1 files changed, 207 insertions, 0 deletions
diff --git a/Essentials/src/com/earth2me/essentials/economy/Economy.java b/Essentials/src/com/earth2me/essentials/economy/Economy.java
new file mode 100644
index 000000000..12bc9414c
--- /dev/null
+++ b/Essentials/src/com/earth2me/essentials/economy/Economy.java
@@ -0,0 +1,207 @@
+package com.earth2me.essentials.economy;
+
+import com.earth2me.essentials.utils.Util;
+import com.earth2me.essentials.api.*;
+import com.earth2me.essentials.permissions.Permissions;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+
+
+public class Economy implements IEconomy
+{
+	private final IEssentials ess;
+	private final MoneyHolder npcs;
+
+	public Economy(IEssentials ess)
+	{
+		this.ess = ess;
+		this.npcs = new MoneyHolder(ess);
+	}
+
+	private double getNPCBalance(String name) throws UserDoesNotExistException
+	{
+		npcs.acquireReadLock();
+		try
+		{
+			Map<String, Double> balances = npcs.getData().getBalances();
+			if (balances == null)
+			{
+				throw new UserDoesNotExistException(name);
+			}
+			Double balance = npcs.getData().getBalances().get(name.toLowerCase(Locale.ENGLISH));
+			if (balance == null)
+			{
+				throw new UserDoesNotExistException(name);
+			}
+			return balance;
+		}
+		finally
+		{
+			npcs.unlock();
+		}
+	}
+
+	private void setNPCBalance(String name, double balance, boolean checkExistance) throws UserDoesNotExistException
+	{
+		npcs.acquireWriteLock();
+		try
+		{
+			Map<String, Double> balances = npcs.getData().getBalances();
+			if (balances == null)
+			{
+				balances = new HashMap<String, Double>();
+				npcs.getData().setBalances(balances);
+			}
+			if (checkExistance && !balances.containsKey(name.toLowerCase(Locale.ENGLISH)))
+			{
+				throw new UserDoesNotExistException(name);
+			}
+			balances.put(name.toLowerCase(Locale.ENGLISH), balance);
+		}
+		finally
+		{
+			npcs.unlock();
+		}
+	}
+
+	private double getStartingBalance()
+	{
+		double startingBalance = 0;
+		ISettings settings = ess.getSettings();
+		settings.acquireReadLock();
+		try
+		{
+			startingBalance = settings.getData().getEconomy().getStartingBalance();
+		}
+		finally
+		{
+			settings.unlock();
+		}
+		return startingBalance;
+	}
+
+	@Override
+	public void onReload()
+	{
+		this.npcs.onReload(false);
+	}
+
+	@Override
+	public double getMoney(String name) throws UserDoesNotExistException
+	{
+		IUser user = ess.getUser(name);
+		if (user == null)
+		{
+			return getNPCBalance(name);
+		}
+		return user.getMoney();
+	}
+
+	@Override
+	public void setMoney(String name, double balance) throws NoLoanPermittedException, UserDoesNotExistException
+	{
+		IUser user = ess.getUser(name);
+		if (user == null)
+		{
+			setNPCBalance(name, balance, true);
+			return;
+		}
+		if (balance < 0.0 && !Permissions.ECO_LOAN.isAuthorized(user))
+		{
+			throw new NoLoanPermittedException();
+		}
+		user.setMoney(balance);
+	}
+
+	@Override
+	public void resetBalance(String name) throws NoLoanPermittedException, UserDoesNotExistException
+	{
+		setMoney(name, getStartingBalance());
+	}
+
+	@Override
+	public String format(double amount)
+	{
+		return Util.displayCurrency(amount, ess);
+	}
+
+	@Override
+	public boolean playerExists(String name)
+	{
+		try
+		{
+			getMoney(name);
+			return true;
+		}
+		catch (UserDoesNotExistException ex)
+		{
+			return false;
+		}
+	}
+
+	@Override
+	public boolean isNPC(String name) throws UserDoesNotExistException
+	{
+		boolean result = ess.getUser(name) == null;
+		if (result)
+		{
+			getNPCBalance(name);
+		}
+		return result;
+	}
+
+	@Override
+	public boolean createNPC(String name)
+	{
+		try
+		{
+			if (isNPC(name))
+			{
+
+				setNPCBalance(name, getStartingBalance(), false);
+				return true;
+			}
+		}
+		catch (UserDoesNotExistException ex)
+		{
+			try
+			{
+				setNPCBalance(name, getStartingBalance(), false);
+				return true;
+			}
+			catch (UserDoesNotExistException ex1)
+			{
+				//This should never happen!
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public void removeNPC(String name) throws UserDoesNotExistException
+	{
+		npcs.acquireWriteLock();
+		try
+		{
+			Map<String, Double> balances = npcs.getData().getBalances();
+			if (balances == null)
+			{
+				balances = new HashMap<String, Double>();
+				npcs.getData().setBalances(balances);
+			}
+			if (balances.containsKey(name.toLowerCase(Locale.ENGLISH)))
+			{
+				balances.remove(name.toLowerCase(Locale.ENGLISH));
+			}
+			else
+			{
+				throw new UserDoesNotExistException(name);
+			}
+		}
+		finally
+		{
+			npcs.unlock();
+		}
+	}
+}