Complete path of the file uploaded using FIleUpload UI

Dear All,

I need to get the complete path of the file uploaded using FileUpload UI.

For Eg: File location--> C:\Documents and Settings\Desktop\Swapnil\New Doument.txt

When i use fileUpload ui i just get the file name i.e New Doument.txt using ResourceName() function

But i need the complete path of the file i.e C:\Documents and Settings\Desktop\Swapnil\New Doument.txt.

I need to pass this path to the backend rfc and its a standard rfc so i cant make changes to it.

So i need to know how to get the complete path of the file.

Priority: High

Regards,

Swapnil