1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/org/sonews/storage/impl/JDBCDatabaseProvider.java Wed Aug 12 13:03:23 2009 +0200
1.3 @@ -0,0 +1,67 @@
1.4 +/*
1.5 + * SONEWS News Server
1.6 + * see AUTHORS for the list of contributors
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +
1.22 +package org.sonews.storage.impl;
1.23 +
1.24 +import org.sonews.storage.*;
1.25 +import java.sql.SQLException;
1.26 +import java.util.Map;
1.27 +import java.util.concurrent.ConcurrentHashMap;
1.28 +
1.29 +/**
1.30 + *
1.31 + * @author Christian Lins
1.32 + * @since sonews/1.0
1.33 + */
1.34 +public class JDBCDatabaseProvider implements StorageProvider
1.35 +{
1.36 +
1.37 + protected static final Map<Thread, JDBCDatabase> instances
1.38 + = new ConcurrentHashMap<Thread, JDBCDatabase>();
1.39 +
1.40 + @Override
1.41 + public boolean isSupported(String uri)
1.42 + {
1.43 + throw new UnsupportedOperationException("Not supported yet.");
1.44 + }
1.45 +
1.46 + @Override
1.47 + public Storage storage(Thread thread)
1.48 + throws StorageBackendException
1.49 + {
1.50 + try
1.51 + {
1.52 + if(!instances.containsKey(Thread.currentThread()))
1.53 + {
1.54 + JDBCDatabase db = new JDBCDatabase();
1.55 + db.arise();
1.56 + instances.put(Thread.currentThread(), db);
1.57 + return db;
1.58 + }
1.59 + else
1.60 + {
1.61 + return instances.get(Thread.currentThread());
1.62 + }
1.63 + }
1.64 + catch(SQLException ex)
1.65 + {
1.66 + throw new StorageBackendException(ex);
1.67 + }
1.68 + }
1.69 +
1.70 +}