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https://issues.apache.org/jira/browse/PDFBOX-5439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17539604#comment-17539604
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Maruan Sahyoun commented on PDFBOX-5439:
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The number of form fields you are getting from PDFBox is correct.
A form field in PDF has two kind of related informations
- the field definition (e.g. it's type, name ...) (PDField)
- the visual representation (the location, the font being used, color ...)
(PDAnnotationWidget)
Using the same (fully qualified) name multiple times represents only a single
PDField but with multiple PDAnnotationWidget.
Using PDField.getWidgets() will give you List<PDAnnotationWidget> to inspect.
> Details of form fields with same form field name not getting stored using
> PDAcroform
> ------------------------------------------------------------------------------------
>
> Key: PDFBOX-5439
> URL: https://issues.apache.org/jira/browse/PDFBOX-5439
> Project: PDFBox
> Issue Type: Improvement
> Reporter: Shubham Gupta
> Priority: Major
> Attachments: Expected And Actual Result.docx, sample code.txt
>
>
> Steps to reproduce:
> # Develop a program that will take the PDF in PDDocument and then get the
> Acroform details in PDAcroform now in a list of PDField try to get all the
> fields. (I have attached a sample code for a better understanding of the
> team).
> # Now use a PDF which is having forms and keep two form fields with the same
> name (let's say you are using Adobe Acrobat when you will go to tools and
> then to Forms and then to Edit Form option and when you will click any form
> field TEXT FIELD PROPERTIES will open. Just Go Click on the General tab and
> Keep the two form fields names the same.)
> # Now if the PDF contains in total of 10 form fields, the list the we got
> from pdfbox that we have will be of size 9, This is because PDAcroform is not
> taking those form fields that have the same form field name, they are storing
> only those form fields whose name are unique.
> # This needs to be improved so that a developer using PDFBOX library, which
> is by the way superb, wants to validate those Form Fields which have no
> tooltip and the duplicate form fields are the ones that don't have a tooltip
> but since only one is getting stored he will get the wrong result every time,
> I have given a simple example to make the team understand but this needs to
> be improved.
> Please find the attachment for your reference.
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