Thank you so much! That really helped me out.
Am 09.11.2013, 14:20 Uhr, schrieb Gilad Denneboom
<[email protected]>:
(Sorry, it returns 16)
On Sat, Nov 9, 2013 at 2:18 PM, Gilad Denneboom
<[email protected]>wrote:
I wrote this code for you to do this task in a different way:
PDDocument doc = PDDocument.load("c:/temp/2013_DA_Schmitz.pdf");
PDPage p =
doc.getDocumentCatalog().getDocumentOutline().getFirstChild().findDestinationPage(doc);
List<PDPage> pages = doc.getDocumentCatalog().getAllPages();
for (int i=0; i<pages.size(); i++)
if (pages.get(i).equals(p))
System.out.println(i);
doc.close();
This looks up the page number of the first bookmark in the file, and it
returns 14 (remember it's 0-based).
Gilad
On Sat, Nov 9, 2013 at 12:51 PM, Sera <[email protected]> wrote:
My main goal is to extract the chapternames, the pagecount of each
chapter and a way to see, if something new was written in the chapter.
Further, I want to extract the bullet points inside the PDF, but thats
not so relevant. I've got the chapternames out of PDFBox. So that
works.
The "see if somethings new" I wanted to make with counting the
characters.
Am 09.11.2013, 10:53 Uhr, schrieb Gilad Denneboom <
[email protected]>:
Is writing the code a part of your thesis, or extracting the
"chapters"?
If
the latter, have you considered doing it with JavaScript in Acrobat
instead
of using Java?
On Sat, Nov 9, 2013 at 10:00 AM, Sera <[email protected]> wrote:
https://www2.swc.rwth-aachen.de/docs/2013_DA_Schmitz.pdf
This would be a sample. It was made with LateX and consists of more
than
one .tex file.
Hope it can help. It's for my bachelor thesis and otherwise I'm lost
:(
BR
Sera
Am 09.11.2013, 09:32 Uhr, schrieb Maruan Sahyoun <
[email protected]>:
Hi Sera,
if the bookmarks do nor relate to pages they can not be taken as a
hint
for splitting.
Is it possible to upload a sample PDF at a public location so we can
take
a look at a sample file. Might give us another idea to handle your
requirement.
BR
Maruan
Am 08.11.2013 um 17:24 schrieb Sera <[email protected]>:
Well then. I've got another idea.
Actually, I don't need the exakt pagenumber, but the pagecount of
each
chapter.
Is it still possible to devide the PDF by it's bookmarks or
would'nt
that work as well?
When I've devided them, I can just make doc.getNumberOfPages().
That
works here.
Am 08.11.2013, 17:19 Uhr, schrieb Gilad Denneboom <
[email protected]>:
Yes, that could very well be the cause...
On Fri, Nov 8, 2013 at 4:51 PM, Sera <[email protected]> wrote:
Could it be a problem of latex?
I'm using it do generate the pdf.
Am 08.11.2013, 16:40 Uhr, schrieb Sera <[email protected]>:
First, thanks for the code!
Unfurtanately, I still get a Nullpointer.
dests.getNames() is null.
