Introduccion

Sitio principal

GitHub - LibrePDF/OpenPDF: OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.GitHub

<dependency>
        <groupId>com.github.librepdf</groupId>
        <artifactId>openpdf</artifactId>
        <version>1.3.8</version>
    </dependency>

Pagina

<b:column medium-screen="25" >
<p:commandButton action="#{programacionVechicularController.imprimir()}" value="Reporte"
                        icon="icon-report" ajax="false">
</p:commandButton>

imprimir()

public void imprimir() {
             
             com.lowagie.text.Document document = new com.lowagie.text.Document(PageSize.LETTER);
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
             try {
                   PdfWriter.getInstance(document, baos);
                  //METADATA
                 
                
                  document.open();
                 
                  document.add(new Paragraph(" PROGRAMACION DE FLOTA VEHICULAR \n"));
                 
                  DateFormat formatter= new SimpleDateFormat("dd/MM/yy '-' hh:mm:ss:");
                   Date currentDate = new Date();
                   String date = formatter.format(currentDate);
                  document.add(new Paragraph("Fecha Generado: "+date)); 
                  document.add(new Paragraph("\n"));
                 
                  PdfPTable table = new PdfPTable(6);
                 
                  table.setTotalWidth(new float[]{ 20,72, 110, 95, 170, 72 });
              table.setLockedWidth(true);
                 
             
               PdfPCell cell = new PdfPCell(new Paragraph("Listado de ALumnos" ,
                       FontFactory.getFont("arial",   // fuente
                         8,                            // tamaño
                     Font.BOLD)));
                  cell.setHorizontalAlignment(Element.ALIGN_CENTER);
                  
                        cell.setColspan(6);
                  table.addCell(cell);

                  cell = new PdfPCell(new Paragraph ("ID", FontFactory.getFont("arial",8,Font.BOLD )));
                   
                
                 
                  table.addCell("conductor");
                 
                  table.addCell("placa");
                 
                
                 
                  for (ProgramacionVehicular pv:programacionVehicular) {
                     
                        table.addCell(pv.getIdviaje().toString());
                        table.addCell(pv.getConductor());
                        table.addCell(pv.getPlaca());
                     
                  }
                  document.add(table);
            } catch (Exception ex) {
                  System.out.println("Error " + ex.getMessage());
            }
            document.close();
            FacesContext context = FacesContext.getCurrentInstance();
            Object response = context.getExternalContext().getResponse();
            if (response instanceof HttpServletResponse) {
                  HttpServletResponse hsr = (HttpServletResponse) response;
                  hsr.setContentType("application/pdf");
                  hsr.setHeader("Contentdisposition",  "attachment;filename=report.pdf");
          //        hsr.setHeader("Content-disposition", "attachment");
                  hsr.setContentLength(baos.size());
                  try {
                        ServletOutputStream out = hsr.getOutputStream();
                        baos.writeTo(out);
                        out.flush();
                  } catch (IOException ex) {
                        System.out.println("Error:  " + ex.getMessage());
                  }
                  context.responseComplete();
            }
       }

Reporte