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Posted to users@pdfbox.apache.org by Gilad Denneboom <gi...@gmail.com> on 2012/03/11 22:32:15 UTC
Duplicating an existing link annotation
Hi all,
I'm trying to duplicate an existing link annotation (PDAnnotationLink) from
one page to others. I'm using this code:
private static PDAnnotationLink duplicateLink(PDAnnotationLink link,
PDPage page) {
PDAnnotationLink newLink = new PDAnnotationLink();
newLink.setAction(link.getAction());
newLink.setColour(link.getColour());
newLink.setRectangle(link.getRectangle());
newLink.setAppearance(link.getAppearance());
newLink.setAppearanceStream(link.getAppearanceStream());
newLink.setHighlightMode(link.getHighlightMode());
newLink.setAnnotationFlags(link.getAnnotationFlags());
newLink.setBorderStyle(link.getBorderStyle());
newLink.setPage(page);
return newLink;
}
This works when I run the tool on a file I've created and added some links
to. HOWEVER, if I then run the result file through the same code, the
following Exception is thrown:
Exception in thread "main" java.lang.ClassCastException:
org.apache.pdfbox.cos.COSObject cannot be cast to
org.apache.pdfbox.cos.COSDictionary
at
org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink.getBorderStyle(PDAnnotationLink.java:131)
Since this is a RunTimeException I can't even catch it and my application
fails... Any help with this will be appreciated.
Am I creating the new link in an incorrect way?
Thanks in advance, Gilad.
Re: Duplicating an existing link annotation
Posted by Michel Onwordi <mo...@polytechnic.edu.na>.
Please stop sending me mail
On Wed, 14 Mar 2012 17:55:07 -0400
"Sheila M. Morrissey" <Sh...@ithaka.org> wrote:
> I wonder if the PDBorderStyleDictionary didn't end up serialized as
>an indirect object --
> Maybe something like the following would work:
>
> PDBorderStyleDictionary bsd = null;
> COSObjectable cob = newLink.getBorderStyle();
> if (cob instanceof COSObject){
> COSObject cos = (COSObject)cob;
> COSBase base = cos.getObject();
> if (base instanceof PDBorderStyleDictionary){
> bsd = (PDBorderStyleDictionary) base;
> }
> }
> else if (cob instanceof PDBorderStyleDictionary){
> bsd = PDBorderStyleDictionary cob;
> }
> If (bsd != null){
> // off you go
> }
> else {
> // hmmm.. what happened to my dictionary?
> }
>
> Sheila
>
>
> -----Original Message-----
>From: Gilad Denneboom [mailto:gilad.denneboom@gmail.com]
> Sent: Sunday, March 11, 2012 5:32 PM
> To: users@pdfbox.apache.org
> Subject: Duplicating an existing link annotation
>
> Hi all,
>
> I'm trying to duplicate an existing link annotation
>(PDAnnotationLink) from
> one page to others. I'm using this code:
>
> private static PDAnnotationLink duplicateLink(PDAnnotationLink
>link,
> PDPage page) {
> PDAnnotationLink newLink = new PDAnnotationLink();
> newLink.setAction(link.getAction());
> newLink.setColour(link.getColour());
> newLink.setRectangle(link.getRectangle());
> newLink.setAppearance(link.getAppearance());
> newLink.setAppearanceStream(link.getAppearanceStream());
> newLink.setHighlightMode(link.getHighlightMode());
> newLink.setAnnotationFlags(link.getAnnotationFlags());
> newLink.setBorderStyle(link.getBorderStyle());
> newLink.setPage(page);
> return newLink;
> }
>
> This works when I run the tool on a file I've created and added some
>links
> to. HOWEVER, if I then run the result file through the same code,
>the
> following Exception is thrown:
> Exception in thread "main" java.lang.ClassCastException:
> org.apache.pdfbox.cos.COSObject cannot be cast to
> org.apache.pdfbox.cos.COSDictionary
> at
> org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink.getBorderStyle(PDAnnotationLink.java:131)
>
> Since this is a RunTimeException I can't even catch it and my
>application
> fails... Any help with this will be appreciated.
> Am I creating the new link in an incorrect way?
>
> Thanks in advance, Gilad.
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RE: Duplicating an existing link annotation
Posted by "Sheila M. Morrissey" <Sh...@ithaka.org>.
