MySQLPost200.java

/*
 * Copyright 2011 Tyler Blair. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and contributors and should not be interpreted as representing official policies,
 * either expressed or implied, of anybody else.
 */

package com.griefcraft.migration;

import com.griefcraft.lwc.LWC;
import com.griefcraft.sql.Database.Type;
import com.griefcraft.sql.PhysDB;

import java.io.File;
import java.util.logging.Logger;

// Sort of just a convenience class, so as to not make the LWC class more cluttered than it is right now
public class MySQLPost200 implements MigrationUtility {

    private static Logger logger = Logger.getLogger("Patcher");

    /**
     * Check for required SQLite->MySQL conversion
     */
    public void run() {
        LWC lwc = LWC.getInstance();
        PhysDB physicalDatabase = lwc.getPhysicalDatabase();

        // this patcher only does something exciting if you have mysql enabled
        // :-)
        if (physicalDatabase.getType() != Type.MySQL) {
            return;
        }

        // this patcher only does something exciting if the old SQLite database
        // still exists :-)
        String database = lwc.getConfiguration().getString("database.path");

        if (database == null || database.trim().equals("")) {
            database = "plugins/LWC/lwc.db";
        }

        File file = new File(database);
        if (!file.exists()) {
            return;
        }

        logger.info("######################################################");
        logger.info("######################################################");
        logger.info("SQLite to MySQL conversion required");

        // rev up those sqlite databases because I sure am hungry for some data...
        DatabaseMigrator migrator = new DatabaseMigrator();
        lwc.reloadDatabase();

        // Load the sqlite database
        PhysDB sqlite = new PhysDB(Type.SQLite);

        try {
            sqlite.connect();
            sqlite.load();
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (migrator.migrate(sqlite, lwc.getPhysicalDatabase())) {
            logger.info("Successfully converted.");
            logger.info("Renaming \"" + database + "\" to \"" + database + ".old\"");
            if (!file.renameTo(new File(database + ".old"))) {
                logger.info("NOTICE: FAILED TO RENAME lwc.db!! Please rename this manually!");
            }

            logger.info("SQLite to MySQL conversion is now complete!\n");
            logger.info("Thank you!");
        } else {
            logger.info("#### SEVERE ERROR: Something bad happened when converting the database (Oops!)");
        }

        logger.info("######################################################");
        logger.info("######################################################");
    }

}