Subversion Repositories SmartDukaan

package in.shop2020.dtrapi.utils;

import in.shop2020.dtrapi.Storage.Mongo;

import java.io.OutputStream;

import java.lang.reflect.Type;

import java.util.HashMap;

import java.util.Map;

import com.google.gson.Gson;

import com.google.gson.reflect.TypeToken;

import com.itextpdf.text.Document;

import com.itextpdf.text.Element;

import com.itextpdf.text.Font;

import com.itextpdf.text.Image;

import com.itextpdf.text.Paragraph;

import com.itextpdf.text.pdf.PdfContentByte;

import com.itextpdf.text.pdf.PdfImportedPage;

import com.itextpdf.text.pdf.PdfPCell;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfReader;

import com.itextpdf.text.pdf.PdfWriter;

public class PdfGenerator {

	private static final Map<String, String> titles = new HashMap<String, String>();

	static{

		titles.put("bEntityDoc", "Business Document");

		titles.put("gstDoc", "GST Doc");

		titles.put("panDoc", "Pan Doc");

		titles.put("itrDoc", "ITR DOC");

		titles.put("angleDoc1", "Angle Doc1");

		titles.put("angleDoc2", "Angle Doc2");

		titles.put("angleDoc3", "Angle Doc3");

		titles.put("angleDoc4", "Angle Doc4");

		titles.put("angleDoc5", "Angle Doc5");

		titles.put("ownershipDoc", "OwnerShip Doc");

		titles.put("chequeCopy", "Cheque");

		titles.put("insuranceDoc", "Insurance Doc");

		titles.put("loanDoc", "Loan Doc");

		titles.put("sanctionDoc", "Sanction Doc");

	}

	private static final Font FONT_TITLE = new Font(Font.FontFamily.HELVETICA  , 18, Font.BOLD);

	private static Font FONT_BOLD = new Font(Font.FontFamily.TIMES_ROMAN, 10, Font.BOLD);

	public static void generateAndWrite(OutputStream outputStream, int fofoId) throws Exception{

		//String responseString = HttpClientUtil.doGet("localhost:8080", fofoId);

        Document document = new Document();

        PdfWriter pdfWriter = PdfWriter.getInstance(document, outputStream);

        document.open();

        PdfContentByte cb = pdfWriter.getDirectContent();

        String jsonString = Mongo.getFofoFormJsonStringByFofoId(fofoId);

        Map<String, String> titlePathMap = new HashMap<String, String>();

        Type stringStringMap = new TypeToken<Map<String, String>>(){}.getType();

        Gson gson = new Gson();

        Map<String, String> map = gson.fromJson(jsonString, stringStringMap);

        Paragraph paragraphTitle = new Paragraph(map.get("registeredBusinessName"), FONT_TITLE);

        paragraphTitle.setAlignment(Element.ALIGN_CENTER);

        document.add(paragraphTitle);

        System.out.println(map);

        for(String key : map.keySet()){

        	String value = map.get(key).toString();

        	if(value.startsWith("/hsps-docs/")){

        		titlePathMap.put(titles.get(key), value);

        	}

        }

        PdfPTable table = new PdfPTable(1);

        PdfPCell title;

        PdfPTable innerTable;

        for(Map.Entry<String, String> entry : titlePathMap.entrySet()){

        	Image image = null;

        	try {

        		image = Image.getInstance(entry.getValue());

        	} catch (Exception e) {

        		e.printStackTrace();

        		PdfReader reader = new PdfReader(entry.getValue());

        		for (int i=1; i<=reader.getNumberOfPages(); i++){

        			PdfImportedPage page = pdfWriter.getImportedPage(reader, i);

        			cb.addTemplate(page, 0, 0);

        			document.newPage();

        		}

        		continue;

        	}

        	innerTable = new PdfPTable(1);

        	float scaler = (Math.min((document.getPageSize().getWidth()) / image.getWidth(), 1)) * 100;

        	title = new PdfPCell(new Paragraph(entry.getKey(), FONT_BOLD));

        	title.setHorizontalAlignment(Element.ALIGN_CENTER);

        	innerTable.addCell(title);

        	image.scalePercent(scaler);

        	innerTable.addCell(image);

        	table.addCell(innerTable);

        }

        document.add(table);

        document.close();

	}

}