| /******************************************************************************* |
| * 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; |
| } |
| } |