Dao.DaoReportes.java Source code

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Here is the source code for Dao.DaoReportes.java

Source

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

    import java.io.ByteArrayInputStream;
    import java.io.ByteArrayOutputStream;
    import java.io.InputStream;
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Map;
    import javax.faces.context.FacesContext;
    import javax.servlet.ServletContext;
    import javax.servlet.ServletOutputStream;
    import javax.servlet.http.HttpServletResponse;
    import net.sf.jasperreports.engine.JRException;
    import net.sf.jasperreports.engine.JasperCompileManager;
    import net.sf.jasperreports.engine.JasperExportManager;
    import net.sf.jasperreports.engine.JasperFillManager;
    import net.sf.jasperreports.engine.JasperPrint;
    import net.sf.jasperreports.engine.JasperReport;
    import net.sf.jasperreports.engine.query.JRHibernateQueryExecuter;
    import net.sf.jasperreports.engine.query.JRHibernateQueryExecuterFactory;
    import net.sf.jasperreports.view.JasperViewer;
    import org.hibernate.HibernateException;
    import org.hibernate.Session;
    import org.hibernate.Transaction;
    import org.primefaces.model.DefaultStreamedContent;
    import org.primefaces.model.StreamedContent;
    import util.HibernateUtil;

    /**
     *
     * @author server
     */
    public class DaoReportes {
        private Session sesion;
        private Transaction tx;
        private Map param = new HashMap();
        private Date date = new Date();
        private SimpleDateFormat sf = new SimpleDateFormat("dd-M-yyyy@HH.mm.ss");

        private void iniciaOperacion() {
            try {
                sesion = HibernateUtil.getSessionFactory().openSession();
                tx = sesion.beginTransaction();
            } catch (HibernateException ex) {

            }

        }

        private void manejaExcepcion(HibernateException he) throws HibernateException {
            tx.rollback();
            throw new HibernateException("Ocurri un error en la capa de acceso a datos", he);
        }

    public StreamedContent reporte(Date fechaInicio, Date fechaFin){
        //boolean band = false;
        StreamedContent media = null;
        ServletContext ctx = (ServletContext) FacesContext.getCurrentInstance()
        .getExternalContext().getContext();
        String realPath = ctx.getRealPath("/");
        realPath += "Modulos\\Reportes\\";
        
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(fechaInicio);
        
        String fechaI = "", fechaF="";
        int ao = calendar.get(Calendar.YEAR);
        int mes = calendar.get(Calendar.MONDAY);
        int dia = calendar.get(Calendar.DAY_OF_MONTH);
        String mesint = "";
        String diaint = "";
        
        
        
        if(dia < 10)
            diaint = "0"+dia;
        else
            diaint = String.valueOf(dia);
        if(mes < 10)
            mesint = "0"+mes;
        else
            mesint = String.valueOf(mes);
        
        fechaI = ao+"-"+mesint+"-"+diaint;
        
        
       // calendar = Calendar.getInstance();
        calendar.setTime(fechaFin);
        
        ao = calendar.get(Calendar.YEAR);
        mes = calendar.get(Calendar.MONDAY);
        dia = calendar.get(Calendar.DAY_OF_MONTH);
        mesint = "";
        diaint = "";
        
        
        
        if(dia < 10)
            diaint = "0"+dia;
        else
            diaint = String.valueOf(dia);
        if(mes < 10)
            mesint = "0"+mes;
        else
            mesint = String.valueOf(mes);
        
        fechaI = ao+"-"+mesint+"-"+diaint;
                
        iniciaOperacion();
        
        param.put(JRHibernateQueryExecuterFactory.PARAMETER_HIBERNATE_SESSION, sesion);
        param.put("logoIntel",realPath+"logo1.jpg");
//        param.put("logoPostgrado",realPath+"logoPostgrado.jpg");
        param.put("fechaInicio",fechaI);
        param.put("fechaFin",fechaF);
        //param.put("logoFondo",realPath+"logoUTEQoriginalGrandeTransp1.jpg");
        
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        
        String file = "reporte" + sf.format(date.getTime())+ ".pdf";
        JasperPrint jPrint = null;
        try {
           // JasperReport JReporte = JasperCompileManager.compileReport(realPath+"actaAdmision.jasper");
            jPrint = JasperFillManager.fillReport(realPath+"reportecompras.jasper", param);
            JasperExportManager.exportReportToPdfStream(jPrint, baos);
            
             baos.flush();
        baos.close();

        InputStream is = new ByteArrayInputStream(baos.toByteArray());
        media = new DefaultStreamedContent(is, "application/pdf", file);
//            HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext().getResponse();
//            response.reset();
//            
//            response.setContentType("Aplicacion/pdf");
//            response.setContentLength(baos.size());
//            response.setHeader("Content-disposition", "inline; filename="+file+"");
//            response.getOutputStream().write(baos.toByteArray());
//            
//            
//            media = new DefaultStreamedContent(new ByteArrayInputStream(baos.toByteArray()), "application/pdf",file);
//            
//            response.getOutputStream().flush();
//            response.getOutputStream().close();
//            FacesContext.getCurrentInstance().responseComplete();
           // band = true;
            
        } catch (Exception ex) {
            System.out.println(ex.toString());
            //band = false;
        }
        
        //return band;
        return media;
    }

    }