plugin request by user on Spigot

BalanceTag

package com.codermason.bt;

import net.milkbowl.vault.economy.Economy;

import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.java.JavaPlugin;

public class BalanceTag extends JavaPlugin {

	private Economy econ;
	
	public void onEnable() {
		
		if(!setupEconomy()) {
			this.getLogger().warning("Could not hook into Vault! Disabling...");
			this.getPluginLoader().disablePlugin(this);
		}else{
			this.getLogger().info("Hooked into Vault! ");
		}
		
		this.getServer().getPluginManager().registerEvents(new Listener() {
			
			@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
			public void onChat(AsyncPlayerChatEvent e) {
				if(e.isCancelled()) return;
				if(e.getFormat().contains("{BALANCE}"))
					e.setFormat(e.getFormat().replace("{BALANCE}", getBalance(e.getPlayer())+""));
			}
			
		}, this);
	}
	
	private boolean setupEconomy() {
	        if(getServer().getPluginManager().getPlugin("Vault") == null)
                    return false;
        
                RegisteredServiceProvider<Economy> rsp = getServer().getServicesManager().getRegistration(Economy.class);
                if(rsp == null) 
                    return false;
                econ = rsp.getProvider();
                return econ != null;
	}
	
	private int getBalance(Player p) {
		return (int) (econ.getBalance(p.getName()));
	}
	
}