Renaming a field
Example that explains how to rename a field.
renamefield
JAVA
JAVA
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
For more information, please contact iText Software at this address:
sales@itextpdf.com
*/
package com.itextpdf.samples.sandbox.acroforms;
import com.itextpdf.forms.fields.PdfFormCreator;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.forms.PdfAcroForm;
import com.itextpdf.forms.fields.PdfFormField;
import java.io.File;
import java.util.Map;
public class RenameField {
public static final String DEST = "./target/sandbox/acroforms/rename_field.pdf";
public static final String SRC = "./src/main/resources/pdfs/subscribe.pdf";
public static void main(String args[]) throws Exception {
File file = new File(DEST);
file.getParentFile().mkdirs();
new RenameField().manipulatePdf(DEST);
}
public void manipulatePdf(String dest) throws Exception {
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfAcroForm form = PdfFormCreator.getAcroForm(pdfDoc, true);
form.renameField("personal.loginname", "login");
pdfDoc.close();
pdfDoc = new PdfDocument(new PdfReader(dest));
form = PdfFormCreator.getAcroForm(pdfDoc, true);
Map<String, PdfFormField> fields = form.getAllFormFields();
// See the renamed field in the console
for (String name : fields.keySet()) {
System.out.println(name);
}
pdfDoc.close();
}
}
C#
C#
using System;
using System.Collections.Generic;
using System.IO;
using iText.Forms;
using iText.Forms.Fields;
using iText.Kernel.Pdf;
namespace iText.Samples.Sandbox.Acroforms
{
public class RenameField
{
public static readonly String DEST = "results/sandbox/acroforms/rename_field.pdf";
public static readonly String SRC = "../../../resources/pdfs/subscribe.pdf";
public static void Main(String[] args)
{
FileInfo file = new FileInfo(DEST);
file.Directory.Create();
new RenameField().ManipulatePdf(DEST);
}
public void ManipulatePdf(String dest)
{
PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
PdfAcroForm form = PdfFormCreator.GetAcroForm(pdfDoc, true);
form.RenameField("personal.loginname", "login");
pdfDoc.Close();
pdfDoc = new PdfDocument(new PdfReader(dest));
form = PdfFormCreator.GetAcroForm(pdfDoc, true);
IDictionary<String, PdfFormField> fields = form.GetAllFormFields();
// See the renamed field in the console
foreach (String name in fields.Keys)
{
Console.WriteLine(name);
}
pdfDoc.Close();
}
}
}