EmailServletpublic class EmailServlet extends HttpServlet
| Fields Summary |
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| private static final String | DEFAULT_SERVER |
| Methods Summary |
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| public void | doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
doPost(request, response);
| | public void | doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
//obtain the values for email components from
//request parameters
String smtpServ = request.getParameter("smtp");
if (smtpServ == null || smtpServ.equals(""))
smtpServ = DEFAULT_SERVER;
String from = request.getParameter("from");
String to = request.getParameter("to");
String subject = request.getParameter("subject");
String emailContent = request.getParameter("emailContent");
response.setContentType("text/html");
java.io.PrintWriter out = response.getWriter();
out.println("<html><head><title>Email message sender</title></head><body>");
try {
sendMessage(smtpServ, to, from, subject, emailContent);
} catch (Exception e) {
throw new ServletException(e.getMessage());
}
out.println(
"<h2>The message was sent successfully</h2>");
out.println("</body></html>");
| | private void | sendMessage(java.lang.String smtpServer, java.lang.String to, java.lang.String from, java.lang.String subject, java.lang.String emailContent)
Properties properties = System.getProperties();
//populate the 'Properties' object with the mail
//server address, so that the default 'Session'
//instance can use it.
properties.put("mail.smtp.host", smtpServer);
Session session = Session.getDefaultInstance(properties);
Message mailMsg = new MimeMessage(session);//a new email message
InternetAddress[] addresses = null;
try {
if (to != null) {
//throws 'AddressException' if the 'to' email address
//violates RFC822 syntax
addresses = InternetAddress.parse(to, false);
mailMsg.setRecipients(Message.RecipientType.TO, addresses);
} else {
throw new MessagingException(
"The mail message requires a 'To' address.");
}
if (from != null) {
mailMsg.setFrom(new InternetAddress(from));
} else {
throw new MessagingException(
"The mail message requires a valid 'From' address.");
}
if (subject != null)
mailMsg.setSubject(subject);
if (emailContent != null)
mailMsg.setText(emailContent);
//Finally, send the meail message; throws a 'SendFailedException'
//if any of the message's recipients have an invalid adress
Transport.send(mailMsg);
} catch (Exception exc) {
throw exc;
}
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