Getting the full file path from FormFile

Hi, I am reading in a .csv file from my JSP page and I want to pass the String path from my Action class to the logic layer class. When I try and pass it at the moment, it throws an FileNotFound error as it is only passing the file name. i.e
Passing
text.csv
not
C:\text.csv
Is there anyway of detirming the full file path using the FormFile class?
Thanks in advance

Yes, as in Struts.
I am not trying to upload the file, simply trying to read the contents from the file. My problem is that I want to read the contents from one of my business logic classes, not within my struts Action. I can get it working if I use
byte[] datainfile = file.getFileData();
and then send that but the I would prefer to just send the full path to my Business logic class and process everything in there rather than doing some in my Action and some in my logic class.
So what I would like to put in my Action class is something such as
processCSVFile(String filePath);
instead of
processCSVFile(Byte[] formFile);

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Flash Movie and
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