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/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.gnu.org/licenses/gpl.html
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.tinydb.util;

import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.support.TransactionTemplate;
import org.tinygroup.beancontainer.BeanContainerFactory;
import org.tinygroup.logger.Logger;
import org.tinygroup.logger.LoggerFactory;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;

/**
 * 数据源工厂
 * 
 * @author luoguo
 * 
 */
public final class DataSourceFactory {
	
	private static Logger logger=LoggerFactory.getLogger(DataSourceFactory.class);
	
	private DataSourceFactory(){
		
	}

	public static PlatformTransactionManager getTransactionManager(
			String dataSourceName,ClassLoader loader) {

		return getTransactionTemplate(dataSourceName,loader).getTransactionManager();
	}

	public static TransactionTemplate getTransactionTemplate(
			String dataSourceName,ClassLoader loader) {
		DataSourceProxy dataSource = BeanContainerFactory.getBeanContainer(loader).getBean("dataSourceProxy");
		return dataSource.getTransactionTemplate();
	}

	public static Connection getConnection(String dataSourceName,ClassLoader loader) {
		
		try {
			DataSource dataSource = BeanContainerFactory.getBeanContainer(loader).getBean(dataSourceName);
			return dataSource.getConnection();
		} catch (SQLException e) {
			logger.errorMessage(e.getMessage(), e);
		}
		return null;
	}
}