[iText-questions] Question regarding populating PDF Form fields....

[USB ITEXT]

Hi,

 

I am using i-Text to read a PDF Form, populate the fields and flatten it before displaying the resultant PDF in the browser. The code is as follows:

 

String urlString = "http://localhost:8080/fdfsample/PDFs/FormTest.pdf";

resp.setContentType("application/vnd.fdf");

PdfReader reader = new PdfReader(new URL(urlString.toString()));

System.out.println("number of pages in pdf : " + reader.getNumberOfPages());

AcroFields afields = reader.getAcroFields();

HashMap fieldsHM = afields.getFields();

System.out.println("number of fields : " + fieldsHM.size());

afields.setField("txtFirstName","FirstName");

 

I am getting the error as below on the line where the field "txtFirstName" is being set:

 

[2/16/04 17:25:30:914 PST] 6a609e03 WebGroup E SRVE0026E: [Servlet Error]-[FDFServlet]: com.lowagie.text.DocumentException: This AcroFields instance is read-only.

at com.lowagie.text.pdf.AcroFields.setField(Unknown Source)

Can anyone help me to figure out the error I am making.

 

Thanks in advance for your help.

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