Java.io.File and "My documents"

hi,
In windows "My documents" is a shortcut to "c:\documents d settings\username\My Documents". Lets say that I ask the user to enter
a filename with its path. When got it, i would do
File file = new File(filename);
but filename could be :
"c:\data"
"c:\temp"
"My documents"
I'm wondering if by specifying "My documents" there is class that would interpret "My documents" as "c:\Documents and Settings\username\My documents"?? Meaning for example, when doing this
File file = new File("My Documents")
String filename = file.getPath()
System.out.println(filename);
on the print out, i will see "c:\documents and settings\username\My Documents"????
Thank you very much

well, I'm reading from a config.properties file. The user can enter wheter "c:\data\" or "My documents\data"... and so, when I got "My documents\data" as an entry, i have to create a file object as "c:\documents and settings\username\My Documents\data". Instead of comparing each time (meaning if "My documents" than get the system.getproperties("user.home") + "My documents"), I want to know if there is way to create a File instance by passing "My documents" it is smart enough to know that "My docyments" refer to the directory "c:\documents and settings\username\My documents".

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