Reply at haste, repent at leisure-should look more like this:
PDAnnotationLink newLink = new PDAnnotationLink();
PDBorderStyleDictionary bsd = null;
Object cob = newLink.getBorderStyle();
if (cob instanceof COSObject){
COSObject cos = (COSObject)cob;
COSBase base = cos.getObject();
if (base instanceof COSDictionary){
COSDictionary dic = (COSDictionary)base;
Set<COSName> keys = dic.keySet();
bsd = new PDBorderStyleDictionary(dic);
// or bsd = (PDBorderStyleDictionary) cob;
}
}
else if (cob instanceof PDBorderStyleDictionary){
bsd = (PDBorderStyleDictionary)cob;
}
if (bsd != null){
// off you go
}
else {
// hmmm.. what happened to my dictionary?
}
I do think it might be a good idea to refactor the PDAnnotationLink.getBorderStyle() method so that when it retrieves the dictionary object for border style, it not assume it gets a direct object back - then, when we use the PDModel code, we'd know the lower level stuff has been handled -
smm
From: Gilad Denneboom [mailto:gilad.denneboom@gmail.com]
Sent: Thursday, March 15, 2012 5:12 AM
To: Sheila M. Morrissey
Cc: users@pdfbox.apache.org
Subject: Re: Duplicating an existing link annotation
Hi Sheila,
Thanks for the input... However, this code doesn't compile.
This line:
if (base instanceof PDBorderStyleDictionary){
Produces the following compilation error:
Incompatible conditional operand types COSBase and PDBorderStyleDictionary
Any ideas on how this can be solved?
Thanks again, Gilad.
On Wed, Mar 14, 2012 at 10:55 PM, Sheila M. Morrissey <Sh...@ithaka.org>> wrote:
I wonder if the PDBorderStyleDictionary didn't end up serialized as an indirect object --
Maybe something like the following would work:
PDBorderStyleDictionary bsd = null;
COSObjectable cob = newLink.getBorderStyle();
if (cob instanceof COSObject){
COSObject cos = (COSObject)cob;
COSBase base = cos.getObject();
if (base instanceof PDBorderStyleDictionary){
bsd = (PDBorderStyleDictionary) base;
}
}
else if (cob instanceof PDBorderStyleDictionary){
bsd = PDBorderStyleDictionary cob;
}
If (bsd != null){
// off you go
}
else {
// hmmm.. what happened to my dictionary?
}
Sheila
-----Original Message-----
From: Gilad Denneboom [mailto:gilad.denneboom@gmail.com<ma...@gmail.com>]
Sent: Sunday, March 11, 2012 5:32 PM
To: users@pdfbox.apache.org<ma...@pdfbox.apache.org>
Subject: Duplicating an existing link annotation
Hi all,
I'm trying to duplicate an existing link annotation (PDAnnotationLink) from
one page to others. I'm using this code:
private static PDAnnotationLink duplicateLink(PDAnnotationLink link,
PDPage page) {
PDAnnotationLink newLink = new PDAnnotationLink();
newLink.setAction(link.getAction());
newLink.setColour(link.getColour());
newLink.setRectangle(link.getRectangle());
newLink.setAppearance(link.getAppearance());
newLink.setAppearanceStream(link.getAppearanceStream());
newLink.setHighlightMode(link.getHighlightMode());
newLink.setAnnotationFlags(link.getAnnotationFlags());
newLink.setBorderStyle(link.getBorderStyle());
newLink.setPage(page);
return newLink;
}
This works when I run the tool on a file I've created and added some links
to. HOWEVER, if I then run the result file through the same code, the
following Exception is thrown:
Exception in thread "main" java.lang.ClassCastException:
org.apache.pdfbox.cos.COSObject cannot be cast to
org.apache.pdfbox.cos.COSDictionary
at
org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink.getBorderStyle(PDAnnotationLink.java:131)
Since this is a RunTimeException I can't even catch it and my application
fails... Any help with this will be appreciated.
Am I creating the new link in an incorrect way?
Thanks in advance, Gilad.
Re: Duplicating an existing link annotation
Posted by Gilad Denneboom <gi...@gmail.com>.
Hi Sheila,
Thanks for the input... However, this code doesn't compile.
This line:
if (base instanceof PDBorderStyleDictionary){
Produces the following compilation error:
Incompatible conditional operand types COSBase and PDBorderStyleDictionary
Any ideas on how this can be solved?
Thanks again, Gilad.
