1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/org/sonews/storage/impl/JDBCDatabaseProvider.java	Thu Aug 06 18:34:10 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 +}