Config.java

/*
 * PwnChat -- A Bukkit/Spigot plugin for multi-channel cross-server (via bungeecord) chat.
 * Copyright (c) 2013 Pwn9.com. Sage905 <ptoal@takeflight.ca>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 */

package com.pwn9.pwnchat.config;

import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.configuration.file.YamlConfiguration;

import java.io.*;

/*
 * SuperEasyConfig - Config
 * 
 * Based off of codename_Bs EasyConfig v2.1
 * which was inspired by md_5
 * 
 * An even awesomer super-duper-lazy Config lib!
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * @author MrFigg
 * @version 1.2
 */

public abstract class Config extends ConfigObject {
    protected transient File CONFIG_FILE = null;
    protected transient String CONFIG_HEADER = null;

    public Config() {
        CONFIG_HEADER = null;
    }

    public Config load(File file) throws InvalidConfigurationException {
        if(file==null) throw new InvalidConfigurationException(new NullPointerException());
        if(!file.exists()) throw new InvalidConfigurationException(new IOException("File doesn't exist"));
        CONFIG_FILE = file;
        return reload();
    }

    public Config reload() throws InvalidConfigurationException {
        if(CONFIG_FILE==null) throw new InvalidConfigurationException(new NullPointerException());
        if(!CONFIG_FILE.exists()) throw new InvalidConfigurationException(new IOException("File doesn't exist"));
        YamlConfiguration yamlConfig = YamlConfiguration.loadConfiguration(CONFIG_FILE);
        try {
            onLoad(yamlConfig);
            yamlConfig.save(CONFIG_FILE);
        } catch(Exception ex) {
            throw new InvalidConfigurationException(ex);
        }
        return this;
    }

    public Config save(File file) throws InvalidConfigurationException {
        if(file==null) throw new InvalidConfigurationException(new NullPointerException());
        CONFIG_FILE = file;
        return save();
    }

    public Config save() throws InvalidConfigurationException {
        if(CONFIG_FILE==null) throw new InvalidConfigurationException(new NullPointerException());
        if(!CONFIG_FILE.exists()) {
            try {
                if(CONFIG_FILE.getParentFile() != null) CONFIG_FILE.getParentFile().mkdirs();
                CONFIG_FILE.createNewFile();
                if(CONFIG_HEADER!=null) {
                    Writer newConfig = new BufferedWriter(new FileWriter(CONFIG_FILE));
                    for(String line : CONFIG_HEADER.split("\n")) {
                        newConfig.write("# "+line+"\n");
                    }
                    newConfig.close();
                }
            } catch(Exception ex) {
                throw new InvalidConfigurationException(ex);
            }
        }
        YamlConfiguration yamlConfig = YamlConfiguration.loadConfiguration(CONFIG_FILE);
        try {
            onSave(yamlConfig);
            yamlConfig.save(CONFIG_FILE);
        } catch(Exception ex) {
            throw new InvalidConfigurationException(ex);
        }
        return this;
    }

    public Config init(File file) throws InvalidConfigurationException {
        if(file==null) throw new InvalidConfigurationException(new NullPointerException());
        CONFIG_FILE = file;
        return init();
    }

    public Config init() throws InvalidConfigurationException {
        if(CONFIG_FILE==null) throw new InvalidConfigurationException(new NullPointerException());
        if(CONFIG_FILE.exists()) return reload();
        else return save();
    }
}