How to send email using java mail api...
Following class will describes how to send email through java
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import org.apache.log4j.Logger;
/**
* @created by velmurugan pousel
* @created on Oct 17, 2011
* @project TestBatch
*/
public class TestEmailUtil {
private final static Logger logger = Logger.getLogger(TestJobLauncher.class);
private static Properties emailProps ;
/**
* method to load the email host/port information and construct the email properties to
* get the session to send mail
* @throws TestException
*/
public void init() throws TestException {
logger.info(" loading the email host information");
try {
if (emailProps == null) {
emailProps = new Properties();
Properties prop = new Properties();
prop.load(getClass().getClassLoader().getResourceAsStream(ExtractULC.Test_EMAIL_CONFIG_FILE_NAME));
//mail.host=Smtp.test.com
//mail.port=25
//mail.auth=false
//mail.auth.userid=
//mail.auth.password=
//mail.from=
//mail.cc=dl-test-Tech_Suport
emailProps.put("mail.smtp.host", prop.get(ExtractULC.EMAIL_HOST_NAME));
emailProps.put("mail.smtp.port", prop.get(ExtractULC.EMAIL_HOST_PORT));
emailProps.put("mail.smtp.auth", prop.get(ExtractULC.EMAIL_AUTH_LEVEL));
emailProps.put("mail.from", prop.get(ExtractULC.EMAIL_FROM_ADDRESS));
emailProps.put("mail.cc", prop.get(ExtractULC.EMAIL_CC_ADDRESS));
}
} catch (IOException e) {
logger.error(" Error during email information loading.."+ e.getMessage());
throw new TestException(e);
}
}
/**
* util method to send the email notification
* @param recipients
* @param subject
* @param message
* @param from
* @throws MessagingException
* @throws TestException
*/
public void postMail(String recipients[], String subject, String message,
String from) throws MessagingException, TestException {
logger.info(" entering into the postmail method.....");
boolean debug = false;
try {
init();
// create some properties and get the default Session
Session session = Session.getDefaultInstance(emailProps, null);
session.setDebug(debug);
// create a message
Message msg = new MimeMessage(session);
// set the from and to address
InternetAddress addressFrom = new InternetAddress(emailProps.getProperty(ExtractULC.EMAIL_FROM_ADDRESS));
msg.setFrom(addressFrom);
// set the cc address incase if its error message
if (from != null && from.trim().length() > 0){
InternetAddress addressCC = new InternetAddress(emailProps.getProperty(ExtractULC.EMAIL_CC_ADDRESS));
msg.setFrom(addressCC);
}
InternetAddress[] addressTo = new InternetAddress[recipients.length];
for (int i = 0; i < recipients.length; i++) {
addressTo[i] = new InternetAddress(recipients[i]);
}
msg.setRecipients(Message.RecipientType.TO, addressTo);
msg.addHeader("TestHeader", "Test header");
// Setting the Subject and Content Type
msg.setSubject(subject);
msg.setContent(message, "text/plain");
Transport.send(msg);
logger.info(" email successfully send...");
} catch (Throwable e) {
logger.error(" Error during email send....");
throw new TestException(e);
}
}
/**
* method to send the email notification into the internal vendors
*
* @param emailIds
* @param sub - subject to send
* @param body
* @return
* @throws TestException
*/
public boolean sendMail(List<String> emailIds, String sub, String body, String to)
throws TestException {
try {
//postMail(Collections., sub, body, "");
} catch (Throwable e) {
throw new TestException(e);
}
return false;
}
/**
* method to send the email notification into the internal vendors
*
* @param emailIds
* @param sub - subject to send
* @param body
* @return
* @throws TestException
*/
public boolean sendMail(String emailId, String sub, String body)
throws TestException {
try {
postMail(new String[] { emailId }, sub, body, "");
} catch (Throwable e) {
throw new TestException(e);
}
return false;
}
/**
* method to send the email notification into the internal vendors
*
* @param emailIds
* @param sub - subject to send
* @param body
* @return
* @throws TestException
*/
public boolean sendMail(String emailId, String sub, String body, boolean addCC)
throws TestException {
try {
postMail(new String[] { emailId }, sub, body, "cc");
} catch (Throwable e) {
throw new TestException(e);
}
return false;
}
/**
* method to send the email notification into the internal vendors
*
* @param emailIds
* @param sub - subject to send
* @param body
* @return
* @throws TestException
*/
public boolean sendMail(String[] emailIds, String sub, String body, boolean addCC)
throws TestException {
try {
postMail(emailIds , sub, body, "cc");
} catch (Throwable e) {
throw new TestException(e);
}
return false;
}
/**
* method to send the email notification into the internal vendors
* @param emailIds
* @param sub - subject to send
* @param body
* @return
* @throws TestException
*/
public boolean sendMail(String[] emailIds, String sub, String body)
throws TestException {
try {
postMail(emailIds, sub, body, "");
} catch (Throwable e) {
throw new TestException(e);
}
return false;
}
public static void main(String[] args) {
try {
String[] mailIds = new String[]{"vels007@gmailcom"};
new TestEmailUtil().postMail(mailIds, "Test", " Test message", "");
} catch (Throwable e){
e.printStackTrace();
}
}
}
