Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package src.servlets; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.itextpdf.text.BaseColor; import com.itextpdf.text.Chunk; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Font; import com.itextpdf.text.Image; import com.itextpdf.text.ListItem; import com.itextpdf.text.Phrase; import com.itextpdf.text.Rectangle; import com.itextpdf.text.pdf.PdfContentByte; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter; import java.awt.Color; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.util.List; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import javax.servlet.ServletContext; import javax.servlet.annotation.HttpConstraint; import javax.servlet.annotation.ServletSecurity; import src.db.PropertiesDB; import src.entities.Properties; /** * * @author Darren */ @ServletSecurity(@HttpConstraint(rolesAllowed = { "admin" })) public class ManageAdmin extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> * methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); try (PrintWriter out = response.getWriter()) { /* TODO output your page here. You may use following sample code. */ out.println("<!DOCTYPE html>"); out.println("<html>"); out.println("<head>"); out.println("<title>Servlet ManagePDF</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Servlet ManagePDF at " + request.getContextPath() + "</h1>"); out.println("</body>"); out.println("</html>"); } } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Map m = request.getParameterMap(); if (m.containsKey("GetPDF")) { try { String Report = getServletContext().getRealPath("") + "admin\\PDF_Report.pdf"; FileOutputStream file = new FileOutputStream(Report); Document document = new Document(); document.addAuthor("K00140908"); PdfWriter.getInstance(document, file); ///////////////////////ADDING THE FILES TO PDF//////////////////// //Inserting Image in PDF String uploadPath = getServletContext().getRealPath("") + "images\\logo.gif"; Image img = Image.getInstance(uploadPath); img.scaleAbsolute(120f, 60f);// width,height of image in float // Inserting Title in PDF ORIGINAL // Font fontTitle=new Font(Font.FontFamily.HELVETICA, 16, Font.BOLD, BaseColor.WHITE); // Chunk title=new Chunk("PDF GENERATION in Java with iText", fontTitle); // title.setBackground(new BaseColor(255,102,0), 1f, 1f, 1f, 3f); // title.setLineHeight(30f); // title.setUnderline(BaseColor.BLACK,5f,0.5f,2f,0.5f,PdfContentByte.LINE_CAP_ROUND); Font fontTitle = new Font(Font.FontFamily.HELVETICA, 16, Font.BOLD, BaseColor.BLACK); Chunk title = new Chunk("Lit Realty System Report", fontTitle); title.setLineHeight(30f); //Inserting Table in PDF PdfPTable table = new PdfPTable(3); table.setWidthPercentage(100); // Sets the width percentage that the table will occupy in the page table.setSpacingAfter(10f); table.setSpacingBefore(15f); table.setWidths(new float[] { 2f, 2f, 2f }); // Sets relative width of table Font fontHeader = new Font(Font.FontFamily.HELVETICA, 15, Font.BOLD, BaseColor.BLUE); PdfPCell headercell = new PdfPCell(new Phrase("Property Photo", fontHeader)); // Creates new cell in table headercell.setBackgroundColor(new BaseColor(230, 230, 243)); headercell.setPaddingBottom(5f); table.addCell(headercell); headercell = new PdfPCell(new Phrase("Property ID", fontHeader)); headercell.setBackgroundColor(new BaseColor(233, 233, 233)); headercell.setPaddingBottom(5f); table.addCell(headercell); headercell = new PdfPCell(new Phrase("Price", fontHeader)); headercell.setBackgroundColor(new BaseColor(233, 233, 233)); headercell.setPaddingBottom(5f); table.addCell(headercell); PdfPCell cell1 = new PdfPCell(img, false); table.addCell(cell1); table.addCell("134000"); table.addCell("213445"); table.addCell("134000"); //Inserting List com.itextpdf.text.List list = new com.itextpdf.text.List(true, 30); list.add(new ListItem("Example1")); list.add(new ListItem("Example2")); list.add(new ListItem("Example3")); //Adding elements into PDF Document document.open(); document.add(img); document.add(title); document.add(Chunk.NEWLINE); document.add(table); document.newPage(); document.add(new Chunk("List of Examples").setUnderline(+1f, -5f)); document.add(list); document.newPage(); document.add(new Chunk("List of Examples").setUnderline(+1f, -5f)); document.add(list); document.newPage(); document.add(new Chunk("List of Properts By Agent X").setUnderline(+1f, -5f)); //////////////////////GET Propertys From Entity/////////////// List<Properties> allPropertiesList = PropertiesDB.getAllProperties(); PdfPTable propertyTable = new PdfPTable(3); PdfPCell propertyHeadingcell1 = new PdfPCell(new Phrase("Photo")); PdfPCell propertyHeadingcell2 = new PdfPCell(new Phrase("Property ID")); PdfPCell propertyHeadingcell3 = new PdfPCell(new Phrase("Price")); propertyHeadingcell1.setBorder(Rectangle.NO_BORDER); propertyHeadingcell2.setBorder(Rectangle.NO_BORDER); propertyHeadingcell3.setBorder(Rectangle.NO_BORDER); propertyTable.addCell(propertyHeadingcell1); propertyTable.addCell(propertyHeadingcell2); propertyTable.addCell(propertyHeadingcell3); document.add(Chunk.NEWLINE); String uploadPathforPropertyPhoto = getServletContext().getRealPath("") + "images\\properties\\thumbnails\\"; Image propertyThumbnail; img.scaleAbsolute(120f, 60f);// width,height of image in float for (Properties anProperty : allPropertiesList) { propertyThumbnail = Image.getInstance(uploadPathforPropertyPhoto + anProperty.getPhoto()); PdfPCell propertycell1 = new PdfPCell(propertyThumbnail, false); propertycell1.setPaddingBottom(20); PdfPCell propertycell2 = new PdfPCell(new Phrase(anProperty.getListingNum().toString())); PdfPCell propertycell3 = new PdfPCell(new Phrase(anProperty.getPrice().toString())); propertycell1.setBorder(Rectangle.NO_BORDER); propertycell2.setBorder(Rectangle.NO_BORDER); propertycell3.setBorder(Rectangle.NO_BORDER); propertyTable.addCell(propertycell1); propertyTable.addCell(propertycell2); propertyTable.addCell(propertycell3); } document.add(Chunk.NEWLINE); document.add(propertyTable); //////////////////////GET Propertys From Entity/////////////// document.close(); file.close(); System.out.println("Pdf created successfully ! :)"); String filePath = Report; File downloadFile = new File(filePath); FileInputStream inStream = new FileInputStream(downloadFile); // if you want to use a relative path to context root: String relativePath = getServletContext().getRealPath(""); System.out.println("relativePath = " + relativePath); // obtains ServletContext ServletContext context = getServletContext(); // gets MIME type of the file String mimeType = context.getMimeType(filePath); if (mimeType == null) { // set to binary type if MIME mapping not found mimeType = "application/octet-stream"; } System.out.println("MIME type: " + mimeType); // modifies response response.setContentType(mimeType); response.setContentLength((int) downloadFile.length()); // forces download String headerKey = "Content-Disposition"; String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName()); response.setHeader(headerKey, headerValue); // obtains response's output stream OutputStream outStream = response.getOutputStream(); byte[] buffer = new byte[4096]; int bytesRead = -1; while ((bytesRead = inStream.read(buffer)) != -1) { outStream.write(buffer, 0, bytesRead); } inStream.close(); outStream.close(); ///////////////// processRequest(request, response); } catch (DocumentException ex) { Logger.getLogger(ManageAdmin.class.getName()).log(Level.SEVERE, null, ex); } } } /** * Handles the HTTP <code>POST</code> method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }