73 rader
2.1 KiB
Java
73 rader
2.1 KiB
Java
/*
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* opsu! - an open-source osu! client
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* Copyright (C) 2014, 2015 Jeffrey Han
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*
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* opsu! is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* opsu! is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with opsu!. If not, see <http://www.gnu.org/licenses/>.
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*/
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package itdelatrisu.opsu.db;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.SQLException;
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import static yugecin.opsudance.core.errorhandling.ErrorHandler.*;
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/**
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* Database controller.
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*/
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public class DBController {
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// This class should not be instantiated.
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private DBController() {}
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/**
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* Initializes all databases.
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*/
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public static void init() {
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// load the sqlite-JDBC driver using the current class loader
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try {
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Class.forName("org.sqlite.JDBC");
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} catch (ClassNotFoundException e) {
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explode("Could not load sqlite-JDBC driver.", e, DEFAULT_OPTIONS);
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}
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// initialize the databases
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BeatmapDB.init();
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ScoreDB.init();
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}
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/**
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* Closes all database connections.
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*/
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public static void closeConnections() {
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BeatmapDB.closeConnection();
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ScoreDB.closeConnection();
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}
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/**
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* Establishes a connection to the database given by the path string.
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* @param path the database path
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* @return the Connection, or null if a connection could not be established
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*/
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public static Connection createConnection(String path) {
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try {
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return DriverManager.getConnection(String.format("jdbc:sqlite:%s", path));
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} catch (SQLException e) {
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// if the error message is "out of memory", it probably means no database file is found
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explode(String.format("Could not connect to database: '%s'.", path), e, DEFAULT_OPTIONS);
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return null;
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}
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}
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}
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