import org.bukkit.Bukkit;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.ProjectileHitEvent;
import org.bukkit.plugin.java.JavaPlugin;

public final class SamplePlugin extends JavaPlugin implements Listener {
    @Override
    public void onEnable() {
        this.getServer().getPluginManager().registerEvents(this, this);
    }
    @EventHandler(ignoreCancelled = true)
    private void onSkullHit(final ProjectileHitEvent event) {
        if (event.getHitEntity() != null) {
            Bukkit.broadcastMessage(event.getEntityType().toString() + " hit an entity at " + event.getEntity().getWorld().getFullTime());
        }
        if (event.getHitBlock() != null) {
            Bukkit.broadcastMessage(event.getEntityType().toString() + " hit a block at " + event.getEntity().getWorld().getFullTime());
        }
    }
}