document.close(); OpenPDF's HTML support is basic. For complex CSS, use Flying Saucer. Method 3: Headless Browser (for AJAX/rich JSF) For modern JSF with PrimeFaces, AJAX, JavaScript charts: Using Puppeteer (Java wrapper) <dependency> <groupId>com.github.kklisura.cdt</groupId> <artifactId>cdt-java</artifactId> <version>0.3.0</version> </dependency> Java code public void renderWithChrome() throws Exception ChromeDevToolsService service = ChromeDevToolsService.builder() .headless(true) .build(); ChromeDevToolsSession session = service.createSession();
Since JSF runs on the server (Java backend), you cannot directly "convert" a JSF page to PDF like a file converter. Instead, you need to using a server-side library. Solution Overview | Approach | Best for | |----------|----------| | Flying Saucer + iText | XHTML + CSS to PDF (most common) | | OpenPDF / iText | Direct PDF generation from data | | Headless browser (Chrome/Puppeteer) | Complex modern JSF with AJAX | Method 1: Flying Saucer (iText 2.x) – Recommended 1. Add Maven Dependencies <dependency> <groupId>org.xhtmlrenderer</groupId> <artifactId>flying-saucer-pdf</artifactId> <version>9.1.22</version> </dependency> <dependency> <groupId>com.lowagie</groupId> <artifactId>itext</artifactId> <version>2.1.7</version> </dependency> 2. JSF Backing Bean Method import org.xhtmlrenderer.pdf.ITextRenderer; import javax.faces.context.FacesContext; import javax.faces.view.ViewScoped; import javax.inject.Named; import java.io.*; @Named @ViewScoped public class PdfConverterBean implements Serializable
// Navigate to your JSF page URL session.getPage().enable(); session.getPage().navigate("http://localhost:8080/app/page.xhtml"); session.getPage().waitForLoadEvent(); convertir jsf a pdf
PdfPTable table = new PdfPTable(3); table.addCell("Name"); table.addCell("Value"); table.addCell("Date");
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()); document
// Add content document.add(new Paragraph("Report from JSF"));
import com.lowagie.text.*; import com.lowagie.text.pdf.PdfPTable; public void generatePdfFromData(List<MyData> data) Document document = new Document(); ByteArrayOutputStream out = new ByteArrayOutputStream(); PdfWriter.getInstance(document, out); document.open(); Instead, you need to using a server-side library
// Save or stream response sendPdfResponse(pdf); If you just need a PDF from your data , skip HTML: