Subversion Repositories SmartDukaan

package in.shop2020.inventory.service;

import in.shop2020.model.v1.catalog.Item;

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.utils.ModelUtils;

import java.awt.image.BufferedImage;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import org.krysalis.barcode4j.impl.code39.Code39Bean;

import org.krysalis.barcode4j.impl.upcean.EAN13Bean;

import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;

import org.krysalis.barcode4j.tools.UnitConv;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import com.itextpdf.text.Document;

import com.itextpdf.text.Element;

import com.itextpdf.text.Image;

import com.itextpdf.text.Rectangle;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfWriter;

public class ProductLabelGenerator{

	private static Logger logger = LoggerFactory

    .getLogger(ProductLabelGenerator.class);

	public static ByteArrayOutputStream generatePdfLabelSheet(String itemId, String itemNumber) throws IOException{

		ByteArrayOutputStream baosPDF = null;

		try {

			CatalogClient cClient = new CatalogClient();

	        in.shop2020.model.v1.catalog.CatalogService.Client catalogClient = cClient.getClient();

	        Item item = catalogClient.getItem(Long.parseLong(itemId));

        	baosPDF = new ByteArrayOutputStream();

            Document document = new Document();

            PdfWriter.getInstance(document, baosPDF);

            document.addAuthor("shop2020");

            document.addTitle("Label for item: "

                    + itemId);

            document.open();

            PdfPTable poTable = new PdfPTable(new float[] { 0.3f, 0.05f, 0.3f, 0.05f, 0.3f});

            poTable.getDefaultCell().setBorder(Rectangle.NO_BORDER);

            poTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);

            generateBarcode(ModelUtils.extractProductNameFromItem(item), "item_name_"+itemId, 6.0f);

            generateEanBarcode(itemNumber, "item_number"+itemId, 1.0f);

            Image itemNameImage=null;

			try {

				itemNameImage = Image.getInstance("/tmp/"+"item_name_"+itemId+".png");

			} catch (Exception e) {

				logger.error("Exception during getting Iten Name Image : ", e);

			}

			Image itemNumberImage=null;

			try {

				itemNumberImage = Image.getInstance("/tmp/"+"item_number"+itemId+".jpg");

			} catch (Exception e) {

				logger.error("Exception during getting Iten Name Image : ", e);

			}

			for(int i=1;i<8;i++){

				for(int j=1; j<=5; j++){

					if(j%2==0){

						poTable.addCell(" ");

					}else{

						PdfPTable poSubTable = new PdfPTable(1);

						poSubTable.getDefaultCell().setBorder(Rectangle.NO_BORDER);

						poSubTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);

						poSubTable.setSpacingAfter(2.0f);

						poSubTable.addCell(itemNameImage);

						poSubTable.addCell(itemNumberImage);

						poTable.addCell(poSubTable);

					}

				}

				poTable.addCell("-------------------------");

				poTable.addCell(" ");

				poTable.addCell("-------------------------");

				poTable.addCell(" ");

				poTable.addCell("-------------------------");

			}

            document.add(poTable);

            document.close();

            baosPDF.close();

        } catch (Exception e) {

            logger.error("Error while generating Invoice: ", e);

            e.printStackTrace();

        }

		String tmpDir = System.getProperty("java.io.tmpdir");

        String filename = tmpDir + "/item-" + itemId +"-" +System.currentTimeMillis() + ".pdf";

        File f = new File(filename);

        FileOutputStream fos = new FileOutputStream(f);

        baosPDF.writeTo(fos);

        return baosPDF;

	}

	/*

	public static void main(String[] args) throws IOException{

		ByteArrayOutputStream baosPDF = null;

		long itemId = 18267L;

        try {

        	baosPDF = new ByteArrayOutputStream();

            Document document = new Document();

            PdfWriter.getInstance(document, baosPDF);

            document.addAuthor("shop2020");

            document.addTitle("Label for item: "

                    + itemId);

            document.open();

