// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

package jodd.db.connection;

import jodd.db.DbSqlException;

import javax.sql.XADataSource;
import javax.sql.XAConnection;
import java.sql.Connection;
import java.sql.SQLException;

/**
 * XA-DataSource connection provider.
 */
public class XADataSourceConnectionProvider implements ConnectionProvider {

	private final XADataSource xaDataSource;
	private final String username;
	private final String password;

	public XADataSourceConnectionProvider(XADataSource dataSource) {
		this.xaDataSource = dataSource;
		this.username = this.password = null;
	}
	public XADataSourceConnectionProvider(XADataSource dataSource, String user, String pass) {
		this.xaDataSource = dataSource;
		this.username = user;
		this.password = pass;
	}

	@Override
	public void init() {}

	@Override
	public Connection getConnection() {
		try {
			XAConnection xaConnection;
			if (username != null) {
				xaConnection = xaDataSource.getXAConnection(username, password);
			} else {
				xaConnection = xaDataSource.getXAConnection();
			}
			return xaConnection.getConnection();
		} catch (SQLException sex) {
			throw new DbSqlException("Unable to get connection from XA datasource", sex);
		}
	}

	@Override
	public void closeConnection(Connection connection) {
		try {
			connection.close();
		} catch (SQLException sex) {
			// ignore
		}
	}

	@Override
	public void close() {}
}