    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017package org.apache.commons.dbcp2;
    018
    019import java.sql.Connection;
    020import java.sql.SQLException;
    021
    022import javax.sql.DataSource;
    023
    024/**
    025 * A {@link DataSource}-based implementation of {@link ConnectionFactory}.
    026 *
    027 * @since 2.0
    028 */
    029public class DataSourceConnectionFactory implements ConnectionFactory {
    030
    031    private final DataSource dataSource;
    032
    033    private final String userName;
    034
    035    private final char[] userPassword;
    036
    037    /**
    038     * Constructs an instance for the given DataSource.
    039     *
    040     * @param dataSource
    041     *            The DataSource for this factory.
    042     */
    043    public DataSourceConnectionFactory(final DataSource dataSource) {
    044        this(dataSource, null, (char[]) null);
    045    }
    046
    047    /**
    048     * Constructs an instance for the given DataSource.
    049     *
    050     * @param dataSource
    051     *            The DataSource for this factory.
    052     * @param userName
    053     *            The user name.
    054     * @param userPassword
    055     *            The user password.
    056     * @since 2.4.0
    057     */
    058    public DataSourceConnectionFactory(final DataSource dataSource, final String userName, final char[] userPassword) {
    059        this.dataSource = dataSource;
    060        this.userName = userName;
    061        this.userPassword = userPassword;
    062    }
    063
    064    /**
    065     * Constructs an instance for the given DataSource.
    066     *
    067     * @param dataSource
    068     *            The DataSource for this factory.
    069     * @param userName
    070     *            The user name.
    071     * @param password
    072     *            The user password.
    073     */
    074    public DataSourceConnectionFactory(final DataSource dataSource, final String userName, final String password) {
    075        this.dataSource = dataSource;
    076        this.userName = userName;
    077        this.userPassword = Utils.toCharArray(password);
    078    }
    079
    080    @Override
    081    public Connection createConnection() throws SQLException {
    082        if (null == userName && null == userPassword) {
    083            return dataSource.getConnection();
    084        }
    085        return dataSource.getConnection(userName, Utils.toString(userPassword));
    086    }
    087}