/* * Logger.cs - Simple logging functionality for Level9.Net. * * Copyright (C) 2004 - 2011 Andreas Scherrer * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this software; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ using System; using System.IO; namespace Level9 { /// /// Simple logging functionality for Level9.Net /// public class Logger { // -- Constants ------------------------------------------------------ /// /// The format of logging timestamps. /// const string TS_FORMAT = "yyyy-MM-dd HH:mm:ss"; // -- Attributes ----------------------------------------------------- /// /// A stream writer for writing into a logfile. /// private static StreamWriter sw = null; // -- Methods -------------------------------------------------------- /// /// Appends a log message to the application logfile. /// /// /// the object type that raises the log message /// /// the log message /// an Exception, or null if none occurred public static void Log(Type type, string message, Exception e) { if (!Config.LoggingEnabled) { return; } try { if (sw == null) { sw = File.AppendText(Config.GetLogFilePath()); } lock(sw) { sw.WriteLine(DateTime.Now.ToString(TS_FORMAT) + " [" + type + "] " + message); if (e != null) { sw.WriteLine(e.Message); sw.WriteLine(e.StackTrace); } sw.Flush(); } } catch { // Do nothing } } /// /// Appends a log message to the application logfile. /// /// the object that raises the log message /// the log message /// an Exception, or null if none occurred public static void Log(Object obj, string message, Exception e) { if (obj != null) { Log(obj.GetType(), message, e); } } /// /// Appends a log message to the application logfile. /// /// /// the object type that raises the log message /// /// the log message public static void Log(Type type, string message) { Log(type, message, null); } /// /// Appends a log message to the application logfile. /// /// the object that raises the log message /// the log message public static void Log(Object obj, string message) { Log(obj, message, null); } } }