Command error (6-23-12)

package me.FTWin01Gurl.class;

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class ClassName implements CommandExecutor {

    private ClassDatabase db;
    private ClassMain main;

    public ClassName(ClassMain instancea, ClassDatabase instanceb) {
        this.main = instancea;
        this.db = instanceb;
    }

    public boolean onCommand(CommandSender sender, Command cmd, String cmdLabel, String[] args) {
        Player sendPlayer = (Player)sender;
        if(cmd.getName().equals(cmdLabel)) {
            if(args.length == 0) {
                // Do stuff
                return true;
            } else if(args.length == 1) {
                if(args[0].equalsIgnoreCase("off")) {
                    // Do stuff
                    return true;
                } else if(args[0].equalsIgnoreCase("check")) {
                    // Do stuff
                    return true;
                }
            } else if(args.length == 2) {
                if(args[0].equals("check")) {
                    // Do stuff
                    return true;
                } else if(args[0].equalsIgnoreCase("set")) {
                    // Do stuff
                    return true;
                }
            } else if(args.length == 3) {
                 else if(args[0].equalsIgnoreCase("set")) {
                    // Do stuff
                    return true;
                }
            } else if(args.length == 4) {
                if(args[0].equalsIgnoreCase("set")) {
                    // Do stuff
                    return true;
                    }
                }
            }
        return false;
    }
}