EasyBank

EasyBank.java

package fr.madlaine.easybank;

import java.text.NumberFormat;
import java.text.ParseException;
import java.util.logging.Logger;

import net.milkbowl.vault.economy.Economy;

import org.bukkit.ChatColor;
import org.bukkit.block.Sign;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.java.JavaPlugin;

public class EasyBank extends JavaPlugin implements Listener {
    private static String  PREFIX  = ChatColor.GRAY + "[" + ChatColor.WHITE + "Easy" + ChatColor.GOLD + "Bank"
                                           + ChatColor.GRAY + "] " + ChatColor.WHITE;
    private static Economy economy = null;
    private static Logger  logger  = Logger.getLogger("Minecraft");
    private static String  logTag  = "[EasyBank] ";

    @Override
    public boolean onCommand(final CommandSender sender, final Command command, final String label, final String[] args) {
        if (command.getName().equalsIgnoreCase("easybank")) {
            if (!(sender instanceof Player))
                sender.sendMessage(PREFIX + "Commands can only be used by in-game players!");
            else if (args.length == 2 && args[0].equalsIgnoreCase("deposit"))
                if (sender.hasPermission("easybank.deposit")) {
                    final NumberFormat formatter = NumberFormat.getInstance();
                    try {
                        final double deposit = formatter.parse(args[1]).doubleValue();
                        if (economy.has(sender.getName(), deposit)) {
                            economy.withdrawPlayer(sender.getName(), deposit);
                            final double amount = getConfig().getDouble("Accounts." + sender.getName(), 0D);
                            getConfig().set("Accounts." + sender.getName(), amount + deposit);
                            saveConfig();
                            sender.sendMessage(PREFIX + "You've successfully deposited " + ChatColor.GREEN
                                    + economy.format(deposit) + ChatColor.WHITE + " on your bank account.");
                            sender.sendMessage(PREFIX + "You've now " + ChatColor.GREEN + economy.format(amount)
                                    + ChatColor.WHITE + " on your bank account.");
                        } else
                            sender.sendMessage(PREFIX + ChatColor.RED + "You don't have enough money to do that!");
                    } catch (final ParseException e) {
                        sender.sendMessage(PREFIX + ChatColor.RED + "Please enter a valid amount!");
                    }
                } else
                    sender.sendMessage(PREFIX + ChatColor.RED + "You're not allowed to do that!");
            else if (args.length == 2 && args[0].equalsIgnoreCase("debit")) {
                if (sender.hasPermission("easybank.debit")) {
                    final NumberFormat formatter = NumberFormat.getInstance();
                    try {
                        final double debit = formatter.parse(args[1]).doubleValue();
                        final double amount = getConfig().getDouble("Accounts." + sender.getName(), 0D);
                        if (debit <= amount) {
                            economy.depositPlayer(sender.getName(), debit);
                            getConfig().set("Accounts." + sender.getName(), amount - debit);
                            saveConfig();
                            sender.sendMessage(PREFIX + "You've successfully debited " + ChatColor.GREEN
                                    + economy.format(debit) + ChatColor.WHITE + " from your bank account.");
                            sender.sendMessage(PREFIX + "You've now " + ChatColor.GREEN + economy.format(amount)
                                    + ChatColor.WHITE + " on your bank account.");
                        } else
                            sender.sendMessage(PREFIX + ChatColor.RED + "You don't have enough money to do that!");
                    } catch (final ParseException e) {
                        sender.sendMessage(PREFIX + ChatColor.RED + "Please enter a valid amount!");
                    }
                } else
                    sender.sendMessage(PREFIX + ChatColor.RED + "You're not allowed to do that!");
            } else {
                sender.sendMessage(PREFIX + ChatColor.GREEN + "EasyBank's commands:");
                sender.sendMessage(PREFIX + ChatColor.GREEN + "/bank deposit <amount>: " + ChatColor.WHITE
                        + "deposits money on your bank account");
                sender.sendMessage(PREFIX + ChatColor.GREEN + "/bank debit <amount>: " + ChatColor.WHITE
                        + "debits money from your bank account");
            }
            return true;
        }
        return false;
    }

    @Override
    public void onEnable() {
        super.onEnable();
        if (!setupEconomy()) {
            logger.severe(logTag + "Vault wasn't found, the plugin is going to disable itself!");
            getServer().getPluginManager().disablePlugin(this);
        } else
            getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler(ignoreCancelled = true)
    public void onPlayerInteract(final PlayerInteractEvent event) {
        if (event.getAction() == Action.RIGHT_CLICK_BLOCK && event.getClickedBlock().getState() instanceof Sign
                && ((Sign) event.getClickedBlock().getState()).getLine(0).equalsIgnoreCase(PREFIX))
            if (event.getPlayer().hasPermission("easybank.update")) {
                final Sign sign = (Sign) event.getClickedBlock().getState();
                sign.setLine(0, PREFIX);
                sign.setLine(1, event.getPlayer().getName());
                sign.setLine(2, "" + getConfig().getDouble("Accounts." + event.getPlayer().getName(), 0D));
                sign.setLine(3, "");
                sign.update();
            } else {
                event.getPlayer().sendMessage(PREFIX + ChatColor.RED + "You're not allowed to do that!");
                event.setCancelled(true);
            }
    }

    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
    public void onPlayerJoin(final PlayerJoinEvent event) {
        if (event.getPlayer().hasPermission("easybank.message")) {
            final double amount = getConfig().getDouble("Accounts." + event.getPlayer().getName(), 0D);
            event.getPlayer().sendMessage(
                    PREFIX + "You've " + ChatColor.GREEN + economy.format(amount) + ChatColor.WHITE
                            + " on your bank account.");
        }
    }

    @EventHandler(ignoreCancelled = true)
    public void onSignChange(final SignChangeEvent event) {
        if (event.getLine(0).equalsIgnoreCase("[EasyBank]"))
            if (event.getPlayer().hasPermission("easybank.create") && event.getPlayer().isOp()) {
                event.setLine(0, PREFIX);
                event.setLine(1, event.getPlayer().getName());
                event.setLine(2, "" + getConfig().getDouble("Accounts." + event.getPlayer().getName(), 0D));
                event.setLine(3, "");
            } else {
                event.getPlayer().sendMessage(PREFIX + ChatColor.RED + "You're not allowed to do that!");
                event.setCancelled(true);
            }
    }

    private boolean setupEconomy() {
        final RegisteredServiceProvider<Economy> economyProvider = getServer().getServicesManager().getRegistration(
                net.milkbowl.vault.economy.Economy.class);
        if (economyProvider != null)
            economy = economyProvider.getProvider();
        return economy != null;
    }
}

plugin.yml

name: EasyBank
author: Madlaine
version: 0.2
main: fr.madlaine.easybank.EasyBank
depend: [Vault]
commands:
    bank:
        description: Main command of EasyBank.
        usage: /<command> <deposit|debit> [amount]
permissions:
    easybank.message:
        description: Allows the player to see the welcome message.
    easybank.deposit:
        description: Allows the player to deposit money.
    easybank.debit:
        description: Allows the player to debit money.
    easybank.create:
        description: Allows the player to create an EasyBank sign.
    easybank.update:
        description: Allows the player to update an EasyBank sign.