Thanks for the quick reply, that was pretty much what I needed! I didn't know there was such an example in the source, really appreciate this tip.
On Thu, Jan 5, 2017 at 12:31 PM, Tilman Hausherr <[email protected]> wrote: > Hi, > > Seems you're taking a very low level approach there. Please try the > PrintURLs example from the source code download. > > If this doesn't answer your question, please share the PDF, i.e. upload it > somewhere. > > Re your question about "cosArr.get(i);" > > That can be anything. It gets a bit easier if you do getObject(i), this > will dereference if needed. > > Tilman > > > Am 05.01.2017 um 20:57 schrieb Systema Sephiroticum: > >> I've been tasked with traversing a PDF files for embedded links, i.e. >> anchors added in winword and what have you. Due to different ways URLs can >> be embedded in PDFs, and the variety of nesting levels and ordering, it's >> proving a challenge. >> >> I can see in my IDE the URL that I need to acquire is nested deep in the >> COSBase's basObject property, but baseObject is private, so I can't >> toString() it. To make matters worse, toString() on the COSObject itself >> returns me only the top level object rather than the entire contents--if >> there were a to get the stringified baseObject's contents, I would be done >> with this by now. >> >> My example method is a bit long for email so I put it on pastebin. It's >> compiles, but is borderline-pseudocode so there's no need to look at it >> unless the rest of this email is unclear. >> http://pastebin.com/LvXu0tNh >> >> I'm curious what to do after getting an object from an array as such: >> COSObject obj = (COSObject) cosArr.get(i); >> >> At this point I can see the obj's baseObject, like I said, but to acquire >> it I have to attempt all sorts of casts to COSDictionary, catch the >> ClassCastExceptions and try again, with nullchecks on retrieved objects at >> every step. Am I doing this wrong? I haven't been able to find a pattern >> for this that isn't ugly as sin. If anyone could point me to examples of >> how COSObject.getItem() is supposed to be used in different situations, >> that would be great. >> >> Finally, assuming that there really is no way to avoid all this casting, >> are there any casts with PDFBox that I can be assured will not result in a >> ClassCastException? Specifically, casts to COSArray and COSObject. >> >> Sorry for the haphazard nature of this email, I'm still trying to figure >> out exactly all the things about this that I don't understand. >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
