cli@42: /* cli@42: * SONEWS News Server cli@42: * see AUTHORS for the list of contributors cli@42: * cli@42: * This program is free software: you can redistribute it and/or modify cli@42: * it under the terms of the GNU General Public License as published by cli@42: * the Free Software Foundation, either version 3 of the License, or cli@42: * (at your option) any later version. cli@42: * cli@42: * This program is distributed in the hope that it will be useful, cli@42: * but WITHOUT ANY WARRANTY; without even the implied warranty of cli@42: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the cli@42: * GNU General Public License for more details. cli@42: * cli@42: * You should have received a copy of the GNU General Public License cli@42: * along with this program. If not, see . cli@42: */ cli@42: package org.sonews.storage.impl; cli@42: cli@45: import java.sql.SQLException; cli@45: import java.util.Map; cli@45: import java.util.concurrent.ConcurrentHashMap; cli@42: import org.sonews.storage.Storage; cli@42: import org.sonews.storage.StorageBackendException; cli@42: import org.sonews.storage.StorageProvider; cli@42: cli@42: /** cli@42: * cli@42: * @author Christian Lins cli@42: * @since sonews/1.1 cli@42: */ cli@42: public class HSQLDBProvider implements StorageProvider { cli@45: protected static final Map instances = cli@45: new ConcurrentHashMap(); cli@42: cli@45: @Override cli@42: public boolean isSupported(String uri) { cli@44: return uri.startsWith("jdbc:hsqldb"); cli@42: } cli@42: cli@45: @Override cli@42: public Storage storage(Thread thread) throws StorageBackendException { cli@45: try { cli@45: if (!instances.containsKey(Thread.currentThread())) { cli@45: HSQLDB db = new HSQLDB(); cli@45: db.arise(); cli@45: instances.put(Thread.currentThread(), db); cli@45: return db; cli@45: } else { cli@45: return instances.get(Thread.currentThread()); cli@45: } cli@45: } catch (SQLException ex) { cli@45: throw new StorageBackendException(ex); cli@45: } cli@42: } cli@42: cli@42: }