001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.contrib.table.model.sql;
016    
017    import java.sql.Connection;
018    import java.sql.DriverManager;
019    import java.sql.SQLException;
020    
021    import org.apache.commons.logging.Log;
022    import org.apache.commons.logging.LogFactory;
023    
024    /**
025     * @author mindbridge
026     */
027    public class SimpleSqlConnectionSource implements ISqlConnectionSource
028    {
029        private static final Log LOG = LogFactory.getLog(SimpleSqlConnectionSource.class);
030    
031        private String m_strUrl;
032    
033        private String m_strUser;
034    
035        private String m_strPwd;
036    
037        public SimpleSqlConnectionSource(String strUrl)
038        {
039            this(strUrl, null, null);
040        }
041    
042        public SimpleSqlConnectionSource(String strUrl, String strUser, String strPwd)
043        {
044            m_strUrl = strUrl;
045            m_strUser = strUser;
046            m_strPwd = strPwd;
047        }
048    
049        /**
050         * @see org.apache.tapestry.contrib.table.model.sql.ISqlConnectionSource#obtainConnection()
051         */
052        public Connection obtainConnection() throws SQLException
053        {
054            if (m_strUser == null)
055                return DriverManager.getConnection(m_strUrl);
056    
057            return DriverManager.getConnection(m_strUrl, m_strUser, m_strPwd);
058        }
059    
060        /**
061         * @see org.apache.tapestry.contrib.table.model.sql.ISqlConnectionSource#returnConnection(Connection)
062         */
063        public void returnConnection(Connection objConnection)
064        {
065            try
066            {
067                objConnection.close();
068            }
069            catch (SQLException e)
070            {
071                LOG.warn("Could not close connection", e);
072            }
073        }
074    
075    }