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();
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 convertir jsf a pdf
// Add content document.add(new Paragraph("Report from JSF")); import com
document.add(table); document.close();
// Generate PDF byte[] pdf = session.getPage().printToPDF(); Add Maven Dependencies <dependency> <groupId>org
for (MyData item : data) table.addCell(item.getName()); table.addCell(String.valueOf(item.getValue())); table.addCell(item.getDate().toString());