irc/TechBot/TechBot.Library/Factory/CommandFactory.cs

   1 using System;
   2 using System.IO;
   3 using System.Collections;
   4 using System.Collections.Generic;
   5 using System.ComponentModel;
   6 using System.Reflection;
   7
   8 namespace TechBot.Library
   9 {
  10     public class CommandFactory
  11     {
  12         private static CommandBuilderCollection m_Commands = new CommandBuilderCollection();
  13
  14         private CommandFactory()
  15         {
  16         }
  17
  18         public static void LoadPlugins()
  19         {
  20             //get the file names of the dll files in the current directory.
  21             foreach (string fileName in Directory.GetFiles(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "*.dll"))
  22             {
  23                 LoadPluginsFromDLLFile(fileName);
  24             }
  25         }
  26
  27         private static void LoadPluginsFromDLLFile(string sFile)
  28         {
  29             Assembly assPlugin = Assembly.LoadFile(sFile);
  30
  31             Console.WriteLine("Loading plugins from : {0}", assPlugin.Location);
  32
  33             if (assPlugin != null)
  34             {
  35                 foreach (Type pluginType in assPlugin.GetTypes())
  36                 {
  37                     if (pluginType.IsSubclassOf(typeof(Command)))
  38                     {
  39                         if (pluginType.IsAbstract == false)
  40                         {
  41                             CommandBuilder cmdBuilder = new CommandBuilder(pluginType);
  42
  43                             Console.WriteLine("{0}:{1}",
  44                                 cmdBuilder.Name,
  45                                 cmdBuilder.Description);
  46
  47                             //Add it to the list.
  48                             Commands.Add(new CommandBuilder(pluginType));
  49                         }
  50                     }
  51                 }
  52             }
  53         }
  54
  55         public static CommandBuilderCollection Commands
  56         {
  57             get { return m_Commands; }
  58         }
  59     }
  60 }