            PdfPTable poTable = new PdfPTable(new float[] { 0.3f, 0.05f, 0.3f, 0.05f, 0.3f});

            poTable.getDefaultCell().setBorder(Rectangle.NO_BORDER);

            poTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);

            generateBarcode("Spice Mi -3330 Champ 1800 black", "item_name_"+itemId, 6.0f);

            generateEanBarcode("8906050994080", "item_number"+itemId, 1.0f);

            Image itemNameImage=null;

			try {

				itemNameImage = Image.getInstance("/tmp/"+"item_name_"+itemId+".png");

			} catch (Exception e) {

				logger.error("Exception during getting Iten Name Image : ", e);

			}

			Image itemNumberImage=null;

			try {

				itemNumberImage = Image.getInstance("/tmp/"+"item_number"+itemId+".jpg");

			} catch (Exception e) {

				logger.error("Exception during getting Iten Name Image : ", e);

			}

			for(int i=1;i<8;i++){

				for(int j=1; j<=5; j++){

					if(j%2==0){

						poTable.addCell(" ");

					}else{

						PdfPTable poSubTable = new PdfPTable(1);

						poSubTable.getDefaultCell().setBorder(Rectangle.NO_BORDER);

						poSubTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);

						poSubTable.setSpacingAfter(2.0f);

						poSubTable.addCell(itemNameImage);

						poSubTable.addCell(itemNumberImage);

						poTable.addCell(poSubTable);

					}

				}

				poTable.addCell("-------------------------");

				poTable.addCell(" ");

				poTable.addCell("-------------------------");

				poTable.addCell(" ");

				poTable.addCell("-------------------------");

			}

            document.add(poTable);

            document.close();

            baosPDF.close();

        } catch (Exception e) {

            logger.error("Error while generating Invoice: ", e);

            e.printStackTrace();

        }

        String tmpDir = System.getProperty("java.io.tmpdir");

        String filename = tmpDir + "/item-" + itemId +"-" +System.currentTimeMillis() + ".pdf";

        File f = new File(filename);

        FileOutputStream fos = new FileOutputStream(f);

        baosPDF.writeTo(fos);

	}*/

	public static void generateBarcode(String barcodeString, String fileName, double fontSize){

		Code39Bean bean = new Code39Bean();

		final int dpi = 70;

		//Configure the barcode generator

		bean.setModuleWidth(UnitConv.in2mm(1.0f / dpi)); //makes the narrow bar 

		                                                 //width exactly one pixel

		bean.setFontSize(bean.getFontSize()+fontSize);

		bean.doQuietZone(false);

		try {

			File outputFile = new File("/tmp/"+fileName+".png");

			OutputStream out = new FileOutputStream(outputFile);

		    //Set up the canvas provider for monochrome PNG output 

		    BitmapCanvasProvider canvas = new BitmapCanvasProvider(

		            out, "image/x-png", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);

		    //Generate the barcode

		    bean.generateBarcode(canvas, barcodeString);

		    //Signal end of generation

		    canvas.finish();

		    out.close();

		} 

		catch(Exception e){

			logger.error("Exception during generating Barcode : ", e);

		}

	}

	public static void generateEanBarcode(String barcodeString, String fileName, double fontSize){		

			EAN13Bean bean = new EAN13Bean(); // EAN-13 barcode

			final int dpi = 140; // dots per inch

			bean.setModuleWidth(UnitConv.in2mm(1.0f / (dpi/2) )); // one bar (module) width

			bean.setHeight(20); // barcode height

			bean.doQuietZone(true); // white padding

			try {

				File outputFile = new File("/tmp/"+fileName+".jpg"); // output file

				OutputStream out = new FileOutputStream(outputFile); // output stream

				// bitmap canvas for the barcode

				BitmapCanvasProvider canvas = new BitmapCanvasProvider( out, "image/jpeg", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);

				// barcode generator method

				bean.generateBarcode(canvas, barcodeString);

				// end of barcode generation

				canvas.finish();

				out.close();

			} catch(Exception e){

				logger.error("Exception during generating Barcode : ", e);

			}

	}

}