mirror of
https://github.com/IntellectualSites/PlotSquared.git
synced 2024-09-27 04:12:40 +02:00
121 lines
3.7 KiB
Java
121 lines
3.7 KiB
Java
/*
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* PlotSquared, a land and world management plugin for Minecraft.
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* Copyright (C) IntellectualSites <https://intellectualsites.com>
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* Copyright (C) IntellectualSites team and contributors
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*
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* This program 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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* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.plotsquared.core.database;
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import com.plotsquared.core.PlotSquared;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.io.File;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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/**
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* Connects to and uses a SQLite database.
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*/
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public class SQLite extends Database {
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private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + SQLite.class.getSimpleName());
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private final String dbLocation;
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private Connection connection;
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/**
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* Creates a new SQLite instance
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*
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* @param dbLocation Location of the Database (Must end in .db)
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*/
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public SQLite(File dbLocation) {
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this.dbLocation = dbLocation.getAbsolutePath();
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}
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@Override
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public Connection openConnection() throws SQLException, ClassNotFoundException {
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if (checkConnection()) {
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return this.connection;
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}
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if (!PlotSquared.platform().getDirectory().exists()) {
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PlotSquared.platform().getDirectory().mkdirs();
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}
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File file = new File(this.dbLocation);
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if (!file.exists()) {
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try {
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file.createNewFile();
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} catch (IOException ignored) {
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LOGGER.error("Unable to create database");
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}
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}
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Class.forName("org.sqlite.JDBC");
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this.connection = DriverManager.getConnection("jdbc:sqlite:" + this.dbLocation);
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return this.connection;
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}
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@Override
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public boolean checkConnection() throws SQLException {
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return (this.connection != null) && !this.connection.isClosed();
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}
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@Override
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public Connection getConnection() {
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return this.connection;
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}
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@Override
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public boolean closeConnection() throws SQLException {
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if (this.connection == null) {
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return false;
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}
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this.connection.close();
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this.connection = null;
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return true;
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}
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@Override
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public ResultSet querySQL(String query) throws SQLException, ClassNotFoundException {
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if (checkConnection()) {
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openConnection();
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}
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try (Statement statement = this.connection.createStatement()) {
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return statement.executeQuery(query);
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}
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}
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@Override
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public int updateSQL(String query) throws SQLException, ClassNotFoundException {
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if (checkConnection()) {
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openConnection();
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}
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try (Statement statement = this.connection.createStatement()) {
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return statement.executeUpdate(query);
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}
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}
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@Override
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public Connection forceConnection() throws SQLException, ClassNotFoundException {
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Class.forName("org.sqlite.JDBC");
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this.connection = DriverManager.getConnection("jdbc:sqlite:" + this.dbLocation);
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return this.connection;
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}
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}
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