mailerejb.java

学生注册— 本模块允许新的学生创建和维护他们的帐户信息

package day21ex.mailer;

import java.util.Date;
import java.util.Locale;
import java.util.Properties;

import javax.naming.InitialContext;

import javax.activation.DataHandler;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Transport;
import javax.mail.Session;
import javax.mail.Multipart;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;

import java.rmi.RemoteException;

import javax.ejb.EJBException;
import javax.ejb.FinderException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;


// Session Bean implementation of MailerEJB.
// Used to send a mail message confirmation such as an email
// to a student after a registration into courses is completed.

public class MailerEJB implements SessionBean {
   private Session mailSession = null;

   public void sendMail(String to, String body)throws URSMailerException {

      try {
         MimeMessage msg = new MimeMessage(mailSession);
         msg.setFrom();
         InternetAddress dest = new InternetAddress(to);
         msg.setSubject("Testing STYEJB JavaMail");
         msg.setRecipient(Message.RecipientType.TO, dest);
         msg.setSentDate(new Date());
         msg.setHeader("X-Mailer", "JavaMailer");
         msg.setContent(body, "text/plain");
         Transport.send(msg);
      } catch (Exception e) {
         e.printStackTrace();
         throw new URSMailerException("Failure while sending email");
      }
   }

   public void ejbCreate() {
      try {
         InitialContext ctx = new InitialContext();
         mailSession = (Session) ctx.lookup("java:comp/env/mail/Mail");
      } catch (javax.naming.NamingException e) {
         e.printStackTrace();
      }
   }
   public void ejbPostCreate() {}
   public void ejbActivate() {}
   public void ejbPassivate() {}
   public void ejbRemove() {}
   public void setSessionContext(javax.ejb.SessionContext ec) {}
}