Mono.cs

namespace Common.Logging {
	
	public static class Extensions {
		
		public delegate string PrinterDelegate( string pattern, params object[] args );
		
		public static void Debug (this ILog logger, Func<PrinterDelegate,string> printer)
		{			
			if (logger.IsDebugEnabled) {
				logger.Debug (printer (PrintLog));
			}
		}
		
		public static void Debug (this ILog logger, Func<PrinterDelegate,string> printer, Exception exception)
		{			
			if (logger.IsDebugEnabled) {
				logger.Debug (printer (PrintLog), exception);
			}
		}		
		
		public static void Info (this ILog logger, Func<PrinterDelegate,string> printer)
		{			
			if (logger.IsInfoEnabled) {
				logger.Info( printer(PrintLog) );
			}
		}
		
		public static void Info (this ILog logger, Func<PrinterDelegate,string> printer, Exception exception)
		{			
			if (logger.IsInfoEnabled) {
				logger.Info (printer (PrintLog), exception);
			}
		}
		
		public static void Fatal (this ILog logger, Func<PrinterDelegate,string> printer)
		{			
			if (logger.IsFatalEnabled) {
				logger.Fatal (printer (PrintLog));
			}
		}		

		public static void Fatal (this ILog logger, Func<PrinterDelegate,string> printer, Exception e)
		{			
			if (logger.IsFatalEnabled) {
				object message = printer (PrintLog);
				logger.Fatal (message, e);
			}
		}		
		
		public static string PrintLog( string pattern, params object[] args ) {
			return String.Format( pattern,  args );
		}
		
	}
	
}