usr src wrote:
> Hi,
> 
> *How to read the header and footer from each page of the pdf file.

This might be possible if the PDF is tagged.
Otherwise: not obvious, and not with iText.

> *How to segregate pages into different chapters ?
>        i.e 'contents', 'chapter 1' chapter 2' .... 'index' etc.
>        contents -- start page and end page ?

For existing PDFs, this might be possible if
the PDF is tagged. Otherwise: not obvious,
and not with iText.

> *How to detect a blank page in a pdf file?

The problem starts with the definition of a
blank page. Is a white scanned page added to
a PDF document a blank page? Pages that appear
to be blank when viewed in Adobe Reader may
contain invisible objects that make it difficult
to evaluate if the page is blank.

> *How to find change bars in the pdf file ?

PDF is not word processing format.
It's not suited for editing text.
Therefore you won't find any change bars in a PDF file.

> Thanks n Regards

All the questions posted in the original mail
start from the wrong assumptions: namely that
PDF is a document format such as RTF or Word.

That isn't the case. PDF is used in a completely different
context, for completely different reasons. I suggest that
the OP does some reading about the Portable Document Format
first, then it will soon become very clear that (s)he won't
find any easy answer to these questions.

best regards,
Bruno

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