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1 /* 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 1999 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, if 20 * any, must include the following acknowlegement: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowlegement may appear in the software itself, 24 * if and wherever such third-party acknowlegements normally appear. 25 * 26 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software 27 * Foundation" must not be used to endorse or promote products derived 28 * from this software without prior written permission. For written 29 * permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache" 32 * nor may "Apache" appear in their names without prior written 33 * permission of the Apache Group. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>;. 53 * 54 */ 55 56 package org.apache.commons.jelly.tags.sql; 57 58 import java.io.*; 59 import java.sql.*; 60 import java.util.*; 61 import javax.sql.DataSource; 62 63 import org.apache.commons.jelly.tags.Resources; 64 65 import org.apache.commons.logging.Log; 66 import org.apache.commons.logging.LogFactory; 67 68 /*** 69 * <p>A simple <code>DataSource</code> wrapper for the standard 70 * <code>DriverManager</code> class. 71 * 72 * @author Hans Bergsten 73 */ 74 public class DataSourceWrapper implements DataSource { 75 76 /*** The Log to which logging calls will be made. */ 77 private static final Log log = LogFactory.getLog(DataSourceWrapper.class); 78 79 private String driverClassName; 80 private String jdbcURL; 81 private String userName; 82 private String password; 83 84 public void setDriverClassName(String driverClassName) 85 throws ClassNotFoundException, InstantiationException, IllegalAccessException { 86 87 if (log.isDebugEnabled()) { 88 log.debug("Loading JDBC driver: [" + driverClassName + "]"); 89 } 90 91 this.driverClassName = driverClassName; 92 getClass().getClassLoader().loadClass(driverClassName).newInstance(); 93 } 94 95 public void setJdbcURL(String jdbcURL) { 96 this.jdbcURL = jdbcURL; 97 } 98 99 public void setUserName(String userName) { 100 this.userName = userName; 101 } 102 103 public void setPassword(String password) { 104 this.password = password; 105 } 106 107 /*** 108 * Returns a Connection using the DriverManager and all 109 * set properties. 110 */ 111 public Connection getConnection() throws SQLException { 112 Connection conn = null; 113 if (userName != null) { 114 if (log.isDebugEnabled()) { 115 log.debug( 116 "Creating connection from url: " + jdbcURL + " userName: " + userName); 117 } 118 119 conn = DriverManager.getConnection(jdbcURL, userName, password); 120 } 121 else { 122 if (log.isDebugEnabled()) { 123 log.debug("Creating connection from url: " + jdbcURL); 124 } 125 126 conn = DriverManager.getConnection(jdbcURL); 127 } 128 if (log.isDebugEnabled()) { 129 log.debug( 130 "Created connection: " + conn ); 131 } 132 return conn; 133 } 134 135 /*** 136 * Always throws a SQLException. Username and password are set 137 * in the constructor and can not be changed. 138 */ 139 public Connection getConnection(String username, String password) 140 throws SQLException { 141 throw new SQLException(Resources.getMessage("NOT_SUPPORTED")); 142 } 143 144 /*** 145 * Always throws a SQLException. Not supported. 146 */ 147 public int getLoginTimeout() throws SQLException { 148 throw new SQLException(Resources.getMessage("NOT_SUPPORTED")); 149 } 150 151 /*** 152 * Always throws a SQLException. Not supported. 153 */ 154 public PrintWriter getLogWriter() throws SQLException { 155 throw new SQLException(Resources.getMessage("NOT_SUPPORTED")); 156 } 157 158 /*** 159 * Always throws a SQLException. Not supported. 160 */ 161 public void setLoginTimeout(int seconds) throws SQLException { 162 throw new SQLException(Resources.getMessage("NOT_SUPPORTED")); 163 } 164 165 /*** 166 * Always throws a SQLException. Not supported. 167 */ 168 public synchronized void setLogWriter(PrintWriter out) throws SQLException { 169 throw new SQLException(Resources.getMessage("NOT_SUPPORTED")); 170 } 171 172 }

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