- code refactoring

- made more and more easily extensible:
   * commands automatically loaded from plugins dlls
   * declarative and automatic command parameter parsing
   * common code moved to base classes
- other fixes

svn path=/trunk/; revision=33344

irc/TechBot/TechBot.Library/Commands/BugCommand.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace TechBot.Library
+{
+	public abstract class BugCommand : Command
+	{
+        private string m_BugID = null;
+
+		public BugCommand()
+		{
+		}
+
+        [CommandParameter("id", "The bug ID")]
+        public string BugID
+        {
+            get { return m_BugID; }
+            set { m_BugID = value; }
+        }
+
+        public override void ExecuteCommand()
+        {
+            if (BugID == null)
+            {
+                Say("Please provide a valid bug number.");
+            }
+            else
+            {
+                try
+                {
+                    Say(BugUrl, Int32.Parse(BugID));
+                }
+                catch (Exception)
+                {
+                    Say("{0} is not a valid bug number.", BugID);
+                }
+            }
+        }
+
+        protected abstract string BugUrl { get; }
+	}
+}