spring mail

1// of course you would use DI in any real-world cases
2JavaMailSenderImpl sender = new JavaMailSenderImpl();
3sender.setHost("mail.host.com");
4
5MimeMessage message = sender.createMimeMessage();
6MimeMessageHelper helper = new MimeMessageHelper(message);
7helper.setTo("test@host.com");
8helper.setText("Thank you for ordering!");
9
10sender.send(message);

1public interface OrderManager {
2
3    void placeOrder(Order order);
4}

1import javax.mail.Message;
2import javax.mail.MessagingException;
3import javax.mail.internet.InternetAddress;
4import javax.mail.internet.MimeMessage;
5
6import javax.mail.internet.MimeMessage;
7import org.springframework.mail.MailException;
8import org.springframework.mail.javamail.JavaMailSender;
9import org.springframework.mail.javamail.MimeMessagePreparator;
10
11public class SimpleOrderManager implements OrderManager {
12
13    private JavaMailSender mailSender;
14
15    public void setMailSender(JavaMailSender mailSender) {
16        this.mailSender = mailSender;
17    }
18
19    public void placeOrder(final Order order) {
20
21        // Do the business calculations...
22
23        // Call the collaborators to persist the order...
24
25        MimeMessagePreparator preparator = new MimeMessagePreparator() {
26
27            public void prepare(MimeMessage mimeMessage) throws Exception {
28
29                mimeMessage.setRecipient(Message.RecipientType.TO,
30                        new InternetAddress(order.getCustomer().getEmailAddress()));
31                mimeMessage.setFrom(new InternetAddress("mail@mycompany.com"));
32                mimeMessage.setText(
33                    "Dear " + order.getCustomer().getFirstName() + " "
34                        + order.getCustomer().getLastName()
35                        + ", thank you for placing order. Your order number is "
36                        + order.getOrderNumber());
37            }
38        };
39        try {
40            this.mailSender.send(preparator);
41        }
42        catch (MailException ex) {
43            // simply log it and go on...
44            System.err.println(ex.getMessage());
45        }
46    }
47}

1import org.springframework.mail.MailException;
2import org.springframework.mail.MailSender;
3import org.springframework.mail.SimpleMailMessage;
4
5public class SimpleOrderManager implements OrderManager {
6
7    private MailSender mailSender;
8    private SimpleMailMessage templateMessage;
9
10    public void setMailSender(MailSender mailSender) {
11        this.mailSender = mailSender;
12    }
13
14    public void setTemplateMessage(SimpleMailMessage templateMessage) {
15        this.templateMessage = templateMessage;
16    }
17
18    public void placeOrder(Order order) {
19
20        // Do the business calculations...
21
22        // Call the collaborators to persist the order...
23
24        // Create a thread safe "copy" of the template message and customize it
25        SimpleMailMessage msg = new SimpleMailMessage(this.templateMessage);
26        msg.setTo(order.getCustomer().getEmailAddress());
27        msg.setText(
28            "Dear " + order.getCustomer().getFirstName()
29                + order.getCustomer().getLastName()
30                + ", thank you for placing order. Your order number is "
31                + order.getOrderNumber());
32        try{
33            this.mailSender.send(msg);
34        }
35        catch(MailException ex) {
36            // simply log it and go on...
37            System.err.println(ex.getMessage());
38        }
39    }
40}

1<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
2  <property name="host" value="mail.mycompany.com"/>
3</bean>
4
5<!-- this is a template message that we can pre-load with default state -->
6<bean id="templateMessage" class="org.springframework.mail.SimpleMailMessage">
7  <property name="from" value="customerservice@mycompany.com"/>
8  <property name="subject" value="Your order"/>
9</bean>
10
11<bean id="orderManager" class="com.mycompany.businessapp.support.SimpleOrderManager">
12  <property name="mailSender" ref="mailSender"/>
13  <property name="templateMessage" ref="templateMessage"/>
14</bean>