qrscanner.QRScanner.java Source code

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Here is the source code for qrscanner.QRScanner.java

Source

/*
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package qrscanner;

import java.io.*;
import javax.print.*;
import java.nio.file.Paths;
import java.nio.file.Path;
import java.awt.Color;
import java.awt.print.PrinterJob;
import java.io.File;

import javax.print.PrintService;
import javax.print.PrintServiceLookup;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.printing.PDFPageable;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Hashtable;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import java.awt.print.PrinterJob;
import javax.print.PrintService;
import org.apache.log4j.Logger;
import org.apache.pdfbox.pdmodel.PDDocument;
import com.itextpdf.text.Image;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
import java.awt.print.*;

import javax.imageio.ImageIO;
import java.util.Date;
import java.text.SimpleDateFormat;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

public class QRScanner {

    /**
     * @param args
     * @throws WriterException
     * @throws IOException
     */
    public static void main(String[] args) throws Exception, WriterException, IOException, DocumentException {

        Date date = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy h:mm:ss a");
        String formattedDate = sdf.format(date);
        System.out.println(formattedDate);

        String qrCodeText = " 2484  | " + formattedDate;
        //String filePath = "F:\\QR.jpeg";
        int size = 225;
        String fileType = "png";
        ///File qrFile = new File(filePath);
        BufferedImage QRimage = createQRImage(qrCodeText, size, fileType);
        imageToPDF(QRimage, qrCodeText);
        System.out.println("DONE 2");
        printPDF();

    }

    private static BufferedImage createQRImage(String qrCodeText, int size, String fileType)
            throws WriterException, IOException {
        // Create the ByteMatrix for the QR-Code that encodes the given String
        Hashtable hintMap = new Hashtable();
        hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix byteMatrix = qrCodeWriter.encode(qrCodeText, BarcodeFormat.QR_CODE, size, size, hintMap);
        // Make the BufferedImage that are to hold the QRCode
        int matrixWidth = byteMatrix.getWidth();
        BufferedImage image = new BufferedImage(matrixWidth, matrixWidth, BufferedImage.TYPE_INT_RGB);
        image.createGraphics();

        Graphics2D graphics = (Graphics2D) image.getGraphics();
        graphics.setColor(Color.WHITE);
        graphics.fillRect(0, 0, matrixWidth, matrixWidth);
        // Paint and save the image using the ByteMatrix
        graphics.setColor(Color.BLACK);

        for (int i = 0; i < matrixWidth; i++) {
            for (int j = 0; j < matrixWidth; j++) {
                if (byteMatrix.get(i, j)) {
                    graphics.fillRect(i, j, 1, 1);
                }
            }
        }
        //ImageIO.write(image, fileType, qrFile);
        return image;
    }

    private static void imageToPDF(BufferedImage qrimg, String qrtext)
            throws DocumentException, MalformedURLException, IOException {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(qrimg, "png", baos);
        Image iTextImage = Image.getInstance(baos.toByteArray());
        //  iTextImage.setAbsolutePosition(50f, 10f);
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream("QRscannedpdf.pdf"));
        document.open();
        document.add(new Paragraph("Parking Ticket:- "));
        document.add(new Paragraph(qrtext));
        document.add(iTextImage);
        document.add(new Paragraph("--** Thank you for visiting us **--"));
        document.close();

        //document.
        System.out.println("Done 1");

    }

    //private static Logger log = Logger.getLogger(QRScanner.class);

    public static void printPDF() throws Exception {
        //printPDF("ZJ-58",pdfPath);

        Path currentRelativePath = Paths.get("");
        String pdfPath = currentRelativePath.toAbsolutePath().toString() + "\\QRscannedpdf.pdf";

        System.out.println("Current relative path is: " + pdfPath);

        PDDocument document = PDDocument.load(new File(pdfPath));

        PrintService myPrintService = findPrintService("ZJ-58");

        PrinterJob job = PrinterJob.getPrinterJob();
        job.setPageable(new PDFPageable(document));
        job.setPrintService(myPrintService);
        job.print();

    }

    private static PrintService findPrintService(String printerName) {
        PrintService[] printServices = PrintServiceLookup.lookupPrintServices(null, null);
        for (PrintService printService : printServices) {
            if (printService.getName().trim().equals(printerName)) {
                return printService;
            }
        }
        return null;
    }

}