main/java/PdfServlet.java

/* Sample servlet to demonstrate the usage of iText for generation pdf documents.
 * 
 * For more in-depth look at the API docs or the book "iText in action"
 *
 * How to add page header/footer via PdfPageEventHelper : 
 *     http://faq.javaranch.com/java/ItextExample
 */

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.Image;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
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);
                // PageSize.A4.rotate(); //A4 in landscape mode
                Document document = new Document(PageSize.A4);
                
                
                
                
                ByteArrayOutputStream out = new ByteArrayOutputStream(32000);
                try {
                        PdfWriter writer = PdfWriter.getInstance(document,out);
                        document.open();
                        document.add(new Paragraph("Hello World"));
                        
                        document.add(new Paragraph("Lorem ipsum"));
                        Image img = Image.getInstance("http://app.t-hoerup.dk/Test3/ImageServlet");
                        img.scaleAbsolute(100, 100);
                        img.setRotationDegrees(45);
                        document.add(img);
                        
                        
                } 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	/* Sample servlet to demonstrate the usage of iText for generation pdf documents.
2	*
3	* For more in-depth look at the API docs or the book "iText in action"
4	*
5	* How to add page header/footer via PdfPageEventHelper :
6	* http://faq.javaranch.com/java/ItextExample
7	*/
8
9	import java.io.ByteArrayOutputStream;
10	import java.io.IOException;
11
12	import javax.servlet.ServletException;
13	import javax.servlet.http.HttpServlet;
14	import javax.servlet.http.HttpServletRequest;
15	import javax.servlet.http.HttpServletResponse;
16
17	import com.itextpdf.text.Document;
18	import com.itextpdf.text.Image;
19	import com.itextpdf.text.PageSize;
20	import com.itextpdf.text.Paragraph;
21	import com.itextpdf.text.pdf.PdfWriter;
22
23	/**
24	* Servlet implementation class PdfServlet
25	*/
26	public class PdfServlet extends HttpServlet {
27	private static final long serialVersionUID = 1L;
28
29
30	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
31	// Custom size Rectangle pageSize = new Rectangle(200f, 200f);
32	// PageSize.A4.rotate(); //A4 in landscape mode
33	Document document = new Document(PageSize.A4);
34
35
36
37
38	ByteArrayOutputStream out = new ByteArrayOutputStream(32000);
39	try {
40	PdfWriter writer = PdfWriter.getInstance(document,out);
41	document.open();
42	document.add(new Paragraph("Hello World"));
43
44	document.add(new Paragraph("Lorem ipsum"));
45	Image img = Image.getInstance("http://app.t-hoerup.dk/Test3/ImageServlet");
46	img.scaleAbsolute(100, 100);
47	img.setRotationDegrees(45);
48	document.add(img);
49
50
51	} catch (Exception e) {
52	// handle exception
53	}
54	document.close();
55	byte rawDocument[] = out.toByteArray();
56
57	response.setContentType("application/pdf");
58
59	response.setHeader("Cache-Control", "no-cache");
60	response.setDateHeader("Expires", 0);
61
62	//You will probably like to add this header in production, with some proper filename
63	//response.setHeader("Content-disposition", "attachment; filename=pdfname.pdf");
64
65
66	response.setContentLength(rawDocument.length);
67	response.getOutputStream().write( rawDocument );
68	}
69
70	}