001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.convert;
016    
017    import com.liferay.portal.kernel.dao.jdbc.DataSourceFactoryUtil;
018    import com.liferay.portal.kernel.util.StringPool;
019    import com.liferay.portal.util.MaintenanceUtil;
020    import com.liferay.portal.util.ShutdownUtil;
021    import com.liferay.registry.collections.ServiceTrackerCollections;
022    
023    import java.util.List;
024    
025    import javax.sql.DataSource;
026    
027    /**
028     * @author Alexander Chow
029     */
030    public class DatabaseConvertProcess extends BaseConvertProcess {
031    
032            public void destroy() {
033                    _databaseConverters.clear();
034    
035                    _databaseConverters = null;
036            }
037    
038            @Override
039            public String getDescription() {
040                    return "migrate-data-from-one-database-to-another";
041            }
042    
043            @Override
044            public String getParameterDescription() {
045                    return "please-enter-jdbc-information-for-new-database";
046            }
047    
048            @Override
049            public String[] getParameterNames() {
050                    return new String[] {
051                            "jdbc-driver-class-name", "jdbc-url", "jdbc-user-name",
052                            "jdbc-password"
053                    };
054            }
055    
056            @Override
057            public boolean isEnabled() {
058                    return true;
059            }
060    
061            @Override
062            protected void doConvert() throws Exception {
063                    MaintenanceUtil.appendStatus("Starting database migration.");
064    
065                    for (DatabaseConverter databaseConverter : _databaseConverters) {
066                            databaseConverter.convert(getDataSource());
067                    }
068    
069                    MaintenanceUtil.appendStatus(
070                            "Please change your JDBC settings before restarting server");
071    
072                    ShutdownUtil.shutdown(0);
073            }
074    
075            protected DataSource getDataSource() throws Exception {
076                    String[] values = getParameterValues();
077    
078                    String driverClassName = values[0];
079                    String url = values[1];
080                    String userName = values[2];
081                    String password = values[3];
082                    String jndiName = StringPool.BLANK;
083    
084                    return DataSourceFactoryUtil.initDataSource(
085                            driverClassName, url, userName, password, jndiName);
086            }
087    
088            private List<DatabaseConverter> _databaseConverters =
089                    ServiceTrackerCollections.openList(DatabaseConverter.class);
090    
091    }