questions.stamppages.StampAndAddColumns.java Source code

Introduction

Here is the source code for questions.stamppages.StampAndAddColumns.java

Source

/*
 * This example was written by Bruno Lowagie, author of the book
 * 'iText in Action' by Manning Publications (ISBN: 1932394796).
 * You can use this example as inspiration for your own applications.
 * The following license applies:
 * http://www.1t3xt.com/about/copyright/index.php?page=MIT
 */

package questions.stamppages;

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;

import com.lowagie.text.DocumentException;
import com.lowagie.text.Phrase;
import com.lowagie.text.pdf.AcroFields;
import com.lowagie.text.pdf.ColumnText;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;

public class StampAndAddColumns {

    public static final String RESOURCE = "resources/questions/forms/hello_who.pdf";
    public static final String TXT = "resources/questions/txt/caesar.txt";
    public static final String RESULT = "results/questions/stamppages/stamp_columns.pdf";

    public static void main(String[] args) {
        try {
            PdfReader reader = new PdfReader(RESOURCE);
            PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
            AcroFields form = stamper.getAcroFields();
            form.setField("Who", "world");
            ColumnText ct = new ColumnText(stamper.getOverContent(1));
            String line;
            Phrase p;
            BufferedReader br = new BufferedReader(new FileReader(TXT));
            while ((line = br.readLine()) != null) {
                p = new Phrase(line + "\n");
                ct.addText(p);
            }
            int status = ColumnText.START_COLUMN;
            ct.setSimpleColumn(100, 700, 495, 100);
            status = ct.go();
            int pageCt = 1;
            while (ColumnText.hasMoreText(status)) {
                stamper.insertPage(++pageCt, reader.getPageSize(1));
                ct.setYLine(700);
                ct.setCanvas(stamper.getOverContent(pageCt));
                status = ct.go();
            }
            stamper.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (DocumentException e) {
            e.printStackTrace();
        }
    }
}