<%@ page import =
"java.io.*, java.util.*, javax.mail.*, javax.mail.internet.*, javax.activation.*, java.util.*"
%>
<%!
// CONSTANTS
// SPECIFY A MAIL GATEWAY
// Note: This IP address specifies the localhost, and this will
// work on a lot of machines (it works with my ISP). However,
// you might have to change it, to point at a different machine
// with an email gateway (i.e. SMTP).
private final String mailHost = "127.0.0.1";
// SPECIFY A "FROM" ADDRESS
// This is the address that it appears that the email message was sent from.
private final String fromEmailAddress = "fromAddress@myCompany.com";
// SPECIFY A "TO" ADDRESS
// This is the address that the email message is sent to.
private final String toEmailAddress = "toAddress@destinationCompany.com";
// ----------------------------------------------------------------
// ***** This class is a helper class, to wrap a data source.
// *****
class ByteArrayDataSource implements DataSource {
private byte[] data; // data for mail message
private String type; // content type/mime type
/**
* Create a DataSource from a String
* @param data is the contents of the mail message
* @param type is the mime-type such as text/html
*/
ByteArrayDataSource(String data, String type) {
try {
// Assumption that the string contains only ascii
// characters ! Else just pass in a charset into this
// constructor and use it in getBytes()
this.data = data.getBytes("iso-8859-1");
} catch (UnsupportedEncodingException uex) { }
this.type = type;
}
//DataSource interface methods
public InputStream getInputStream() throws IOException {
if (data == null)
throw new IOException("no data exception in ByteArrayDataSource");
return new ByteArrayInputStream(data);
}
public OutputStream getOutputStream() throws IOException {
throw new IOException("illegal operation in ByteArrayDataSource");
}
public String getContentType() {
return type;
}
public String getName() {
return "dummy";
}
}
// ***** This function does the work of actually sending email,
// ***** using javax.mail .
String sendMail(String from, String to, String subject,
String body, String message) throws JspException
{
// We need to set a few properties first...
Properties props = System.getProperties();
props.put("mail.smtp.host", mailHost);
Session emailsession =
Session.getDefaultInstance(props, null);
try
{
// Now, let's make a multipart email message
Message email = new MimeMessage(emailsession);
email.setFrom(new InternetAddress(from)); // set FROM
InternetAddress[] address = {
new InternetAddress(to) };
email.setRecipients(Message.RecipientType.TO, address); // set TO
email.setSubject(subject); // set SUBJECT
email.setSentDate(new Date()); // set DATE
email.setHeader("X-Mailer", "MailFormJava");
// If we had no attachments, we would just do this:
//email.setText(body); // set BODY
// But, we DO have attachments, so we do this:
// ***** the BODY
MimeBodyPart bodyPart1 = new MimeBodyPart();
bodyPart1.setText(body); // set BODY
// ***** ATTACHMENT #1: a text attachment
MimeBodyPart attachment1 = new MimeBodyPart();
attachment1.setText("Hello there! I'm a text attachment."); // set attachment
attachment1.setFileName("hello.txt");
// ***** ATTACHMENT #2: here's how to send an HTML attachment
MimeBodyPart attachment2 = new MimeBodyPart();
StringBuffer sb = new StringBuffer();
sb.append("\n");
sb.append("\n");
sb.append("\n");
sb.append("Hello there! I am an HTML attachment.\n");
sb.append("\n");
sb.append("\n");
sb.append("\n");
sb.append("Welcome to my HTML attachment.
" + "\n");
sb.append("Here is some text for you...
And some more text...
\n");
sb.append("\n");
sb.append("\n");
attachment2.setFileName("hello.htm");
attachment2.setDataHandler(new DataHandler(
new ByteArrayDataSource(sb.toString(), "text/html")));
// ***** ATTACHMENT #3: here's how to attach a file that was already passed to us
// base64-encoded as a POST parameter (e.g. audio file from via )
MimeBodyPart attachment3 = new MimeBodyPart();
attachment3.setDataHandler(new DataHandler(
new ByteArrayDataSource(message, "audio/x-wav")));
attachment3.setFileName("audiofile.wav");
attachment3.addHeader("Content-Transfer-Encoding","base64");
// ***** put body + attachments together
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(bodyPart1);
multipart.addBodyPart(attachment1);
multipart.addBodyPart(attachment2);
multipart.addBodyPart(attachment3);
email.setContent(multipart);
// ***** and send it
Transport.send(email);
}
catch (MessagingException e) {
throw new JspException (e.getMessage());
}
return("OK");
}
%>
<%
// ***** Here's where the email is initiated.
// ***** Actually send an email, with the following parameters, and
// ***** while we're at it, attach an audio file that was given to us via POST,
// ***** and a couple of other attachments, just to illustrate how it's done.
response.setContentType("application/voicexml+xml");
sendMail(
fromEmailAddress, // FROM address
toEmailAddress, // TO address
"Here is an audio email message for you!", // SUBJECT
"The enclosed file, audiofile.wav, was\nsent to you by the BeVocal Cafe.\nCheck us out at http://cafe.bevocal.com .", // BODY
request.getParameter("message") ); // BASE64 AUDIO FILE ATTACHMENT
%>