automessage.java

《Java与模式》一书的源代码

package com.javapatterns.builder.messagebuilder;

import java.util.Date;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public abstract class AutoMessage
{
    protected String subject = "";
    protected String body = "";
    protected String from = "";
    protected String to = "";
    protected Date sendDate = null;

    public AutoMessage()
    {
    }

    public void send()
    {
        //Your SMTP server address here.
        String smtpHost = "umbriel.email.jeffcorp.com";
        //The sender's email address
        from = "[e-mail]";
        //The recepients email address
        to = "[e-mail]";

        Properties props = new Properties();
        //The protocol to use is SMTP
        props.put("mail.smtp.host", smtpHost);

        Session session = Session.getDefaultInstance(props, null);

        try
        {
            InternetAddress[] address = {new InternetAddress(to)};
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(from));

            message.setRecipients(Message.RecipientType.TO, to);
            message.setSubject("Hello from Jeff");
            message.setSentDate(sendDate);
            message.setText("Hello Jeff, \nHow are things going?");

            Transport.send(message);

            System.out.println("email has been sent.");
        }
        catch (Exception e)
        {
            System.out.println(e);
        }
    }

    public String getTo()
    {
        return to;
    }

    public void setTo(String to)
    {
        this.to = to;
    }

    public String getSubject()
    {
        return subject;
    }

    public void setSubject(String subject)
    {
        this.subject = subject;
    }

    public String getBody()
    {
        return body;
    }

    public void setBody(String body)
    {
        this.body = body;
    }

    public String getFrom()
    {
        return from;
    }

    public void setFrom(String from)
    {
        this.from = from;
    }

    public Date getSendDate()
    {
        return sendDate;
    }

    public void setSendDate(Date sendDate)
    {
        this.sendDate = sendDate;
    }
}