...
You might want to include some third parry data sources like a CVS file in your BIRT report. Then you can download some JDBC driver for CVS like the cvsJdbcthe appropriate Java library to access to those third party data, like the cvsJdbc library for CVS files for example:
http://csvjdbc.sourceforge.net/
...
The you have to create a Data Source item in BIRT by adding and add the JDBC driver jar library to the BIRT Report Designer:
...