requested by a Bukkit forums user :)

RSW

package me.mason.randomsound;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.Sound;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.plugin.java.JavaPlugin;

public class RSW extends JavaPlugin implements Listener {

	private List<Sound> sounds = new ArrayList<Sound>();
	
	public void onEnable() {
		
		for(Sound s : Sound.values())
			sounds.add(s);
		
		this.getServer().getPluginManager().registerEvents(this, this);
		
		String author = this.getDescription().getAuthors().get(0);
		
		Bukkit.getConsoleSender().sendMessage("[RSW] RandomSoundWeapon created by "+author+" has been enabled!");
	}
	
	public Sound getRandomSound() {
		return sounds.get(new Random().nextInt(sounds.size() - 1));
	}
	
	@EventHandler
	public void onHit(EntityDamageByEntityEvent e) {
		if(e.getDamager() == null || !(e.getDamager() instanceof Player) || !(e.getEntity() instanceof Player)) return;
		
		Player damager = (Player) e.getDamager();
		Material cat = Material.getMaterial(2257); //TODO get material by string rather integers
		if(damager.getItemInHand().getType() == cat)
			e.getEntity().getLocation().getWorld().playSound(e.getEntity().getLocation(), getRandomSound(), 1, 1);
	}
	
}