mail.java

IBM Websphere 工作流MQ Workflow 开发示例

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//  WA05 Support Pac - WebSphere MQ Workflow UPES Framework
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package com.acme.sample;

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;

/**
 * A simple Java class which will send an email via JavaMail.
 *
 * @author Robert Junghuber (<a href="mailto:[e-mail]">[e-mail]</a>)
 * 2.0.2
 *
 */

public class Mail
{
  /**
   * Constructor. Sets up the (hard-coded) SMTP Host. 
   */
  
  public Mail()
  {
    Properties p = new Properties();

    p.put("mail.smtp.host", "mail.ibm.com");

    session = Session.getDefaultInstance(p, null);
  }

  /**
   * 
   * @param fromAddress email address of the sender
   * @param toAddress email address of the receiver
   * @param subject text for the subject line
   * @param body text for the message body 
   * @return Zero, if successful, 1 if an error occurred
   */
  
  public int send(String fromAddress, String toAddress, String subject, String body)
  {
    Message m = new MimeMessage(session);
    
    System.out.println("fromAddress: " + fromAddress);
    System.out.println("toAddress  : " + toAddress);
    System.out.println("subject    : " + subject);
    System.out.println("body       : " + body);
    
    try
    {
      m.setFrom(new InternetAddress(fromAddress));
      m.setRecipients(Message.RecipientType.TO, new InternetAddress[] { new InternetAddress(toAddress) });
      m.setSubject(subject);
      m.setSentDate(new Date());
      m.setText(body);
  
      Transport.send(m);
    
      return 0;
    }
    catch (Exception e) { 
	e.printStackTrace();
	return 1; 
    }
  }
  
  private final Session session;
}