gistfile1.txt

import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityShootBowEvent;
import org.bukkit.event.entity.ProjectileLaunchEvent;
import org.bukkit.event.player.PlayerInteractEvent;

public class Ability implements Listener {
	
	/*
	 *  .... snip
	 */
	
	@EventHandler
	public void onAbility (PlayerAbilityEvent e) {
		if(e.isInteractEvent()) {
			PlayerInteractEvent event = e.getPlayerInteractEvent();
			//Do stuff with event
		}else if(e.isEntityShootBowEvent()) {
			EntityShootBowEvent event = e.getEntityShootBowEvent();
			//Do stuff with event
		}else if(e.isProjectileLaunchEvent()) {
			ProjectileLaunchEvent event = e.getProjectileLaunchEvent();
			//Do stuff with event
		}
	}
}