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1 package org.apache.torque.dsfactory; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001-2003 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>. 55 */ 56 57 import javax.sql.ConnectionPoolDataSource; 58 import javax.sql.DataSource; 59 60 import org.apache.commons.configuration.Configuration; 61 62 import org.apache.commons.dbcp.datasources.PerUserPoolDataSource; 63 64 import org.apache.commons.logging.Log; 65 import org.apache.commons.logging.LogFactory; 66 67 import org.apache.torque.Torque; 68 import org.apache.torque.TorqueException; 69 70 /*** 71 * A factory that looks up the DataSource using the JDBC2 pool methods. 72 * 73 * @author <a href="mailto:jmcnally@apache.org">John McNally</a> 74 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> 75 * @version $Id: PerUserPoolDataSourceFactory.java,v 1.1 2003/08/19 19:09:12 mpoeschl Exp $ 76 */ 77 public class PerUserPoolDataSourceFactory 78 extends AbstractDataSourceFactory 79 implements DataSourceFactory 80 { 81 82 /*** The log. */ 83 private static Log log 84 = LogFactory.getLog(PerUserPoolDataSourceFactory.class); 85 86 /*** The wrapped <code>DataSource</code>. */ 87 private DataSource ds; 88 89 /*** 90 * @see org.apache.torque.dsfactory.DataSourceFactory#getDataSource 91 */ 92 public DataSource getDataSource() 93 { 94 return ds; 95 } 96 97 /*** 98 * @see org.apache.torque.dsfactory.DataSourceFactory#initialize 99 */ 100 public void initialize(Configuration configuration) throws TorqueException 101 { 102 if (configuration == null) 103 { 104 throw new TorqueException( 105 "Torque cannot be initialized without a valid configuration. " 106 + "Please check the log files for further details."); 107 } 108 109 ConnectionPoolDataSource cpds = initCPDS(configuration); 110 PerUserPoolDataSource ds = initJdbc2Pool(configuration); 111 ds.setConnectionPoolDataSource(cpds); 112 this.ds = ds; 113 } 114 115 /*** 116 * Initializes the Jdbc2PoolDataSource. 117 * 118 * @param configuration where to read the settings from 119 * @throws TorqueException if a property set fails 120 * @return a configured <code>Jdbc2PoolDataSource</code> 121 */ 122 private PerUserPoolDataSource initJdbc2Pool(Configuration configuration) 123 throws TorqueException 124 { 125 log.debug("Starting initJdbc2Pool"); 126 PerUserPoolDataSource ds = new PerUserPoolDataSource(); 127 Configuration c = Torque.getConfiguration(); 128 129 if (c == null) 130 { 131 log.warn("Global Configuration not set," 132 + " no Default pool data source configured!"); 133 } 134 else 135 { 136 Configuration conf = c.subset(DEFAULT_POOL_KEY); 137 applyConfiguration(conf, ds); 138 } 139 140 Configuration conf = configuration.subset(POOL_KEY); 141 applyConfiguration(conf, ds); 142 return ds; 143 } 144 }

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