/**
* Library name : Primrose - A Java Database Connection Pool.
* Published by Ben Keeping, [URL unfurl="true"]http://primrose.org.uk[/URL] .
* Copyright (C) primrose.org.uk
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package uk.org.primrose.web;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import java.io.*;
import javax.activation.*;
/**
* @author Ben Keeping
*
* Generic sendMail class, allows for sending emails with attachements.
*/
public class SendMail {
static String mxServer;
String toAddress, fromAddress;
String subject, text;
MimeBodyPart mbp = null;
Multipart mp = new MimeMultipart();
/**
* Construct an email. <BR>
* If the mxServer is unknown, then the static method SendMail.nslookup() can be called to retrieve the domain's mx server. <BR>
* Attachments are optional. <BR>
* @param String mxServer - The Mail eXchange server to send the mail to.
* @param String toAddress - The recipient.
* @param String fromAddress - The sender - can be anyting as long as looks like an email address - eg 'me@somewhere.com'.
* @param String subject - The mail's subject.
* @param String text - The body of the mail.
*/
public SendMail(String mxServer, String toAddress, String fromAddress, String subject, String text) {
this.mxServer = mxServer;
this.toAddress = toAddress;
this.fromAddress = fromAddress;
this.subject = subject;
this.text = text;
}
/**
* Add an attachment to the mail (from a file on disk).
* @param File file - the File object to attach.
*/
public void attach(File file) {
try {
mbp = new MimeBodyPart();
mbp.setFileName(file.getName());
mbp.setDataHandler(new DataHandler(new FileDataSource(file)));
mp.addBodyPart(mbp);
} catch (MessagingException me) {
me.printStackTrace();
}
}
/**
* Send a message using the contstructor properties.
* If there is also an attachment to send, add it too.
*/
public void send() throws IOException {
Properties props = System.getProperties();
props.put("mail.smtp.host", mxServer);
Session session = Session.getDefaultInstance(props, null);
try {
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(fromAddress));
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toAddress, false));
msg.setSubject(subject);
msg.setHeader("X-Mailer", "JavaMail");
// If there have been attachments (one or more), then set the text/body
// as a MimeBodyPart, else set it on the Message. If this isn't done,
// then either text or an attachment is sent - not both !
if (mbp != null) {
MimeBodyPart mbp2 = new MimeBodyPart();
mbp2.setText(text);
mp.addBodyPart(mbp2, 0);
msg.setContent(mp);
} else {
msg.setContent(text, "text/html");
}
Transport.send(msg);
} catch (AddressException ae) {
ae.printStackTrace();
throw new IOException("[SendMail] Address is invalid for mail " +ae.toString());
} catch (MessagingException me) {
me.printStackTrace();
throw new IOException("[SendMail] Message send exception " +me.toString());
}
}
/**
* Given a domain name like 'hotmail.com', perform an OS nslookup call,
* and loop it, looking for the word 'exchanger' in the line. On Linux and Windoze
* the mx mail server is always the last word/token in the line, so set it as such.
* This pays no attention to the preference of which mx server to use, but could (and should !)
* be built in really. Still, never mind.
* @param String domain - the domain to lookup.
*/
public static String nslookup(String domain) {
String mailserver = null;
try {
Process p = Runtime.getRuntime().exec("nslookup -type=mx " +domain);
BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
boolean gotMxLine = false;
String line = null;
String token = null;
while ((line = br.readLine()) != null) {
gotMxLine = false;
//System.out.println(line);
StringTokenizer st = new StringTokenizer(line);
while (st.hasMoreTokens()) {
token = st.nextToken();
if (token.equals("exchanger")) {
gotMxLine = true;
}
if (gotMxLine) {
mailserver = token;
}
}
}
} catch (IOException ioe) {
ioe.printStackTrace();
return null;
}
System.out.println("Mail Server to use is :: " +mailserver);
return mailserver;
}
/**
* Method main.
* @param args
* Usuage :: <mxServer> <toAddress> <fromAddress> <subject> <text>
*/
public static void main(String args[]) throws Exception {
if (args.length < 5) {
System.out.println("Usuage :: <mxServer> <toAddress> <fromAddress> <subject> <text>");
System.exit(1);
}
//BufferedReader br1 = new BufferedReader(new FileReader("C:/email_list_primrose_2.4.txt"));
//String line1 = "";
//while ((line1 = br1.readLine()) != null) {
// args[1] = line1;
String text = "";
// Read in the text for the body ...
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(args[4])));
String line = "";
//System.err.println("Getting body of email ...");
while ((line = br.readLine()) != null) {
text += line +"\n";
}
//String msgText = "";
// for (int i = 4; i < args.length; i++) {
// msgText += (" " +args[i]);
//}
new SendMail(args[0], args[1], args[2], args[3], text).send();
//}
/*
if (args.length < 5) {
System.out.println("Usuage :: <mxServer> <toAddress> <fromAddress> <subject> <text>");
System.exit(1);
}
BufferedReader br1 = new BufferedReader(new FileReader("C:/java/primrose/email_list_2.4.6.txt"));
String line1 = "";
while ((line1 = br1.readLine()) != null) {
System.err.println("Sending to : " +line1);
args[1] = line1;
String text = "";
// Read in the text for the body ...
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(args[4])));
String line = "";
while ((line = br.readLine()) != null) {
text += line +"\n";
}
//String msgText = "";
// for (int i = 4; i < args.length; i++) {
// msgText += (" " +args[i]);
//}
SendMail sm = new SendMail(args[0], args[1], args[2], args[3], text);
sm.attach(new File("C:/java/primrose/web/downloads/primrose.jar"));
sm.send();
}
*/
}
}
