reportes.ServletIntegral.java Source code

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Here is the source code for reportes.ServletIntegral.java

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/*
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package reportes;

import javax.servlet.*;
import javax.servlet.http.*;

import java.io.*;
import com.itextpdf.text.*;
import com.itextpdf.text.Font.FontFamily;
import com.itextpdf.text.pdf.*;
import java.util.Date;
import modelo.ResultadoIntegral;

/**
 *
 * @author JL
 */
public class ServletIntegral extends HttpServlet {

    public static final Font BOLD_Tot = new Font(FontFamily.HELVETICA, 12, Font.BOLD);
    public static final Font NORMAL = new Font(FontFamily.HELVETICA, 12);
    public static final Font NORMAL_Negative = new Font(FontFamily.HELVETICA, 12, Font.ITALIC, BaseColor.RED);
    private final String descripciones[] = { "Ventas netas", "Costo de ventas", "Utilidad o prdida bruta",
            "Gastos generales", "Gastos de venta", "Gastos de adminisracin", "Otros ingresos y gastos netos",
            "Utilidad de operacin (EBIT)", "Resultado Integral de financiemiento (RIF)", "Intereses devengados",
            "Fluctuacin cambiaria", "Cambios en el valor razonable de activos y pasivos financieros",
            "Utilidad o prdida antes de impuestos a la utilidad", "Impuestos a la utilidad",
            "Utilidad de operaciones continuas", "Operaciones discontinuadas", "Utilidad neta",
            "Otros resultados integrales (ORI)", "Resultado integral" };

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        ServletConfig config = getServletConfig();
        ServletContext context = config.getServletContext();
        String path = context.getContextPath();
        String realPath = context.getRealPath("/");
        response.setContentType("application/pdf");
        //Para descargar el PDF
        response.setHeader("Content-Disposition", "attachment; filename=\"ResultadoIntegral.pdf\"");
        // step 1: creation of a document-object
        try {
            Document document = new Document(PageSize.LETTER);
            // step 2:
            // we create a writer that listens to the document
            // and directs a PDF-stream to a temporary buffer
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            PdfWriter.getInstance(document, buffer);
            // step 3: we open the document
            document.open();
            // step 4: we add  content to the document
            Paragraph title = new Paragraph(
                    (session.getAttribute("nEmpresa") != null) ? session.getAttribute("nEmpresa").toString()
                            : "Empresa");
            title.setAlignment(Element.ALIGN_CENTER);
            title.setFont(NORMAL);
            document.add(title);
            title = new Paragraph("Estado de resultado integral del 01 de Enero al 31 de Diciembre del "
                    + (new Date().getYear() + 1900));
            title.setAlignment(Element.ALIGN_CENTER);
            title.setFont(NORMAL);
            document.add(title);
            title = new Paragraph("Cifras en miles de pesos");
            title.setAlignment(Element.ALIGN_CENTER);
            title.setFont(NORMAL);
            document.add(title);
            for (int i = 0; i < 2; i++) {
                document.add(new Paragraph(" "));
            }
            PdfPTable table = new PdfPTable(2);
            //Obtenemos los datos de la clase ResultadoIntegral
            ResultadoIntegral r = new ResultadoIntegral();
            r.calculaResultado(Integer.parseInt(session.getAttribute("Empresa").toString()));
            for (int i = 0; i < r.getSaldos().size(); i++) {
                PdfPCell dato = new PdfPCell();
                if (i == 2 || i == 7 || i == 12 || i == 14 || i == 16 || i == 18 || i == 19 || i == 17) {
                    Chunk ch = new Chunk(descripciones[i]);
                    ch.setFont(BOLD_Tot);
                    Phrase ph = new Phrase(ch);
                    dato.setPhrase(ph);
                } else {
                    Phrase ph = new Phrase(descripciones[i]);
                    dato.setPhrase(ph);
                }
                dato.setBorder(Rectangle.NO_BORDER);
                dato.setHorizontalAlignment(Element.ALIGN_LEFT);
                table.addCell(dato);
                if (r.getValores().size() > 0) {
                    Chunk ch = new Chunk();
                    if (r.getSaldos().get(i) < 0) {
                        String valor = "(" + (r.getSaldos().get(i) * (-1)) + ")";
                        ch.append(valor);
                        ch.setFont(NORMAL_Negative);
                    } else {
                        dato.setPhrase(new Phrase("" + r.getSaldos().get(i)));
                    }
                } else {
                    dato.setPhrase(new Phrase("0.0"));
                }
                if (i == 1 || i == 6 || i == 11 || i == 13 || i == 15 || i == 17 || i == 18) {
                    dato.setBorder(Rectangle.BOTTOM);
                } else {
                    dato.setBorder(Rectangle.NO_BORDER);
                }
                dato.setHorizontalAlignment(Element.ALIGN_RIGHT);
                table.addCell(dato);
            }
            document.add(table);
            document.add(new Paragraph(""));
            // step 5: we close the document
            document.close();
            // step 6: we output the writer as bytes to the response output
            DataOutputStream output = new DataOutputStream(response.getOutputStream());
            byte[] bytes = buffer.toByteArray();
            response.setContentLength(bytes.length);
            for (int i = 0; i < bytes.length; i++) {
                output.writeByte(bytes[i]);
            }
            output.close();
            response.getOutputStream();
            //session.removeAttribute("bean");
            //session.removeAttribute("producto");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

}