// Copyright (c) 2000 Just Objects B.V. <just@justobjects.nl>// Distributable under LGPL license. See terms of license at gnu.org.package nl.justobjects.pushlet.util;import nl.justobjects.pushlet.core.Config;import nl.justobjects.pushlet.core.ConfigDefs;/** * Logging wrapper. * <p/> * Provides a hook to direct logging to your own logging library.  Override the DefaultLogger class by setting * "logging.class" in pushlet.properties to your own logger * to integrate your own logging library. * * @author Just van den Broecke * @version $Id: Log.java,v 1.4 2007/11/23 21:29:43 justb Exp $ */public class Log implements ConfigDefs {	private static DefaultLogger logger = new DefaultLogger();	/**	 * General purpose initialization.	 */	static public void init() {		try {			logger = (DefaultLogger) Config.getClass(LOGGER_CLASS, "nl.justobjects.pushlet.util.DefaultLogger").newInstance();		} catch (Throwable t) {			// Hmmm cannot log this since we don't have a log...			System.out.println("Cannot instantiate Logger from config ex=" + t);			return;		}		logger.init();		// Set log level		logger.setLevel(Config.getIntProperty(Config.LOG_LEVEL));		logger.info("Logging intialized logger class=" + logger.getClass());	}	/**	 * Log message for trace level.	 *	 * @param aMessage the message to be logged	 */	static public void trace(String aMessage) {		logger.debug(aMessage);	}	/**	 * Log message for debug level.	 *	 * @param aMessage the message to be logged	 */	static public void debug(String aMessage) {		logger.debug(aMessage);	}	/**	 * Log message for info level.	 *	 * @param aMessage the message to be logged	 */	static public void info(String aMessage) {		logger.info(aMessage);	}	/**	 * Log message for warning level.	 *	 * @param aMessage the message to be logged	 */	static public void warn(String aMessage) {		logger.warn(aMessage);	}	/**	 * Log message for warning level with exception.	 *	 * @param aMessage   the message to be logged	 * @param aThrowable the exception	 */	static public void warn(String aMessage, Throwable aThrowable) {		logger.warn(aMessage, aThrowable);	}	/**	 * Log message for error level.	 *	 * @param aMessage the message to be logged	 */	static public void error(String aMessage) {		logger.error(aMessage);	}	/**	 * Log message (error level with exception).	 *	 * @param aMessage   the message to be logged	 * @param aThrowable the exception	 */	static public void error(String aMessage, Throwable aThrowable) {		logger.error(aMessage, aThrowable);	}	/**	 * Log message for fatal level.	 *	 * @param aMessage the message to be logged	 */	static public void fatal(String aMessage) {		logger.fatal(aMessage);	}	/**	 * Log message (fatal level with exception).	 *	 * @param aMessage   the message to be logged	 * @param aThrowable the exception	 */	static public void fatal(String aMessage, Throwable aThrowable) {		logger.fatal(aMessage, aThrowable);	}	/**	 * Set log level	 *	 * @param aLevel the message to be logged	 */	static public void setLevel(int aLevel) {		logger.setLevel(aLevel);	}		/**	 * wispy log	 */	static public void winfo(String string){		System.out.println("[---wispy---] : " + string);		}}/** $Log: Log.java,v $* Revision 1.4  2007/11/23 21:29:43  justb* add hooks for custom logging (you can override DefaultLogger in pushlet.properties)** Revision 1.3  2007/11/23 21:10:17  justb* add hooks for custom logging (you can override DefaultLogger in pushlet.properties)** Revision 1.2  2005/02/21 11:15:59  justb* support log levels** Revision 1.1  2005/02/18 10:07:23  justb* many renamings of classes (make names compact)** Revision 1.7  2004/09/03 22:35:37  justb* Almost complete rewrite, just checking in now** Revision 1.6  2004/08/12 13:16:08  justb* make debug flag false** Revision 1.5  2004/03/10 14:01:55  justb* formatting and *Subscriber refactoring** Revision 1.4  2003/08/15 09:54:46  justb* fix javadoc warnings** Revision 1.3  2003/08/15 08:37:40  justb* fix/add Copyright+LGPL file headers and footers** Revision 1.2  2003/08/12 09:42:47  justb* enhancements** Revision 1.1  2003/08/12 08:46:00  justb* cvs comment tags added***/