Mail.class

import java.util.Properties;


import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;


@Stateless
public class Mail implements IObserver {

	@Resource(lookup = "java:jboss/mail/gmail")
	private Session session;

	public void send(String adresses, String topic, String textMessage) {

		final String username = "mestniutrip.maribor@gmail.com";
		final String password = "mestniutrip1";

		Properties props = new Properties();
		props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.starttls.enable", "true");
        props.put("mail.smtp.host", "smtp.gmail.com");
        props.put("mail.smtp.port", "587");

        Session session = Session.getInstance(props,
        		new javax.mail.Authenticator() {
        	protected PasswordAuthentication getPasswordAuthentication() {
        	return new PasswordAuthentication(username, password);
        	}
        });

        try {
        	Message message = new MimeMessage(session);
        	message.setFrom(new InternetAddress(username));
        	message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(adresses));
        	message.setSubject(topic);
        	message.setText(textMessage);
        	Transport.send(message);
        } catch(MessagingException e) {
        	throw new RuntimeException(e);
        }
	}

	@Override
	public void update(Aktivnost a) {
		String naslov = a.getLastnik().getEmail();
		String tema = "Sprememba aktivnosti od osebe " + a.getLastnik().getIme() + " " + a.getLastnik().getPriimek();
		String sporocilo = "Pozdravljen " + a.getLastnik().getIme() + "!\nVaša aktivnost je bila spremenjena.";
		send(naslov, tema, sporocilo);
	}
}