How can I get a list of all mounted filesystems in Java on Unix?

Question

I\'m running Java on a Unix platform. How can I get a list of all mounted filesystems via the Java 1.6 API?

I\'ve tried File.listRoots() but that return

Answer 1

I was already on the way to using mount when @Cozzamara pointed out that's the way to go. What I ended up with is:

    // get the list of mounted filesystems
    // Note: this is Unix specific, as it requires the "mount" command
    Process mountProcess = Runtime.getRuntime ().exec ( "mount" );
    BufferedReader mountOutput = new BufferedReader ( new InputStreamReader ( mountProcess.getInputStream () ) );
    List roots = new ArrayList ();
    while ( true ) {

        // fetch the next line of output from the "mount" command
        String line = mountOutput.readLine ();
        if ( line == null )
            break;

        // the line will be formatted as "... on  (...)"; get the substring we need
        int indexStart = line.indexOf ( " on /" );
        int indexEnd = line.indexOf ( " ", indexStart );
        roots.add ( new File ( line.substring ( indexStart + 4, indexEnd - 1 ) ) );
    }
    mountOutput.close ();