// Save or stream response sendPdfResponse(pdf); If you just need a PDF from your data , skip HTML:
private void sendPdfResponse(byte[] pdfData) FacesContext context = FacesContext.getCurrentInstance(); HttpServletResponse response = (HttpServletResponse) context.getExternalContext().getResponse(); response.setContentType("application/pdf"); response.setHeader("Content-Disposition", "attachment; filename=\"output.pdf\""); response.setContentLength(pdfData.length); try response.getOutputStream().write(pdfData); context.responseComplete(); catch (IOException e) e.printStackTrace(); convertir jsf a pdf
// Add content document.add(new Paragraph("Report from JSF")); // Save or stream response sendPdfResponse(pdf); If you
document.add(table); document.close();
public void convertToPdf() throws Exception FacesContext facesContext = FacesContext.getCurrentInstance(); // Get current JSF view HTML as String String htmlContent = captureCurrentViewAsHtml(facesContext); // Convert HTML to PDF ByteArrayOutputStream pdfStream = new ByteArrayOutputStream(); ITextRenderer renderer = new ITextRenderer(); renderer.setDocumentFromString(htmlContent); renderer.layout(); renderer.createPDF(pdfStream); // Send PDF response sendPdfResponse(pdfStream.toByteArray()); // Save or stream response sendPdfResponse(pdf)
<h:form> <h:commandButton value="Download PDF" action="#pdfConverterBean.convertToPdf"/> </h:form> Method 2: OpenPDF (iText 5+ alternative – LGPL) Dependency <dependency> <groupId>com.github.librepdf</groupId> <artifactId>openpdf</artifactId> <version>1.3.30</version> </dependency> Generate PDF from HTML import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.html.HtmlParser; public void htmlToPdf(String htmlContent, OutputStream out) Document document = new Document(); PdfWriter.getInstance(document, out); document.open();