/*
 * Copyright 2009-2010 Yuichiro Moriguchi
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 net.morilib.lisp.sql;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

import net.morilib.lisp.Datum;

/**
 *
 *
 * @author MORIGUCHI, Yuichiro 2011/02/05
 */
public class LispJdbcConnection
extends Datum implements LispJdbcClosable {

	//
	private Connection connection;
	private boolean closed = false;

	/**
	 * 
	 * @param uri
	 * @param user
	 * @param pwd
	 * @throws SQLException 
	 */
	public LispJdbcConnection(
			String uri,
			String user,
			String pwd) throws SQLException {
		connection = DriverManager.getConnection(uri, user, pwd);
	}

	/**
	 * 
	 * @param uri
	 * @throws SQLException
	 */
	public LispJdbcConnection(
			String uri) throws SQLException {
		connection = DriverManager.getConnection(uri);
	}

	/**
	 * @return the connection
	 */
	public Connection getConnection() {
		return connection;
	}

	/**
	 * 
	 * @throws SQLException
	 */
	public void close() throws SQLException {
		if(!closed) {
			connection.close();
			connection = null;
			closed = true;
		}
	}

	/* (non-Javadoc)
	 * @see net.morilib.lisp.sql.LispJdbcClosable#isClosed()
	 */
	public boolean isClosed() {
		return closed;
	}

}
