Dear Sir,
Attached please find two Java files, PageXofY.java (sample code from
itextpdf.com with a minor addition to email) and MailerTest.java
I tried to send generated PDF through SMTP using Java mail api. It puzzled me
that the content of PDF once received in email is blank unless the
Content-Transfer-Encoding is set to base64. For example,
bodyPart.setHeader("Content-Transfer-Encoding", "base64"); // in
MailerTest.java attached
Does iText support other Content-Transfer-Encoding like quoted-printable? Or is
there anything wrong with my usage of Java mail?
Regards,
Jiangang Song
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http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_2import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class MailerTest
{
private Session session;
public MailerTest(Properties props)
{
session = Session.getInstance(props,null);
}
public void sendMail(Address to, Address from, String subject, String
msgText, byte[] fileData,
String fileName) throws MessagingException, IOException
{
// Create a message.
MimeMessage msg = new MimeMessage(session);
// Set basic message info.
msg.setFrom(from);
msg.setSubject((subject == null) ? "" : subject, "UTF-8");
msg.setSentDate(new Date());
// Create main text part of message
MimeBodyPart bodyPart = new MimeBodyPart();
//bodyPart.setText((msgText == null) ? "" : msgText, "UTF-8");
bodyPart.setText(msgText);
// Add to multipart
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(bodyPart);
// Create a new part for the attachment, and set the file data
bodyPart = new MimeBodyPart();
ByteArrayDataSource bads = new ByteArrayDataSource(fileData,
"application/octet-stream");
bodyPart.setDataHandler(new DataHandler(bads));
bodyPart.setFileName(fileName);
bodyPart.setHeader("Content-Type","text/plain; charset=\"utf-8\"");
//bodyPart.setHeader("Content-Transfer-Encoding", "base64");
bodyPart.setHeader("Content-Transfer-Encoding", "quoted-printable");
// Add it to multipart, and set the multipart as content for the mail
message
multipart.addBodyPart(bodyPart);
msg.setContent(multipart);
msg.setRecipient(Message.RecipientType.TO, to);
Transport.send(msg);
}
private class ByteArrayDataSource implements DataSource
{
private byte[] data; // data
private String type; // content-type
// Create a DataSource from a byte array
public ByteArrayDataSource(byte[] content, String type)
{
System.out.println("call constructer");
if (content != null)
{
this.data = content;
}
this.type = type;
}
public InputStream getInputStream() throws IOException
{
if (data == null)
{
throw new IOException("no data");
}
return new ByteArrayInputStream(data);
}
public OutputStream getOutputStream() throws IOException
{
throw new IOException("cannot do this");
}
public String getContentType()
{
return type;
}
public String getName()
{
return "dummy";
}
}
}import java.io.*;
import java.util.*;
import javax.mail.internet.*;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPageEventHelper;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;
/**
* This example was written by Bruno itextpdf. It is part of the book 'iText in
* Action' by Manning Publications.
* ISBN: 1932394796
* http://www.1t3xt.com/docs/book.php
* http://www.manning.com/itextpdf/
* align
*/
public class PageXofY extends PdfPageEventHelper {
/** The PdfTemplate that contains the total number of pages. */
protected PdfTemplate total;
/** The font that will be used. */
protected BaseFont helv;
/**
* @see
com.itextpdf.text.pdf.PdfPageEvent#onOpenDocument(com.itextpdf.text.pdf.PdfWriter,
* com.itextpdf.text.Document)
*/
public void onOpenDocument(PdfWriter writer, Document document) {
total = writer.getDirectContent().createTemplate(50, 50);
total.setBoundingBox(new Rectangle(-20, -20, 50, 50));
try {
helv = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.WINANSI,
BaseFont.NOT_EMBEDDED);
} catch (Exception e) {
throw new ExceptionConverter(e);
}
}
/**
* @see
com.itextpdf.text.pdf.PdfPageEvent#onEndPage(com.itextpdf.text.pdf.PdfWriter,
* com.itextpdf.text.Document)
*/
public void onEndPage(PdfWriter writer, Document document) {
PdfContentByte cb = writer.getDirectContent();
cb.saveState();
String text = writer.getPageNumber() + "/";
float textBase = document.bottom() - 20;
float textSize = helv.getWidthPoint(text, 12);
cb.beginText();
cb.setFontAndSize(helv, 12);
cb.setTextMatrix((document.left()+document.right())/2,
textBase);
cb.showText(text);
cb.endText();
cb.addTemplate(total,
(document.left()+document.right())/2 + textSize, textBase);
cb.restoreState();
}
/**
* @see
com.itextpdf.text.pdf.PdfPageEvent#onCloseDocument(com.itextpdf.text.pdf.PdfWriter,
* com.itextpdf.text.Document)
*/
public void onCloseDocument(PdfWriter writer, Document document) {
total.beginText();
total.setFontAndSize(helv, 12);
total.setTextMatrix(0, 0);
total.showText(String.valueOf(writer.getPageNumber() - 1));
total.endText();
}
/**
* Generates a file with a header and a footer.
*
* @param args
* no arguments needed here
*/
public static void main(String[] args) {
System.out.println("Chapter 14: Page X of Y Example");
System.out.println("-> Creates a PDF file with page numbers.");
System.out.println("-> jars needed: iText.jar");
System.out.println("-> files generated in /results
subdirectory:");
System.out.println(" page_numbers.pdf");
// step 1: creation of a document-object
Document document = new Document(PageSize.LETTER);
ByteArrayOutputStream byteArrayOutputStream = new
ByteArrayOutputStream();
try {
// step 2:
PdfWriter writer = PdfWriter.getInstance(document,new
BufferedOutputStream(byteArrayOutputStream));
writer.setViewerPreferences(PdfWriter.PageLayoutTwoColumnLeft);
writer.setPageEvent(new PageXofY());
document.setMargins(36, 36, 36, 54);
// step 3:
document.open();
Paragraph p = new Paragraph();
// step 4: we grab the ContentByte and do some stuff
with it
for (int k = 1; k <= 30; ++k) {
p.add(new Phrase("Quick brown fox jumps over
the lazy dog. "));
}
p.setAlignment(Element.ALIGN_JUSTIFIED);
for (int k = 1; k <= 12; ++k) {
document.add(p);
}
document.close();
writer.close();
} catch (DocumentException de) {
System.err.println(de.getMessage());
}
try
{
Properties props = new Properties();
props.put("mail.smtp.host", "dipsy");
props.put("mail.smtp.port", "25");
MailerTest mailer = new MailerTest(props);
InternetAddress from = new
InternetAddress("[email protected]");
InternetAddress to = new
InternetAddress("[email protected]");
mailer.sendMail(to, from, "test", "This is a test",
byteArrayOutputStream.toByteArray(), "test.pdf");
}
catch(Exception e)
{
e.printStackTrace();
}
}
}------------------------------------------------------------------------------
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