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package com.earth2me.essentials.api;
import com.earth2me.essentials.EssentialsConf;
import com.earth2me.essentials.IEssentials;
import com.earth2me.essentials.User;
import com.earth2me.essentials.Util;
import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bukkit.entity.Player;
/**
* Instead of using this api directly, we recommend to use the register plugin:
* http://bit.ly/RegisterMethod
*/
public final class Economy
{
private Economy()
{
}
private static final Logger logger = Logger.getLogger("Minecraft");
private static IEssentials ess;
private static final String noCallBeforeLoad = "Essentials API is called before Essentials is loaded.";
/**
* @param aEss the ess to set
*/
public static void setEss(IEssentials aEss)
{
ess = aEss;
}
private static void createNPCFile(String name)
{
File folder = new File(ess.getDataFolder(), "userdata");
if (!folder.exists())
{
folder.mkdirs();
}
EssentialsConf npcConfig = new EssentialsConf(new File(folder, Util.sanitizeFileName(name) + ".yml"));
npcConfig.load();
npcConfig.setProperty("npc", true);
npcConfig.setProperty("money", ess.getSettings().getStartingBalance());
npcConfig.save();
}
private static void deleteNPC(String name)
{
File folder = new File(ess.getDataFolder(), "userdata");
if (!folder.exists())
{
folder.mkdirs();
}
File config = new File(folder, Util.sanitizeFileName(name) + ".yml");
EssentialsConf npcConfig = new EssentialsConf(config);
npcConfig.load();
if (npcConfig.hasProperty("npc") && npcConfig.getBoolean("npc", false))
{
if (!config.delete())
{
logger.log(Level.WARNING, Util.format("deleteFileError", config));
}
ess.getUserMap().removeUser(name);
}
}
private static User getUserByName(String name)
{
if (ess == null)
{
throw new RuntimeException(noCallBeforeLoad);
}
User user;
Player player = ess.getServer().getPlayer(name);
if (player != null)
{
user = ess.getUser(player);
}
else
{
user = ess.getOfflineUser(name);
}
return user;
}
/**
* Returns the balance of a user
* @param name Name of the user
* @return balance
* @throws UserDoesNotExistException
*/
public static double getMoney(String name) throws UserDoesNotExistException
{
User user = getUserByName(name);
if (user == null)
{
throw new UserDoesNotExistException(name);
}
return user.getMoney();
}
/**
* Sets the balance of a user
* @param name Name of the user
* @param balance The balance you want to set
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void setMoney(String name, double balance) throws UserDoesNotExistException, NoLoanPermittedException
{
User user = getUserByName(name);
if (user == null)
{
throw new UserDoesNotExistException(name);
}
if (balance < 0.0 && !user.isAuthorized("essentials.eco.loan"))
{
throw new NoLoanPermittedException();
}
user.setMoney(balance);
}
/**
* Adds money to the balance of a user
* @param name Name of the user
* @param amount The money you want to add
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void add(String name, double amount) throws UserDoesNotExistException, NoLoanPermittedException
{
double result = getMoney(name) + amount;
setMoney(name, result);
}
/**
* Substracts money from the balance of a user
* @param name Name of the user
* @param amount The money you want to substract
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void subtract(String name, double amount) throws UserDoesNotExistException, NoLoanPermittedException
{
double result = getMoney(name) - amount;
setMoney(name, result);
}
/**
* Divides the balance of a user by a value
* @param name Name of the user
* @param value The balance is divided by this value
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void divide(String name, double value) throws UserDoesNotExistException, NoLoanPermittedException
{
double result = getMoney(name) / value;
setMoney(name, result);
}
/**
* Multiplies the balance of a user by a value
* @param name Name of the user
* @param value The balance is multiplied by this value
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void multiply(String name, double value) throws UserDoesNotExistException, NoLoanPermittedException
{
double result = getMoney(name) * value;
setMoney(name, result);
}
/**
* Resets the balance of a user to the starting balance
* @param name Name of the user
* @throws UserDoesNotExistException If a user by that name does not exists
* @throws NoLoanPermittedException If the user is not allowed to have a negative balance
*/
public static void resetBalance(String name) throws UserDoesNotExistException, NoLoanPermittedException
{
if (ess == null)
{
throw new RuntimeException(noCallBeforeLoad);
}
setMoney(name, ess.getSettings().getStartingBalance());
}
/**
* @param name Name of the user
* @param amount The amount of money the user should have
* @return true, if the user has more or an equal amount of money
* @throws UserDoesNotExistException If a user by that name does not exists
*/
public static boolean hasEnough(String name, double amount) throws UserDoesNotExistException
{
return amount <= getMoney(name);
}
/**
* @param name Name of the user
* @param amount The amount of money the user should have
* @return true, if the user has more money
* @throws UserDoesNotExistException If a user by that name does not exists
*/
public static boolean hasMore(String name, double amount) throws UserDoesNotExistException
{
return amount < getMoney(name);
}
/**
* @param name Name of the user
* @param amount The amount of money the user should not have
* @return true, if the user has less money
* @throws UserDoesNotExistException If a user by that name does not exists
*/
public static boolean hasLess(String name, double amount) throws UserDoesNotExistException
{
return amount > getMoney(name);
}
/**
* Test if the user has a negative balance
* @param name Name of the user
* @return true, if the user has a negative balance
* @throws UserDoesNotExistException If a user by that name does not exists
*/
public static boolean isNegative(String name) throws UserDoesNotExistException
{
return getMoney(name) < 0.0;
}
/**
* Formats the amount of money like all other Essentials functions.
* Example: $100000 or $12345.67
* @param amount The amount of money
* @return Formatted money
*/
public static String format(double amount)
{
if (ess == null)
{
throw new RuntimeException(noCallBeforeLoad);
}
return Util.formatCurrency(amount, ess);
}
/**
* Test if a player exists to avoid the UserDoesNotExistException
* @param name Name of the user
* @return true, if the user exists
*/
public static boolean playerExists(String name)
{
return getUserByName(name) != null;
}
/**
* Test if a player is a npc
* @param name Name of the player
* @return true, if it's a npc
* @throws UserDoesNotExistException
*/
public static boolean isNPC(String name) throws UserDoesNotExistException
{
User user = getUserByName(name);
if (user == null)
{
throw new UserDoesNotExistException(name);
}
return user.isNPC();
}
/**
* Creates dummy files for a npc, if there is no player yet with that name.
* @param name Name of the player
* @return true, if a new npc was created
*/
public static boolean createNPC(String name)
{
User user = getUserByName(name);
if (user == null)
{
createNPCFile(name);
return true;
}
return false;
}
/**
* Deletes a user, if it is marked as npc.
* @param name Name of the player
* @throws UserDoesNotExistException
*/
public static void removeNPC(String name) throws UserDoesNotExistException
{
User user = getUserByName(name);
if (user == null)
{
throw new UserDoesNotExistException(name);
}
deleteNPC(name);
}
}
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