Java tutorial
/* This file is part of Subsonic. Subsonic 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. Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. Copyright 2009 (C) Sindre Mehus */ package net.kiriboum.sub; import org.springframework.jdbc.core.JdbcTemplate; import net.sourceforge.subsonic.Logger; import net.sourceforge.subsonic.dao.schema.Schema; /** * Used for creating and evolving the database schema. */ /* * jcduss : VLC remote player * Adds the column to store the player's URL to database model */ public class CustomSchema extends Schema { private static final Logger LOG = Logger.getLogger(CustomSchema.class); @Override public void execute(JdbcTemplate template) { if (!columnExists(template, "url", "player")) { LOG.info("Database column 'player.url' not found. Creating it."); template.execute("alter table player add url varchar"); LOG.info("Database column 'player.url' was added successfully."); } } }