Connecting using User's Credentials

[stevem]

I'm using the ibatis DAO framework and SQLMapping to develop a web application and it is working great.  I used Hibernate on the last project, but the client insisted on having more control over the SQL.  SQLMapping takes care of that.  Now the DBA is insisting that each user authenticate with their own Oracle ID and password.  Can I pass in the connection credentials at run time rather than use what is in the config file?