Database.java

/**
 * BetonQuest - advanced quests for Bukkit
 * Copyright (C) 2016  Jakub "Co0sh" Sapalski
 * 
 * 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.
 * 
 * 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.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package pl.betoncraft.betonquest.database;

import java.sql.Connection;
import java.sql.SQLException;

import org.bukkit.plugin.Plugin;

/**
 * Abstract Database class, serves as a base for any connection method (MySQL,
 * SQLite, etc.)
 * 
 * @author Jakub Sapalski
 */
public abstract class Database {

	protected Plugin plugin;
	protected String prefix;
	protected Connection con;

	protected Database(Plugin plugin) {
		this.plugin = plugin;
		this.prefix = plugin.getConfig().getString("mysql.prefix", "");
	}

	public Connection getConnection() {
		if (con == null) {
			con = openConnection();
		}
		return con;
	}

	protected abstract Connection openConnection();

	public void closeConnection() {
		try {
			con.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		con = null;
	}

	public void createTables(boolean isMySQLUsed) {
		String autoIncrement;
		if (isMySQLUsed) {
			autoIncrement = "AUTO_INCREMENT";
		} else {
			autoIncrement = "AUTOINCREMENT";
		}
		// create tables if they don't exist
		Connection connection = getConnection();
		try {
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "objectives (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, objective VARCHAR(512)"
							+ " NOT NULL, instructions VARCHAR(2048) NOT NULL);");
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "tags (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, tag TEXT NOT NULL);");
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "points (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, category VARCHAR(256) "
							+ "NOT NULL, count INT NOT NULL);");
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "journal (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, pointer "
							+ "VARCHAR(256) NOT NULL, date TIMESTAMP NOT NULL);");
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "backpack (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, instruction "
							+ "TEXT NOT NULL, amount INT NOT NULL);");
			connection.createStatement()
					.executeUpdate("CREATE TABLE IF NOT EXISTS " + prefix + "player (id INTEGER PRIMARY KEY "
							+ autoIncrement + ", playerID VARCHAR(256) NOT NULL, language VARCHAR(16) NOT NULL, "
							+ "conversation VARCHAR(512));");
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
}