HashMap doDR(ISO9660File file) throws HandlerException {
long position = streamHandler.mark();
HashMap memory = super.doDR(file);
if (RRIPFactory.MKISOFS_COMPATIBILITY) {
// RR: Recorded Fields
int flags =
RRIPFactory.RR_PX_RECORDED | RRIPFactory.RR_TF_RECORDED | RRIPFactory.RR_NM_RECORDED;
rripFactory.doRREntry(flags);
}
// PX: POSIX File Attributes
POSIXFileMode fileMode = getPOSIXFileModeForObject(file);
int fileModes = fileMode.getFileMode();
rripFactory.doPXEntry(fileModes, 1, 0, 0, 1);
// TF: Timestamp
ISO9660ShortDateDataReference date = new ISO9660ShortDateDataReference(file.lastModified());
rripFactory.doTFEntry(RRIPFactory.TF_MODIFY, date);
// Compute length up to here
int length = helper.getDifferenceTo(position);
// NM: Alternate Name
length = doNM(helper.getFilenameDataReference(file), length);
// Update Directory Record Length
return finalizeDR(memory, length);
}
private int doNM(FilenameDataReference filename, int drLength) throws HandlerException {
int lengthToAdd = RRIPFactory.NM_ENTRY_LENGTH;
// Note: Since DR length must be an even number (see ISO 9660 section 9.1.13),
// a DR length of 255 would be changed to 256 which does not fit into a byte
int rest = 254 - drLength;
if (rest >= filename.getLength() + RRIPFactory.NM_ENTRY_LENGTH) {
// Filename fits into this System Use Area
rripFactory.doNMEntry(0, filename);
lengthToAdd += filename.getLength();
} else {
// Filename exceeds space left -> Continuation Area needed
int prefixLength = rest - (RRIPFactory.NM_ENTRY_LENGTH + RRIPFactory.CE_ENTRY_LENGTH);
String name = filename.getName();
DataReference filenameRest = helper.getFilenameDataReference(name.substring(0, prefixLength));
rripFactory.doNMEntry(RRIPFactory.NM_CONTINUES, filenameRest);
// Construct CE Entry to continue filename in Continuation Area
HashMap ceMemory = rripFactory.doCEEntry();
UnfinishedNMEntry unfinishedNMEntry = new UnfinishedNMEntry();
unfinishedNMEntry.location = (Fixup) ceMemory.get("ceLocationFixup");
unfinishedNMEntry.offset = (Fixup) ceMemory.get("ceOffsetFixup");
unfinishedNMEntry.length = (Fixup) ceMemory.get("ceLengthFixup");
unfinishedNMEntry.filenameRest = name.substring(prefixLength);
unfinishedNMEntries.add(unfinishedNMEntry);
lengthToAdd += prefixLength + RRIPFactory.CE_ENTRY_LENGTH;
}
return drLength + lengthToAdd;
}
HashMap doFakeDR(ISO9660Directory dir) throws HandlerException {
long position = streamHandler.mark();
HashMap memory = super.doFakeDR(dir);
if (RRIPFactory.MKISOFS_COMPATIBILITY) {
// RR: Recorded Fields
int flags =
RRIPFactory.RR_PX_RECORDED | RRIPFactory.RR_NM_RECORDED | RRIPFactory.RR_CL_RECORDED;
rripFactory.doRREntry(flags);
}
// PX: POSIX File Attributes
int fileModes = getPOSIXFileModeForObject(dir).getFileMode();
int fileLinks = 2 + dir.getDirectories().size();
rripFactory.doPXEntry(fileModes, fileLinks, 0, 0, 1);
// CL: Child link (location of the actual directory record)
childLocationFixups.put(dir, rripFactory.doCLEntry());
// Compute length up to here
int length = helper.getDifferenceTo(position);
// NM: Alternate Name
length = doNM(helper.getFilenameDataReference(dir), length);
// Update Directory Record Length
return finalizeDR(memory, length);
}
private void doCA() throws HandlerException {
long position = streamHandler.mark();
streamHandler.startElement(new LogicalSectorElement("CA"));
int location = helper.getCurrentLocation();
// Write and close RRIP ER Location Fixup
Fixup rripERLocationFixup = (Fixup) volumeFixups.get("rripERLocationFixup");
rripERLocationFixup.data(new BothWordDataReference(location));
rripERLocationFixup.close();
// Write ER Entry
rripFactory.doEREntry();
// Write ST Entry and compute length
int erLength = doST(helper.getDifferenceTo(position));
// Write and close RRIP ER Length Fixup
Fixup rripERLengthFixup = (Fixup) volumeFixups.get("rripERLengthFixup");
rripERLengthFixup.data(new BothWordDataReference(erLength));
rripERLengthFixup.close();
// Process unfinished NM Entries
int offset = erLength;
Iterator it = unfinishedNMEntries.iterator();
while (it.hasNext()) {
UnfinishedNMEntry unfinishedNMEntry = (UnfinishedNMEntry) it.next();
String name = unfinishedNMEntry.filenameRest;
rripFactory.doNMEntry(0, helper.getFilenameDataReference(name));
// Write and close CE Entry Location Fixup
unfinishedNMEntry.location.data(new BothWordDataReference(location));
unfinishedNMEntry.location.close();
// Write and close CE Entry Offset Fixup
unfinishedNMEntry.offset.data(new BothWordDataReference(offset));
unfinishedNMEntry.offset.close();
// Write ST Entry and compute length
int ceLength = doST(name.length() + RRIPFactory.NM_ENTRY_LENGTH);
// Write and close CE Entry Length Fixup
unfinishedNMEntry.length.data(new BothWordDataReference(ceLength));
unfinishedNMEntry.length.close();
offset += ceLength;
}
streamHandler.endElement();
}