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 */
017
018 package org.apache.commons.dbcp;
019 import java.sql.Connection;
020 import java.sql.DriverManager;
021 import java.sql.SQLException;
022 import java.util.Properties;
023
024 /**
025 * A {@link DriverManager}-based implementation of {@link ConnectionFactory}.
026 *
027 * @author Rodney Waldhoff
028 * @author Ignacio J. Ortega
029 * @author Dirk Verbeeck
030 * @version $Revision: 892307 $ $Date: 2013-12-31 23:27:28 +0000 (Tue, 31 Dec 2013) $
031 */
032 public class DriverManagerConnectionFactory implements ConnectionFactory {
033
034 static {
035 // Related to DBCP-212
036 // Driver manager does not sync loading of drivers that use the service
037 // provider interface. This will cause issues is multi-threaded
038 // environments. This hack makes sure the drivers are loaded before
039 // DBCP tries to use them.
040 DriverManager.getDrivers();
041 }
042
043
044 /**
045 * Constructor for DriverManagerConnectionFactory.
046 * @param connectUri a database url of the form
047 * <code> jdbc:<em>subprotocol</em>:<em>subname</em></code>
048 * @param props a list of arbitrary string tag/value pairs as
049 * connection arguments; normally at least a "user" and "password"
050 * property should be included.
051 */
052 public DriverManagerConnectionFactory(String connectUri, Properties props) {
053 _connectUri = connectUri;
054 _props = props;
055 }
056
057 /**
058 * Constructor for DriverManagerConnectionFactory.
059 * @param connectUri a database url of the form
060 * <code>jdbc:<em>subprotocol</em>:<em>subname</em></code>
061 * @param uname the database user
062 * @param passwd the user's password
063 */
064 public DriverManagerConnectionFactory(String connectUri, String uname, String passwd) {
065 _connectUri = connectUri;
066 _uname = uname;
067 _passwd = passwd;
068 }
069
070 public Connection createConnection() throws SQLException {
071 if(null == _props) {
072 if((_uname == null) && (_passwd == null)) {
073 return DriverManager.getConnection(_connectUri);
074 } else {
075 return DriverManager.getConnection(_connectUri,_uname,_passwd);
076 }
077 } else {
078 return DriverManager.getConnection(_connectUri,_props);
079 }
080 }
081
082 protected String _connectUri = null;
083 protected String _uname = null;
084 protected String _passwd = null;
085 protected Properties _props = null;
086 }