Servlets.GenerarPDF.java Source code

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Here is the source code for Servlets.GenerarPDF.java

Source

/*
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 * and open the template in the editor.
 */
package Servlets;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Image;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.*;

import com.itextpdf.text.Phrase;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Allan
 */
@WebServlet(name = "GenerarPDF", urlPatterns = { "/GenerarPDF" })
public class GenerarPDF 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. */
            ServletContext d = getServletContext();
            Document document = new Document();
            com.itextpdf.text.Font catFont = new com.itextpdf.text.Font(
                    com.itextpdf.text.Font.FontFamily.TIMES_ROMAN, 14, com.itextpdf.text.Font.BOLD);
            try {

                PdfWriter.getInstance(document, response.getOutputStream());
                document.open();

                Paragraph preface = new Paragraph();
                Paragraph title = new Paragraph("\n\n Reporte \nEstadisticas\n\n", catFont);
                title.setAlignment(Element.ALIGN_CENTER);
                String urllogo = "/img/header-ittoluca2.png";
                String absoluturl = d.getRealPath(urllogo);
                Image logo = Image.getInstance(absoluturl);
                logo.scaleAbsoluteWidth(500f);
                logo.scaleAbsoluteHeight(60f);
                logo.setAbsolutePosition(50f, 750f);
                preface.add(logo);
                document.add(title);
                document.add(preface);
                document.add(new Paragraph("\n\n"));
                document.close();
            } catch (DocumentException e) {
            }
        }
    }

    // <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 {
        processRequest(request, response);
    }

    /**
     * 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>

}