Java tutorial
import java.io.ByteArrayOutputStream; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.lowagie.text.Chunk; import com.lowagie.text.Document; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class OutSimplePdf extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { makePdf(request, response, "GET"); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { makePdf(request, response, "POST"); } public void makePdf(HttpServletRequest request, HttpServletResponse response, String methodGetPost) { try { Document document = new Document(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); PdfWriter.getInstance(document, baos); document.open(); document.add(new Paragraph("some text")); document.close(); response.setHeader("Expires", "0"); response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0"); response.setHeader("Pragma", "public"); response.setContentType("application/pdf"); response.setContentLength(baos.size()); ServletOutputStream out = response.getOutputStream(); baos.writeTo(out); out.flush(); } catch (Exception e2) { System.out.println("Error in " + getClass().getName() + "\n" + e2); } } }