Am 04.11.2013, 13:38 Uhr, schrieb Gilad Denneboom <
[email protected]>:
You wrote the following code to do it:
public static int
getPageNumberFromNamedDestination(PDDocument
doc,
String name) throws IOException {
PDDestinationNameTreeNode dests =
doc.getDocumentCatalog().getNames().getDests();
if (dests==null || dests.getNames()==null)
return -1;
Object d = dests.getNames().get(name);
if (d==null)
return -1;
return getPageDestPageNumber(d);
}
public static int getPageDestPageNumber(Object dest) {
if (dest instanceof PDPageFitDestination) {
PDPageFitDestination pageFitDestination =
(PDPageFitDestination) dest;
return pageFitDestination.findPageNumber();
}
if (dest instanceof PDPageXYZDestination) {
PDPageXYZDestination pageXYZDestination =
(PDPageXYZDestination) dest;
return pageXYZDestination.findPageNumber();
}
if (dest instanceof PDPageFitWidthDestination) {
PDPageFitWidthDestination fitWidthDestination =
(PDPageFitWidthDestination) dest;
return fitWidthDestination.findPageNumber();
}
if (dest instanceof PDPageFitHeightDestination) {
PDPageFitHeightDestination fitHeightDestination =
(PDPageFitHeightDestination) dest;
return fitHeightDestination.findPageNumber();
}
if (dest instanceof PDPageFitRectangleDestination) {
PDPageFitRectangleDestination
pageFitRectangleDestination
=
(PDPageFitRectangleDestination) dest;
return pageFitRectangleDestination.findPageNumber();
}
return -1;
}
On Sun, Nov 3, 2013 at 1:39 PM, Sera <[email protected]> wrote:
I've debugged it and it throws an exception.
PDDestinationNameTreeNode node = (PDDestinationNameTreeNode)
document.getDocumentCatalog().getStructureTreeRoot().
getIDTree();
any idea what the correct way is?
Am 01.11.2013, 23:47 Uhr, schrieb Sera <[email protected]>:
is this the right way to get to the treenode?
Am 31.10.2013, 11:28 Uhr, schrieb Gilad Denneboom <
[email protected]>:
If the destination is a PDNamedDestination object, you have
to
cast
it to
that class...
On Thu, Oct 31, 2013 at 11:24 AM, Sera <[email protected]>
wrote:
Do I have to cast Action to another type than ActionGoTo? I
don't
see a
function getNamedDestination() in the suggestions for my
objects.
Am 31.10.2013, 10:45 Uhr, schrieb Gilad Denneboom <
[email protected]>:
Ah, so your bookmarks are not pointing to page locations
directly,
but
to
Named Destinations. This makes things more complex. You can
use
getNamedDestination() to get the name of the ND the
bookmark
is
pointing
to. Of course, then you still need to write a function
that
looks up
that
specific ND in the tree (a PDDestinationNameTreeNode
object)
and
then
figures out to which page it's pointing to by its value.
On Thu, Oct 31, 2013 at 10:35 AM, Sera <[email protected]>
wrote:
when i make it toString() i get:
org.apache.pdfbox.pdmodel.****interactive.****
documentnavigation.**
destination.****PDNamedDestination@505484dc
whereas the last after @ is always different. I think its
the
hashed
destination?
Am 31.10.2013, 10:20 Uhr, schrieb Gilad Denneboom <
[email protected]>:
What do you mean by "hascode", exactly?
On Thu, Oct 31, 2013 at 10:16 AM, Sera
<[email protected]>
wrote:
ok, now I've got the destination as a hashcode. How do I
get
the
pagenumber from this?
Am 30.10.2013, 20:10 Uhr, schrieb Gilad Denneboom <
[email protected]>:
Like I said, you need to determine (using instanceof,
for
example)
which
actual class it is, one of the subsets of PDAction,
like
PDActionGoTo
...
On Wed, Oct 30, 2013 at 7:51 PM, Sera
<[email protected]>
wrote:
current.getAction() is just a PDAction. From there I
don't
have
access
to
getDestination().
Am 30.10.2013, 16:27 Uhr, schrieb Gilad Denneboom <
[email protected]>:
You should get the Action of the bookmark, and then
check
which
type
of
action it is (probably PDActionGoTo), and from the
Action
you'll
have
access to the Destination.
On Wed, Oct 30, 2013 at 4:00 PM, Sera <
[email protected]>
wrote:
Hello!
I need to extract the pagenumber out of the
bookmarks
and
tried
it
with
PDOutlineItem current = bookmark.getFirstChild();
PDDestination destination = null;
destination = current.getDestination();
But the destination stays null. Any ideas on how to
fix
this?
Regards,
Sera
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