mcMMO/src/main/java/com/gmail/nossr50/util/Users.java

package com.gmail.nossr50.util;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;

import org.bukkit.OfflinePlayer;
import org.bukkit.entity.Player;

import com.gmail.nossr50.mcMMO;
import com.gmail.nossr50.datatypes.PlayerProfile;

public class Users {
    private final static mcMMO plugin = mcMMO.p;
    public static HashMap<String, PlayerProfile> players = new HashMap<String, PlayerProfile>();


    /**
     * Load users.
     */
    public static void loadUsers() {


        new File(plugin.flatFileDirectory).mkdir();
        new File(plugin.leaderboardDirectory).mkdir();
        File theDir = new File(plugin.usersFile);

        if (!theDir.exists()) {
            try {
                FileWriter writer = new FileWriter(theDir);
                writer.close();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * Add a new user.
     *
     * @param player The player to create a user record for
     */
    public static void addUser(Player player) {
        if (!players.containsKey(player.getName().toLowerCase())) {
            players.put(player.getName().toLowerCase(), new PlayerProfile(player.getName(), true));
        }
    }

    /**
     * Clear all users.
     */
    public static void clearUsers() {
        players.clear();
    }

    /**
     * Get all PlayerProfiles.
     *
     * @return a HashMap containing the PlayerProfile of everyone in the database
     */
    public static HashMap<String, PlayerProfile> getProfiles() {
        return players;
    }

    /**
     * Remove a user from the database.
     *
     * @param player The player to remove
     */
    public static void removeUser(Player player) {

        //Only remove PlayerProfile if user is offline and we have it in memory
        if (!player.isOnline() && players.containsKey(player.getName().toLowerCase())) {
            players.get(player.getName().toLowerCase()).save();
            players.remove(player.getName().toLowerCase());
        }
    }

    /**
     * Remove a user from the DB by name.
     *
     * @param playerName The name of the player to remove
     */
    public static void removeUserByName(String playerName) {
        players.remove(playerName.toLowerCase());
    }

    /**
     * Get the profile of a player.
     *
     * @param player The player whose profile to retrieve
     * @return the player's profile
     */
    public static PlayerProfile getProfile(OfflinePlayer player) {
        return getProfileByName(player.getName());
    }

    /**
     * Get the profile of a player by name.
     *
     * @param player The name of the player whose profile to retrieve
     * @return the player's profile
     */
    public static PlayerProfile getProfileByName(String playerName) {
        if (plugin.getServer().getOfflinePlayer(playerName).isOnline() || players.containsKey(playerName.toLowerCase())) {
            if (players.containsKey(playerName.toLowerCase())) {
                return players.get(playerName.toLowerCase());
            }
            else {
                players.put(playerName.toLowerCase(), new PlayerProfile(playerName, true));
                return players.get(playerName.toLowerCase());
            }
        }
        else {
            return new PlayerProfile(playerName, false);
        }
    }
}