Taming Thymeleaf Pdf Download Apr 2026

Here’s a focused feature guide for — covering setup, templating, rendering, and streaming. 1. Core Concept Thymeleaf alone doesn’t generate PDFs. Common approach: Thymeleaf → HTML → Flying Saucer / OpenPDF → PDF

@GetMapping("/invoice/id/pdf") public ResponseEntity<byte[]> downloadInvoice(@PathVariable Long id) InvoiceDto invoice = invoiceService.findById(id); // your logic byte[] pdfBytes = pdfService.generateInvoicePdf(invoice);

createPDF(null) returns byte[] in newer Flying Saucer versions. Otherwise, use a ByteArrayOutputStream . 5. Controller – Download PDF import org.springframework.http.HttpHeaders; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.*; @RestController public class PdfController taming thymeleaf pdf download

Images (use absolute path or base64):

<img src="file:/absolute/path/logo.png" /> (register in ITextRenderer): Here’s a focused feature guide for — covering

String html = templateEngine.process("invoice", context);

public PdfService(SpringTemplateEngine templateEngine) this.templateEngine = templateEngine; img src="file:/absolute/path/logo.png" /&gt

private final SpringTemplateEngine templateEngine;