Test3/src/PdfServlet.java



import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.itextpdf.text.Document;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfWriter;

/**
 * Servlet implementation class PdfServlet
 */
public class PdfServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
       
 
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                // Custom size Rectangle pageSize = new Rectangle(200f, 200f);
                Document document = new Document(PageSize.A4);
                
                
                ByteArrayOutputStream out = new ByteArrayOutputStream(32000);
                try {
                        PdfWriter.getInstance(document,out);
                        document.open();
                        document.add(new Paragraph("Hello World"));
                        
                } catch (Exception e) {
                // handle exception
                }
                document.close();
                byte rawDocument[] = out.toByteArray();
                
                response.setContentType("application/pdf");
                
                response.setHeader("Cache-Control", "no-cache");
                response.setDateHeader("Expires", 0);
                
                //You will probably like to add this header in production, with some proper filename
                //response.setHeader("Content-disposition", "attachment; filename=pdfname.pdf");
                
                
                response.setContentLength(rawDocument.length);
                response.getOutputStream().write( rawDocument );
        }

}
1
2
3	import java.io.ByteArrayOutputStream;
4	import java.io.IOException;
5
6	import javax.servlet.ServletException;
7	import javax.servlet.http.HttpServlet;
8	import javax.servlet.http.HttpServletRequest;
9	import javax.servlet.http.HttpServletResponse;
10
11	import com.itextpdf.text.Document;
12	import com.itextpdf.text.PageSize;
13	import com.itextpdf.text.Paragraph;
14	import com.itextpdf.text.Rectangle;
15	import com.itextpdf.text.pdf.PdfWriter;
16
17	/**
18	* Servlet implementation class PdfServlet
19	*/
20	public class PdfServlet extends HttpServlet {
21	private static final long serialVersionUID = 1L;
22
23
24	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
25	// Custom size Rectangle pageSize = new Rectangle(200f, 200f);
26	Document document = new Document(PageSize.A4);
27
28
29	ByteArrayOutputStream out = new ByteArrayOutputStream(32000);
30	try {
31	PdfWriter.getInstance(document,out);
32	document.open();
33	document.add(new Paragraph("Hello World"));
34
35	} catch (Exception e) {
36	// handle exception
37	}
38	document.close();
39	byte rawDocument[] = out.toByteArray();
40
41	response.setContentType("application/pdf");
42
43	response.setHeader("Cache-Control", "no-cache");
44	response.setDateHeader("Expires", 0);
45
46	//You will probably like to add this header in production, with some proper filename
47	//response.setHeader("Content-disposition", "attachment; filename=pdfname.pdf");
48
49
50	response.setContentLength(rawDocument.length);
51	response.getOutputStream().write( rawDocument );
52	}
53
54	}