In Swing's JFileChooser, the local drives are accessible but not the mapped network drives (on Windows platform). How can I see the network drives?
What it does not show is the UNC based names like emote_machine emote_share_name or the network neighbourhood.
The following FAQ also may be related to what you are looking for.
You call always augment the functionality of JFileChooser using the Accessory mechanism -
Installing the a custom FileSystemView