001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (c) 2004-2007 Paul Ferraro 004 * 005 * This library is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as published by the 007 * Free Software Foundation; either version 2.1 of the License, or (at your 008 * option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, but WITHOUT 011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 013 * for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this library; if not, write to the Free Software Foundation, 017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018 * 019 * Contact: ferraro@users.sourceforge.net 020 */ 021package net.sf.hajdbc.sql; 022 023import java.sql.Connection; 024import java.sql.Driver; 025import java.sql.DriverManager; 026import java.sql.SQLException; 027import java.util.Properties; 028 029import javax.management.DynamicMBean; 030import javax.management.NotCompliantMBeanException; 031import javax.management.StandardMBean; 032 033import net.sf.hajdbc.Messages; 034 035/** 036 * @author Paul Ferraro 037 * @version $Revision: 1777 $ 038 * @since 1.0 039 */ 040public class DriverDatabase extends AbstractDatabase<Driver> implements InactiveDriverDatabaseMBean 041{ 042 private static final String USER = "user"; //$NON-NLS-1$ 043 private static final String PASSWORD = "password"; //$NON-NLS-1$ 044 045 private String url; 046 private Class<? extends Driver> driverClass; 047 048 /** 049 * @see net.sf.hajdbc.sql.ActiveDriverDatabaseMBean#getUrl() 050 */ 051 @Override 052 public String getUrl() 053 { 054 return this.url; 055 } 056 057 /** 058 * @see net.sf.hajdbc.sql.InactiveDriverDatabaseMBean#setUrl(java.lang.String) 059 */ 060 @Override 061 public void setUrl(String url) 062 { 063 this.getDriver(url); 064 this.checkDirty(this.url, url); 065 this.url = url; 066 } 067 068 /** 069 * @see net.sf.hajdbc.sql.ActiveDriverDatabaseMBean#getDriver() 070 */ 071 @Override 072 public String getDriver() 073 { 074 return (this.driverClass != null) ? this.driverClass.getName() : null; 075 } 076 077 /** 078 * @see net.sf.hajdbc.sql.InactiveDriverDatabaseMBean#setDriver(java.lang.String) 079 */ 080 @Override 081 public void setDriver(String driver) 082 { 083 try 084 { 085 Class<? extends Driver> driverClass = null; 086 087 if ((driver != null) && (driver.length() > 0)) 088 { 089 driverClass = Class.forName(driver).asSubclass(Driver.class); 090 } 091 092 this.checkDirty(this.driverClass, driverClass); 093 this.driverClass = driverClass; 094 } 095 catch (ClassNotFoundException e) 096 { 097 throw new IllegalArgumentException(e); 098 } 099 catch (ClassCastException e) 100 { 101 throw new IllegalArgumentException(e); 102 } 103 } 104 105 /** 106 * @see net.sf.hajdbc.Database#connect(java.lang.Object) 107 */ 108 @Override 109 public Connection connect(Driver driver) throws SQLException 110 { 111 Properties properties = new Properties(this.getProperties()); 112 113 String user = this.getUser(); 114 115 if (user != null) 116 { 117 properties.setProperty(USER, user); 118 } 119 120 String password = this.getPassword(); 121 122 if (password != null) 123 { 124 properties.setProperty(PASSWORD, password); 125 } 126 127 return driver.connect(this.url, properties); 128 } 129 130 /** 131 * @see net.sf.hajdbc.Database#createConnectionFactory() 132 */ 133 @Override 134 public Driver createConnectionFactory() 135 { 136 return this.getDriver(this.url); 137 } 138 139 private Driver getDriver(String url) 140 { 141 try 142 { 143 return DriverManager.getDriver(url); 144 } 145 catch (SQLException e) 146 { 147 throw new IllegalArgumentException(Messages.getMessage(Messages.JDBC_URL_REJECTED, url), e); 148 } 149 } 150 151 /** 152 * @see net.sf.hajdbc.Database#getActiveMBean() 153 */ 154 @Override 155 public DynamicMBean getActiveMBean() 156 { 157 try 158 { 159 return new StandardMBean(this, ActiveDriverDatabaseMBean.class); 160 } 161 catch (NotCompliantMBeanException e) 162 { 163 throw new IllegalStateException(e); 164 } 165 } 166 167 /** 168 * @see net.sf.hajdbc.Database#getInactiveMBean() 169 */ 170 @Override 171 public DynamicMBean getInactiveMBean() 172 { 173 try 174 { 175 return new StandardMBean(this, InactiveDriverDatabaseMBean.class); 176 } 177 catch (NotCompliantMBeanException e) 178 { 179 throw new IllegalStateException(e); 180 } 181 } 182}