101 lines
3.1 KiB
C#
101 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO.IsolatedStorage;
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using System.Linq;
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using System.Text;
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namespace MudEngine.Core
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{
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/// <summary>
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/// Public Engine Logging Class.
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/// </summary>
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public static class Logger
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{
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/// <summary>
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/// The Log Filename for the engine log.
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/// </summary>
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public static string LogFilename { get; set; }
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/// <summary>
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/// Gets or Sets if the Logger is enabled or disabled.
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/// </summary>
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public static Boolean Enabled { get; set; }
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/// <summary>
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/// Gets or Sets if the logger will output it's information to the Console.
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/// </summary>
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public static Boolean ConsoleOutPut { get; set; }
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/// <summary>
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/// Clears the queued log messages from cache
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/// </summary>
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public static void ClearLog()
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{
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//If the log file exists, delete it.
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if (String.IsNullOrEmpty(LogFilename))
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LogFilename = "Engine.Log";
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if (System.IO.File.Exists(LogFilename))
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System.IO.File.Delete(LogFilename);
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//Clear the cache.
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_Messages.Clear();
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}
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/// <summary>
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/// Writes a single line to the engine log file.
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/// </summary>
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/// <param name="message"></param>
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public static void WriteLine(String message)
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{
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//Only write to log if enabled.
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if (!Enabled)
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return;
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//Make sure we have a valid filename
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if (String.IsNullOrEmpty(LogFilename))
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LogFilename = "Engine.Log";
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//Ensure that the log messages cache is not null
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if (_Messages == null)
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_Messages = new List<string>();
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//Get the current time and format it
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String Time = DateTime.Now.ToString("h:mm:ss:ff tt");
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//Output to console if enabled.
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if (ConsoleOutPut)
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Console.WriteLine(Time + ": " + message);
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//Try to write the message to the log file.
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try
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{
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using (System.IO.StreamWriter file = new System.IO.StreamWriter(LogFilename, true))
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{
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//Write the message to file
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file.WriteLine(Time + ": " + message);
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//Add it to the messages cache.
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_Messages.Add(Time + ": " + message);
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}
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}
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catch
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{
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throw new Exception("Unable to write message (" + message + ") to log file (" + LogFilename + ").");
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}
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}
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/// <summary>
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/// Returns an array of messages that have been queued in the log cache.
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/// </summary>
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/// <returns></returns>
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public static String[] GetMessages()
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{
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if (_Messages == null)
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return new string[0];
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else
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return _Messages.ToArray();
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}
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private static List<String> _Messages;
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}
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}
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