On Wed, Mar 14, 2012 at 10:55 PM, Sheila M. Morrissey <
Sheila.Morrissey@ithaka.org> wrote:
> I wonder if the PDBorderStyleDictionary didn't end up serialized as an
> indirect object --
> Maybe something like the following would work:
>
> PDBorderStyleDictionary bsd = null;
> COSObjectable cob = newLink.getBorderStyle();
> if (cob instanceof COSObject){
> COSObject cos = (COSObject)cob;
> COSBase base = cos.getObject();
> if (base instanceof PDBorderStyleDictionary){
> bsd = (PDBorderStyleDictionary) base;
> }
> }
> else if (cob instanceof PDBorderStyleDictionary){
> bsd = PDBorderStyleDictionary cob;
> }
> If (bsd != null){
> // off you go
> }
> else {
> // hmmm.. what happened to my dictionary?
> }
>
> Sheila
>
>
> -----Original Message-----
> From: Gilad Denneboom [mailto:gilad.denneboom@gmail.com]
> Sent: Sunday, March 11, 2012 5:32 PM
> To: users@pdfbox.apache.org
> Subject: Duplicating an existing link annotation
>
> Hi all,
>
> I'm trying to duplicate an existing link annotation (PDAnnotationLink) from
> one page to others. I'm using this code:
>
> private static PDAnnotationLink duplicateLink(PDAnnotationLink link,
> PDPage page) {
> PDAnnotationLink newLink = new PDAnnotationLink();
> newLink.setAction(link.getAction());
> newLink.setColour(link.getColour());
> newLink.setRectangle(link.getRectangle());
> newLink.setAppearance(link.getAppearance());
> newLink.setAppearanceStream(link.getAppearanceStream());
> newLink.setHighlightMode(link.getHighlightMode());
> newLink.setAnnotationFlags(link.getAnnotationFlags());
> newLink.setBorderStyle(link.getBorderStyle());
> newLink.setPage(page);
> return newLink;
> }
>
> This works when I run the tool on a file I've created and added some links
> to. HOWEVER, if I then run the result file through the same code, the
> following Exception is thrown:
> Exception in thread "main" java.lang.ClassCastException:
> org.apache.pdfbox.cos.COSObject cannot be cast to
> org.apache.pdfbox.cos.COSDictionary
> at
>
> org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink.getBorderStyle(PDAnnotationLink.java:131)
>
> Since this is a RunTimeException I can't even catch it and my application
> fails... Any help with this will be appreciated.
> Am I creating the new link in an incorrect way?
>
> Thanks in advance, Gilad.
>
RE: Duplicating an existing link annotation
Posted by "Sheila M. Morrissey" <Sh...@ithaka.org>.
I wonder if the PDBorderStyleDictionary didn't end up serialized as an indirect object --
Maybe something like the following would work:
PDBorderStyleDictionary bsd = null;
COSObjectable cob = newLink.getBorderStyle();
if (cob instanceof COSObject){
COSObject cos = (COSObject)cob;
COSBase base = cos.getObject();
if (base instanceof PDBorderStyleDictionary){
bsd = (PDBorderStyleDictionary) base;
}
}
else if (cob instanceof PDBorderStyleDictionary){
bsd = PDBorderStyleDictionary cob;
}
If (bsd != null){
// off you go
}
else {
// hmmm.. what happened to my dictionary?
}
Sheila
-----Original Message-----
From: Gilad Denneboom [mailto:gilad.denneboom@gmail.com]
Sent: Sunday, March 11, 2012 5:32 PM
To: users@pdfbox.apache.org
Subject: Duplicating an existing link annotation
Hi all,
I'm trying to duplicate an existing link annotation (PDAnnotationLink) from
one page to others. I'm using this code:
private static PDAnnotationLink duplicateLink(PDAnnotationLink link,
PDPage page) {
PDAnnotationLink newLink = new PDAnnotationLink();
newLink.setAction(link.getAction());
newLink.setColour(link.getColour());
newLink.setRectangle(link.getRectangle());
newLink.setAppearance(link.getAppearance());
newLink.setAppearanceStream(link.getAppearanceStream());
newLink.setHighlightMode(link.getHighlightMode());
newLink.setAnnotationFlags(link.getAnnotationFlags());
newLink.setBorderStyle(link.getBorderStyle());
newLink.setPage(page);
return newLink;
}
This works when I run the tool on a file I've created and added some links
to. HOWEVER, if I then run the result file through the same code, the
following Exception is thrown:
Exception in thread "main" java.lang.ClassCastException:
org.apache.pdfbox.cos.COSObject cannot be cast to
org.apache.pdfbox.cos.COSDictionary
at
org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink.getBorderStyle(PDAnnotationLink.java:131)
Since this is a RunTimeException I can't even catch it and my application
fails... Any help with this will be appreciated.
Am I creating the new link in an incorrect way?
Thanks in advance, Gilad.