}
- /**
- * Writes out the slideshow file the is represented by an instance of
- * this class
- * @param out The OutputStream to write to.
- * @throws IOException If there is an unexpected IOException from the passed
- * in OutputStream
- */
- public void write(OutputStream out) throws IOException {
- // Get a new Filesystem to write into
- POIFSFileSystem outFS = new POIFSFileSystem();
-
- // Write out the Property Streams
- writeProperties(outFS);
-
-
- // For position dependent records, hold where they were and now are
- // As we go along, update, and hand over, to any Position Dependent
- // records we happen across
- Hashtable oldToNewPositions = new Hashtable();
-
- // First pass - figure out where all the position dependent
- // records are going to end up, in the new scheme
- // (Annoyingly, some powerpoing files have PersistPtrHolders
- // that reference slides after the PersistPtrHolder)
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- for(int i=0; i<_records.length; i++) {
- if(_records[i] instanceof PositionDependentRecord) {
- PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
- int oldPos = pdr.getLastOnDiskOffset();
- int newPos = baos.size();
- pdr.setLastOnDiskOffset(newPos);
- oldToNewPositions.put(new Integer(oldPos),new Integer(newPos));
- //System.out.println(oldPos + " -> " + newPos);
- }
-
- // Dummy write out, so the position winds on properly
- _records[i].writeOut(baos);
- }
+ /**
+ * Writes out the slideshow file the is represented by an instance
+ * of this class.
+ * It will write out the common OLE2 streams. If you require all
+ * streams to be written out, pass in preserveNodes
+ * @param out The OutputStream to write to.
+ * @throws IOException If there is an unexpected IOException from
+ * the passed in OutputStream
+ */
+ public void write(OutputStream out) throws IOException {
+ // Write out, but only the common streams
+ write(out,false);
+ }
+ /**
+ * Writes out the slideshow file the is represented by an instance
+ * of this class.
+ * If you require all streams to be written out (eg Marcos, embeded
+ * documents), then set preserveNodes to true
+ * @param out The OutputStream to write to.
+ * @param preserveNodes Should all OLE2 streams be written back out, or only the common ones?
+ * @throws IOException If there is an unexpected IOException from
+ * the passed in OutputStream
+ */
+ public void write(OutputStream out, boolean preserveNodes) throws IOException {
+ // Get a new Filesystem to write into
+ POIFSFileSystem outFS = new POIFSFileSystem();
+
+ // Write out the Property Streams
+ writeProperties(outFS);
+
+
+ // For position dependent records, hold where they were and now are
+ // As we go along, update, and hand over, to any Position Dependent
+ // records we happen across
+ Hashtable oldToNewPositions = new Hashtable();
+
+ // First pass - figure out where all the position dependent
+ // records are going to end up, in the new scheme
+ // (Annoyingly, some powerpoing files have PersistPtrHolders
+ // that reference slides after the PersistPtrHolder)
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ for(int i=0; i<_records.length; i++) {
+ if(_records[i] instanceof PositionDependentRecord) {
+ PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
+ int oldPos = pdr.getLastOnDiskOffset();
+ int newPos = baos.size();
+ pdr.setLastOnDiskOffset(newPos);
+ oldToNewPositions.put(new Integer(oldPos),new Integer(newPos));
+ //System.out.println(oldPos + " -> " + newPos);
+ }
- // No go back through, actually writing ourselves out
- baos.reset();
- for(int i=0; i<_records.length; i++) {
- // For now, we're only handling PositionDependentRecord's that
- // happen at the top level.
- // In future, we'll need the handle them everywhere, but that's
- // a bit trickier
- if(_records[i] instanceof PositionDependentRecord) {
- // We've already figured out their new location, and
- // told them that
- // Tell them of the positions of the other records though
- PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
- pdr.updateOtherRecordReferences(oldToNewPositions);
- }
+ // Dummy write out, so the position winds on properly
+ _records[i].writeOut(baos);
+ }
- // Whatever happens, write out that record tree
- _records[i].writeOut(baos);
- }
- // Update our cached copy of the bytes that make up the PPT stream
- _docstream = baos.toByteArray();
+ // No go back through, actually writing ourselves out
+ baos.reset();
+ for(int i=0; i<_records.length; i++) {
+ // For now, we're only handling PositionDependentRecord's that
+ // happen at the top level.
+ // In future, we'll need the handle them everywhere, but that's
+ // a bit trickier
+ if(_records[i] instanceof PositionDependentRecord) {
+ // We've already figured out their new location, and
+ // told them that
+ // Tell them of the positions of the other records though
+ PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
+ pdr.updateOtherRecordReferences(oldToNewPositions);
+ }
+
+ // Whatever happens, write out that record tree
+ _records[i].writeOut(baos);
+ }
+ // Update our cached copy of the bytes that make up the PPT stream
+ _docstream = baos.toByteArray();
- // Write the PPT stream into the POIFS layer
- ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
- outFS.createDocument(bais,"PowerPoint Document");
+ // Write the PPT stream into the POIFS layer
+ ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+ outFS.createDocument(bais,"PowerPoint Document");
- // Update and write out the Current User atom
- int oldLastUserEditAtomPos = (int)currentUser.getCurrentEditOffset();
- Integer newLastUserEditAtomPos = (Integer)oldToNewPositions.get(new Integer(oldLastUserEditAtomPos));
- if(newLastUserEditAtomPos == null) {
- throw new HSLFException("Couldn't find the new location of the UserEditAtom that used to be at " + oldLastUserEditAtomPos);
- }
- currentUser.setCurrentEditOffset(newLastUserEditAtomPos.intValue());
- currentUser.writeToFS(outFS);
+ // Update and write out the Current User atom
+ int oldLastUserEditAtomPos = (int)currentUser.getCurrentEditOffset();
+ Integer newLastUserEditAtomPos = (Integer)oldToNewPositions.get(new Integer(oldLastUserEditAtomPos));
+ if(newLastUserEditAtomPos == null) {
+ throw new HSLFException("Couldn't find the new location of the UserEditAtom that used to be at " + oldLastUserEditAtomPos);
+ }
+ currentUser.setCurrentEditOffset(newLastUserEditAtomPos.intValue());
+ currentUser.writeToFS(outFS);
- // Write any pictures, into another stream
- if (_pictures != null) {
- ByteArrayOutputStream pict = new ByteArrayOutputStream();
- for (int i = 0; i < _pictures.length; i++ ) {
- _pictures[i].write(pict);
- }
- outFS.createDocument(
- new ByteArrayInputStream(pict.toByteArray()), "Pictures"
- );
- }
+ // Write any pictures, into another stream
+ if (_pictures != null) {
+ ByteArrayOutputStream pict = new ByteArrayOutputStream();
+ for (int i = 0; i < _pictures.length; i++ ) {
+ _pictures[i].write(pict);
+ }
+ outFS.createDocument(
+ new ByteArrayInputStream(pict.toByteArray()), "Pictures"
+ );
+ }
- // Send the POIFSFileSystem object out to the underlying stream
- outFS.writeFilesystem(out);
- }
+ // Send the POIFSFileSystem object out to the underlying stream
+ outFS.writeFilesystem(out);
+ }
/* ******************* adding methods follow ********************* */
projects / poi.git / commitdiff