chris@3: /*
chris@3:  *   SONEWS News Server
chris@3:  *   see AUTHORS for the list of contributors
chris@3:  *
chris@3:  *   This program is free software: you can redistribute it and/or modify
chris@3:  *   it under the terms of the GNU General Public License as published by
chris@3:  *   the Free Software Foundation, either version 3 of the License, or
chris@3:  *   (at your option) any later version.
chris@3:  *
chris@3:  *   This program is distributed in the hope that it will be useful,
chris@3:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@3:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@3:  *   GNU General Public License for more details.
chris@3:  *
chris@3:  *   You should have received a copy of the GNU General Public License
chris@3:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@3:  */
chris@3: 
chris@3: package org.sonews.storage.impl;
chris@3: 
chris@3: import org.sonews.storage.*;
chris@3: import java.sql.SQLException;
chris@3: import java.util.Map;
chris@3: import java.util.concurrent.ConcurrentHashMap;
chris@3: 
chris@3: /**
chris@3:  *
chris@3:  * @author Christian Lins
chris@3:  * @since sonews/1.0
chris@3:  */
chris@3: public class JDBCDatabaseProvider implements StorageProvider
chris@3: {
chris@3: 
chris@3:   protected static final Map<Thread, JDBCDatabase> instances
chris@3:     = new ConcurrentHashMap<Thread, JDBCDatabase>();
chris@3: 
chris@3:   @Override
chris@3:   public boolean isSupported(String uri)
chris@3:   {
chris@3:     throw new UnsupportedOperationException("Not supported yet.");
chris@3:   }
chris@3: 
chris@3:   @Override
chris@3:   public Storage storage(Thread thread)
chris@3:     throws StorageBackendException
chris@3:   {
chris@3:     try
chris@3:     {
chris@3:     if(!instances.containsKey(Thread.currentThread()))
chris@3:     {
chris@3:       JDBCDatabase db = new JDBCDatabase();
chris@3:       db.arise();
chris@3:       instances.put(Thread.currentThread(), db);
chris@3:       return db;
chris@3:     }
chris@3:     else
chris@3:     {
chris@3:       return instances.get(Thread.currentThread());
chris@3:     }
chris@3:     }
chris@3:     catch(SQLException ex)
chris@3:     {
chris@3:       throw new StorageBackendException(ex);
chris@3:     }
chris@3:   }
chris@3: 
chris@3: }