protected String[] getLibEntries(String dir)
    {
        String[] entries = new String[0];
        File libdir = new File(dir);
        if (libdir.exists() && libdir.isDirectory())
        {
            entries = libdir.list();
        }
        return entries;
    }
protected String [ ] getLibEntries ( String dir ) { String [ ] entries = new String [ 0 ] ; File libdir = new File ( dir ) ; if ( libdir . exists ( ) && libdir . isDirectory ( ) ) { entries = libdir . list ( ) ; } return entries ; }
Returns a list of entries in the given directory.  This method is
separated so that unit tests can override it to return test-friendly
file names.

@param  dir the dir containing the files to return
@return the files and directories in the given directory, or
an empty array if the given directory does not exist or is
a file.