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import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.AcroFields;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.GrayColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.TextField;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document(PageSize.A4);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(
"HelloWorldForm.pdf"));
document.open();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI,
BaseFont.NOT_EMBEDDED);
PdfContentByte cb = writer.getDirectContent();
cb.beginText();
cb.setFontAndSize(bf, 12);
cb.moveText(36f, 788);
cb.showText("Hello");
cb.endText();
TextField tf = new TextField(writer, new Rectangle(67, 785, 340, 800),
"Who");
tf.setFontSize(12);
tf.setFont(bf);
tf.setText("Who?");
tf.setTextColor(new GrayColor(0.5f));
writer.addAnnotation(tf.getTextField());
document.close();
PdfReader reader;
PdfStamper stamper;
AcroFields form;
reader = new PdfReader("HelloWorldForm.pdf");
stamper = new PdfStamper(reader, new FileOutputStream(
"HelloWorldFilledInForm.pdf"));
form = stamper.getAcroFields();
form.setField("Who", "World");
stamper.close();
reader = new PdfReader("HelloWorldForm.pdf");
stamper = new PdfStamper(reader, new FileOutputStream(
"HelloWorldFilledInFlattened.pdf"));
form = stamper.getAcroFields();
form.setField("Who", "People");
stamper.setFormFlattening(true);
stamper.close();
}
}
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