+Added SubCommand system

src/core/SubCommand.java

@@ -0,0 +1,64 @@
+package core;
+
+import dataStructures.*;
+import utils.GlobalLog;
+import utils.LogFilter;
+
+public abstract class SubCommand 
+{
+	private KittyRole roleLevel;
+	private KittyRating contentRating;
+	
+	
+	public SubCommand(KittyRole roleLevel, KittyRating contentRating)
+	{
+		this.roleLevel = roleLevel;
+		this.contentRating = contentRating;
+	}
+	
+	private void Reject(KittyUser user, String reason)
+	{
+		GlobalLog.Warn(LogFilter.Command, this.getClass().getSimpleName() + " from " + user.name + " rejected due to command's " + reason);
+	}
+	
+	private boolean CanCall(KittyGuild guild, KittyChannel channel, KittyUser user)
+	{	
+		if(guild.contentRating.getValue() < contentRating.getValue())
+		{
+			Reject(user, "content rating");
+			return false;
+		}
+		
+		//TODO: ADD CHANNEL CHECK HERE
+		
+		if(user.GetRole().getValue() >= roleLevel.getValue())
+		{
+			return true;
+		}
+		
+		Reject(user, "permissions");
+		return false;
+	}
+	
+	// Called by the Command manager - this will run the command 
+	// if the issuing user has the permission to do so!
+	protected final void Invoke(KittyGuild guild, KittyChannel channel, KittyUser user, String input)
+	{
+		if(!CanCall(guild, channel, user))
+			return;
+		
+		OnRun(guild, channel, user, input);
+	}
+	
+	public KittyRating Rating()
+	{
+		return contentRating;
+	}
+		
+	public KittyRole RequiredRole()
+	{
+		return roleLevel;
+	}
+	
+	public abstract SubCommandFormattable OnRun(KittyGuild guild, KittyChannel channel, KittyUser user, String input);
+}