PDF.PDFDateStamp.java Source code

Introduction

Here is the source code for PDF.PDFDateStamp.java

Source

/*
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 */
package PDF;

import java.io.IOException;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.List;
import javax.swing.JOptionPane;
import org.apache.pdfbox.exceptions.COSVisitorException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import Utilities.GlobalVar;

/**
 *
 * @author bob
 */
public class PDFDateStamp {
    private String DATE = null;

    public PDFDateStamp(String fileName, String ADSNname) throws IOException, COSVisitorException {
        DATE = JOptionPane.showInputDialog(null, "Please enter a date stamp date if other than today.");
        System.out.println("pdfDateStamp.java: Date given is " + DATE);
        if (DATE == null || DATE.equalsIgnoreCase("")) {
            GregorianCalendar today = new GregorianCalendar();
            DATE = today.getTime().toString();
        } else {
            DATE = "Received on " + DATE + " " + ADSNname + " DMPO";
        }
        generatePDFFile(fileName);
    }

    public void generatePDFFile(String pdfFileName) throws IOException, COSVisitorException {

        PDDocument pdf = PDDocument.load(pdfFileName);

        List pages = pdf.getDocumentCatalog().getAllPages();
        Iterator<PDPage> iter = pages.iterator();

        while (iter.hasNext()) {
            PDPage page = iter.next();
            PDPageContentStream stream = new PDPageContentStream(pdf, page, true, false);

            // == date stamp
            stream.beginText();
            stream.setFont(PDType1Font.HELVETICA, GlobalVar.DATE_STAMP_FONT_SIZE);
            stream.moveTextPositionByAmount(GlobalVar.DATE_STAMP_X_POSITION, GlobalVar.DATE_STAMP_Y_POSITION);
            stream.drawString(DATE); //date stamp 
            stream.endText();
            // end of date stamp

            stream.close();

        }
        // out put two pdf files: one for audit, the other for reject
        pdfFileName = pdfFileName.replace(".pdf", "_DateStamped.pdf");
        pdf.save(pdfFileName);

        pdf.close();
    }

}