Answer's Engineering Blog: spring

Oct 8, 2014

First, need a dependency.

You can add dependency using mouse right click to pom.xml then typing mail.

Or this way.

Add this code.

Second, add package folder and java file Email.java, EmailSender.java.

Email.java is setter and getter, EmailSender.java is sender.

This is Email.java

Email.java consist of subject, content and receiver.

This is EmailSender.java

import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.MailException;
import org.springframework.mail.javamail.JavaMailSender;
public class EmailSender {
@Autowired
protected JavaMailSender mailSender;
public void SendEmail(Email email) throws Exception {
MimeMessage msg = mailSender.createMimeMessage();
try {
msg.setSubject(email.getSubject());
msg.setText(email.getContent());
msg.setRecipients(MimeMessage.RecipientType.TO , InternetAddress.parse(email.getReceiver()));
}catch(MessagingException e) {
System.out.println("MessagingException");
e.printStackTrace();
}
try {
mailSender.send(msg);
}catch(MailException e) {
System.out.println("MailException발생");
e.printStackTrace();
}
}
}

EmailSender getting content, receiver and subject from Email.java then Sending using JavaMailSender.

This is Controller code.

@Autowired
private EmailSender emailSender;
@Autowired
private Email email;
@RequestMapping("/sendpw.do")
public ModelAndView sendEmailAction (@RequestParam Map<String, Object> paramMap, ModelMap model) throws Exception {
ModelAndView mav;
String id=(String) paramMap.get("id");
String e_mail=(String) paramMap.get("email");
String pw=mainService.getPw(paramMap);
System.out.println(pw);
if(pw!=null) {
email.setContent("비밀번호는 "+pw+" 입니다.");
email.setReceiver(e_mail);
email.setSubject(id+"님 비밀번호 찾기 메일입니다.");
emailSender.SendEmail(email);
mav= new ModelAndView("redirect:/login.do");
return mav;
}else {
mav=new ModelAndView("redirect:/logout.do");
return mav;
}
}

This code getting id and e-mail from jsp.

And check the information.

If id and e-mail is right getting password from database.

This is bean setting.

<bean id="mailSender" class ="org.springframework.mail.javamail.JavaMailSenderImpl" >
<property name="host" value="smtp.gmail.com" />
<property name="port" value="587" />
<property name="defaultEncoding" value="utf-8"/>
<property name="username" value="your id@gmail.com" />
<property name="password" value="your password" />
<property name="javaMailProperties">
<props>
<prop key="mail.smtp.starttls.enable">true</prop>
<prop key="mail.smtp.auth">true</prop>
</props>
</property>
</bean>
<bean id="email" class="spring.board.email.Email">
</bean>
<bean id="emailSender" class="spring.board.email.EmailSender">
</bean>