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	torben	2516	/* 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			}