Accessing OS/390 through Java and reading VSAM files

I hope this is the apporiate forum for this question. I am fairly new to Java but am interested in learning about using Java to connect to a mainframe and read a VSAM file. So my questions are:
1.) Where can I find information on this on this topic
2.) Would this require database drivers, and if so, are there any open source drivers for reading VSAM
Thanks for your help,
John

You can get an evaluation copy of WebSphere Information Integrator Classic Federation for z/OS v8.2. This will include JDBC clients for Windows and Unix platforms as well as a z/OS data server component that can access the VSAM data. .
There are two ways to order an evaluation copy:
Through the IBM zSeries account rep
Via the Shop zSeries Web site

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