger) lc.newInstance();
}
catch (Exception e)
{
}
}
}
return logger;
}
/**
* Specify the logger implementation to be used.
*
* @param classname
* The name of the logger class.
* @param loggerclassloader
* The classloader to use to load the logger. If null, the default
* classloader will be used.
*/
public static void specifyLogger(String classname, ClassLoader loggerclassloader)
{
loggerClass = classname;
classloader = loggerclassloader;
}
/**
* Set the default logger to the eclipse logger.
*/
public static void useEclipseLogger()
{
defaultlogger = eclipselogger;
}
}