public static void createFloppy(File f) throws Exception {
GrubFatFormatter ff = new GrubFatFormatter(0, null, null);
FileDevice newFd = new FileDevice(f, "rw");
newFd.setLength(1440 * 1024);
ff.format(newFd);
// newFd.start();
final FileSystemService fSS = InitialNaming.lookup(FileSystemService.NAME);
FatFileSystemType type = fSS.getFileSystemType(FatFileSystemType.ID);
FatFileSystem fs = new FatFileSystem(newFd, false, type);
FSDirectory dir = fs.getRootEntry().getDirectory();
FSDirectory bDir = dir.addDirectory("boot").getDirectory();
FSDirectory bgDir = bDir.addDirectory("grub").getDirectory();
URLConnection urlConn = FatTest.class.getClassLoader().getResource("menu.lst").openConnection();
// byte[] buf = new byte[urlConn.getContentLength()];
ByteBuffer buf = ByteBuffer.allocate(urlConn.getContentLength());
FileUtils.copy(urlConn.getInputStream(), buf.array());
final FSFile fh1 = dir.addFile("test.lst").getFile();
fh1.setLength(urlConn.getContentLength());
fh1.write(0, buf);
final FSFile fh2 = bgDir.addFile("menu.lst").getFile();
fh2.setLength(urlConn.getContentLength());
fh2.write(0, buf);
fs.flush();
// newFd.stop();
newFd.close();
}
public static void printInfo(File file, PrintWriter out) throws IOException, FileSystemException {
FileDevice fd = new FileDevice(file, "r");
try {
final FileSystemService fSS = InitialNaming.lookup(FileSystemService.NAME);
FatFileSystemType type = fSS.getFileSystemType(FatFileSystemType.ID);
FatFileSystem fs = new FatFileSystem(fd, false, type);
try {
BootSector bs = fs.getBootSector();
bs.read(fd);
out.println("OEM name " + bs.getOemName());
out.println("bytes/sector " + bs.getBytesPerSector());
out.println("sectors/cluster " + bs.getSectorsPerCluster());
out.println("#reserved sectors " + bs.getNrReservedSectors());
out.println("#fats " + bs.getNrFats());
out.println("#rootdir entries " + bs.getNrRootDirEntries());
out.println("#logical sectors " + bs.getNrLogicalSectors());
out.println("Medium descriptor 0x" + Integer.toHexString(bs.getMediumDescriptor()));
out.println("sectors/fat " + bs.getSectorsPerFat());
out.println("sectors/track " + bs.getSectorsPerTrack());
out.println("#heads " + bs.getNrHeads());
out.println("#hidden sectors " + bs.getNrHiddenSectors());
fs.getFat().printTo(out);
fs.getRootDir().printTo(out);
try {
FatDirectory dir =
(FatDirectory) fs.getRootEntry().getDirectory().getEntry("AAP").getDirectory();
dir.printTo(out);
} catch (FileNotFoundException ex) {
out.println("No AAP directory");
}
try {
FatDirectory dir =
(FatDirectory) fs.getRootEntry().getDirectory().getEntry("boot").getDirectory();
dir.printTo(out);
} catch (FileNotFoundException ex) {
out.println("No boot directory");
}
} finally {
// fd.stop();
fd.close();
}
} catch (NameNotFoundException e) {
throw new FileSystemException(e);
}
}