SlideIdListingpublic class SlideIdListing extends Object | Gets all the different things that have Slide IDs (of sorts)
in them, and displays them, so you can try to guess what they
all mean |
| Fields Summary |
|---|
| private static byte[] | fileContents |
| Methods Summary |
|---|
| public static org.apache.poi.hslf.record.Record | findRecordAtPos(int pos)
long type = LittleEndian.getUShort(fileContents, pos+2);
long rlen = LittleEndian.getUInt(fileContents, pos+4);
Record r = Record.createRecordForType(type,fileContents,pos,(int)rlen+8);
return r;
| | public static void | main(java.lang.String[] args)
if(args.length < 1) {
System.err.println("Need to give a filename");
System.exit(1);
}
// Create the slideshow object, for normal working with
HSLFSlideShow hss = new HSLFSlideShow(args[0]);
SlideShow ss = new SlideShow(hss);
// Grab the base contents
fileContents = hss.getUnderlyingBytes();
Record[] records = hss.getRecords();
Record[] latestRecords = ss.getMostRecentCoreRecords();
// Grab any records that interest us
Document document = null;
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Document) {
document = (Document)latestRecords[i];
}
}
System.out.println("");
// Look for SlidePersistAtoms, and report what they have to
// say about possible slide IDs
SlideListWithText[] slwts = document.getSlideListWithTexts();
for(int i=0; i<slwts.length; i++) {
Record[] cr = slwts[i].getChildRecords();
for(int j=0; j<cr.length; j++) {
if(cr[j] instanceof SlidePersistAtom) {
SlidePersistAtom spa = (SlidePersistAtom)cr[j];
System.out.println("SlidePersistAtom knows about slide:");
System.out.println("\t" + spa.getRefID());
System.out.println("\t" + spa.getSlideIdentifier());
}
}
}
System.out.println("");
// Look for latest core records that are slides or notes
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Slide) {
Slide s = (Slide)latestRecords[i];
SlideAtom sa = s.getSlideAtom();
System.out.println("Found the latest version of a slide record:");
System.out.println("\tCore ID is " + s.getSheetId());
System.out.println("\t(Core Records count is " + i + ")");
System.out.println("\tDisk Position is " + s.getLastOnDiskOffset());
System.out.println("\tMaster ID is " + sa.getMasterID());
System.out.println("\tNotes ID is " + sa.getNotesID());
}
}
System.out.println("");
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Notes) {
Notes n = (Notes)latestRecords[i];
NotesAtom na = n.getNotesAtom();
System.out.println("Found the latest version of a notes record:");
System.out.println("\tCore ID is " + n.getSheetId());
System.out.println("\t(Core Records count is " + i + ")");
System.out.println("\tDisk Position is " + n.getLastOnDiskOffset());
System.out.println("\tMatching slide is " + na.getSlideID());
}
}
System.out.println("");
// Find any persist ones first
int pos = 0;
for(int i=0; i<records.length; i++) {
Record r = records[i];
if(r.getRecordType() == 6001l) {
// PersistPtrFullBlock
System.out.println("Found PersistPtrFullBlock at " + pos + " (" + Integer.toHexString(pos) + ")");
}
if(r.getRecordType() == 6002l) {
// PersistPtrIncrementalBlock
System.out.println("Found PersistPtrIncrementalBlock at " + pos + " (" + Integer.toHexString(pos) + ")");
PersistPtrHolder pph = (PersistPtrHolder)r;
// Check the sheet offsets
int[] sheetIDs = pph.getKnownSlideIDs();
Hashtable sheetOffsets = pph.getSlideLocationsLookup();
for(int j=0; j<sheetIDs.length; j++) {
Integer id = new Integer(sheetIDs[j]);
Integer offset = (Integer)sheetOffsets.get(id);
System.out.println(" Knows about sheet " + id);
System.out.println(" That sheet lives at " + offset);
Record atPos = findRecordAtPos(offset.intValue());
System.out.println(" The record at that pos is of type " + atPos.getRecordType());
System.out.println(" The record at that pos has class " + atPos.getClass().getName());
if(! (atPos instanceof PositionDependentRecord)) {
System.out.println(" ** The record class isn't position aware! **");
}
}
}
// Increase the position by the on disk size
ByteArrayOutputStream baos = new ByteArrayOutputStream();
r.writeOut(baos);
pos += baos.size();
}
System.out.println("");
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