Logger.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using System.IO;
   6
   7 namespace Kelsier {
   8     class Logger {
   9         protected TextWriter[] debugs, infos, errors;
  10
  11         /// <summary>
  12         /// Construct a Logger, writing to the specified TextWriter objects. Use an empty array to disable an output.
  13         /// </summary>
  14         /// <param name="debugs">Array of TextWriter's to use for debug output</param>
  15         /// <param name="infos">...for info output</param>
  16         /// <param name="errors">...for error output</param>
  17         public Logger(TextWriter[] debugs, TextWriter[] infos, TextWriter[] errors) {
  18             this.debugs = debugs;
  19             this.infos = infos;
  20             this.errors = errors;
  21
  22             this.debug("Starting logging (debug) here at {0}", DateTime.Now.ToString("F"));
  23             this.info("Starting logging (info) here at {0}", DateTime.Now.ToString("F"));
  24             this.error("Starting logging (error) here at {0}", DateTime.Now.ToString("F"));
  25         }
  26
  27         ~Logger() {
  28             this.debug("Stopping logging (debug) here at {0}", DateTime.Now.ToString("F"));
  29             this.info("Stopping logging (info) here at {0}", DateTime.Now.ToString("F"));
  30             this.error("Stopping logging (error) here at {0}", DateTime.Now.ToString("F"));
  31             foreach (TextWriter[] group in new TextWriter[][] { this.debugs, this.infos, this.errors }) {
  32                 foreach (TextWriter outw in group) {
  33                     outw.Close();
  34                 }
  35             }
  36         }
  37
  38         /// <summary>
  39         /// Debug logging.
  40         /// </summary>
  41         /// <param name="msg">Log message (with formatting placeholders, if desired)</param>
  42         /// <param name="args">Formatting replacements.</param>
  43         public void debug(string msg, params object[] args) {
  44             foreach (TextWriter outw in this.debugs) {
  45                 outw.WriteLine("(D@" + DateTime.Now.ToString("HH:mm:ss") + ")[MAIN] " + msg, args);
  46             }
  47         }
  48
  49         /// <summary>
  50         /// Info logging.
  51         /// </summary>
  52         /// <param name="msg">Log message (with formatting placeholders, if desired)</param>
  53         /// <param name="args">Formatting replacements.</param>
  54         public void info(string msg, params object[] args) {
  55             foreach (TextWriter outw in this.infos) {
  56                 outw.WriteLine("(I@" + DateTime.Now.ToString("HH:mm:ss") + ")[MAIN] " + msg, args);
  57             }
  58         }
  59
  60         /// <summary>
  61         /// Error logging.
  62         /// </summary>
  63         /// <param name="msg">Log message (with formatting placeholders, if desired)</param>
  64         /// <param name="args">Formatting replacements.</param>
  65         public void error(string msg, params object[] args) {
  66             foreach (TextWriter outw in this.errors) {
  67                 outw.WriteLine("(E@" + DateTime.Now.ToString("HH:mm:ss") + ")[MAIN] " + msg, args);
  68             }
  69         }
  70     }
  71 }