/*

 *   SONEWS News Server

 *   see AUTHORS for the list of contributors

 *

 *   This program 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.

 *

 *   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

 */

package org.sonews.storage.impl;

import java.util.Map;

import java.util.concurrent.ConcurrentHashMap;

import org.sonews.storage.Storage;

import org.sonews.storage.StorageBackendException;

import org.sonews.storage.StorageProvider;

/**

 *

 * @author František Kučera (frantovo.cz)

 */

public class DrupalDatabaseProvider implements StorageProvider {

	protected static final Map<Thread, DrupalDatabase> instances = new ConcurrentHashMap<Thread, DrupalDatabase>();

	@Override

	public boolean isSupported(String uri) {

		return uri.startsWith("jdbc:mysql") || uri.startsWith("jdbc:postgresql");

	}

	@Override

	public Storage storage(Thread thread) throws StorageBackendException {

		DrupalDatabase db = instances.get(Thread.currentThread());

		if (db == null) {

			db = new DrupalDatabase();

			instances.put(Thread.currentThread(), db);

		}

		return db;

	}

}