safemobs debugging

package me.h4344.SafeMobs;

import org.bukkit.ChatColor;
import org.bukkit.plugin.java.JavaPlugin;
import java.util.logging.Logger;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.event.Event;
import org.bukkit.event.entity.EntityListener;
import org.bukkit.event.entity.EntityTargetEvent;

public class SafeMobs extends JavaPlugin {

    public static boolean safe = true;

	@Override
    public void onEnable() {
    	 getServer().getPluginManager().registerEvent(Event.Type.ENTITY_TARGET, new MyEntityListener(), Event.Priority.Normal, this);
    	 Logger.getLogger("Minecraft").info("----------------");
    	 Logger.getLogger("Minecraft").info("-   SafeMobs   -");
    	 Logger.getLogger("Minecraft").info("-  Version 0.2 -");
    	 Logger.getLogger("Minecraft").info("-    Started   -");
    	 Logger.getLogger("Minecraft").info("----------------");
    	 Logger.getLogger("Minecraft").info("-    Made By   -");
    	 Logger.getLogger("Minecraft").info("-     h4344    -");
    	 Logger.getLogger("Minecraft").info("----------------");
}

    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
    	if (cmd.getName().equalsIgnoreCase("safe")) {
    		SafeMobs.safe = true;
        	getServer().broadcastMessage(ChatColor.GREEN + "Mobs are now safe.");
            return true;
            }
        else if (cmd.getName().equalsIgnoreCase("unsafe")) {
        	SafeMobs.safe = false;
        	getServer().broadcastMessage(ChatColor.GREEN + "Mobs are now unsafe.");
        return true;
        }
		return false;
        }

    @Override
    public void onDisable() {
    	 Logger.getLogger("Minecraft").info("----------------");
   	 Logger.getLogger("Minecraft").info("-   SafeMobs   -");
   	 Logger.getLogger("Minecraft").info("-  Version 0.2 -");
   	 Logger.getLogger("Minecraft").info("-    Stopped   -");
   	 Logger.getLogger("Minecraft").info("----------------");
   	 Logger.getLogger("Minecraft").info("-    Made By   -");
   	 Logger.getLogger("Minecraft").info("-     h4344    -");
   	 Logger.getLogger("Minecraft").info("----------------");
}

public class MyEntityListener extends EntityListener {
	@Override
	public void onEntityTarget(EntityTargetEvent event) {
		if (SafeMobs.safe == true) {
			event.setCancelled(true);
			}
		else if (SafeMobs.safe == false) {
			event.setCancelled(false);
			}
		}
	}
}