org.apache.avalon.excalibur.datasource
Class J2eeDataSource

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.avalon.excalibur.datasource.J2eeDataSource

All Implemented Interfaces:

Component, Configurable, DataSourceComponent, LogEnabled, ThreadSafe

public class J2eeDataSource

extends AbstractLogEnabled

implements DataSourceComponent

The J2EE implementation for DataSources in Cocoon. This uses the javax.sql.DataSource object and assumes that the J2EE container pools the datasources properly.

Since:

4.0

Version:

CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:14 $

Author:

Avalon Development Team

Field Summary

static java.lang.String	JDBC_NAME
protected javax.sql.DataSource	m_dataSource
protected java.lang.String	m_password
protected java.lang.String	m_user

Fields inherited from interface org.apache.avalon.excalibur.datasource.DataSourceComponent

ROLE

Constructor Summary

J2eeDataSource()

Method Summary

void	configure(Configuration configuration) Configure and set up DB connection.
java.sql.Connection	getConnection() Get the database connection

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

JDBC_NAME

public static final java.lang.String JDBC_NAME

See Also:

Constant Field Values

m_dataSource

protected javax.sql.DataSource m_dataSource

m_user

protected java.lang.String m_user

m_password

protected java.lang.String m_password

Constructor Detail

J2eeDataSource

public J2eeDataSource()

Method Detail

configure

public void configure(Configuration configuration)
               throws ConfigurationException

Configure and set up DB connection. Here we set the connection information needed to create the Connection objects. It must be called only once.

Specified by:

configure in interface Configurable

Parameters:

configuration - the class configurations. Must not be null.

Throws:

ConfigurationException

getConnection

public java.sql.Connection getConnection()
                                  throws java.sql.SQLException

Get the database connection

Specified by:

getConnection in interface DataSourceComponent

Returns:

Connection a valid connection for you to use

Throws:

java.sql.SQLException