mailwrapzeng.java~19~

Mail Of Java

package mailofjava;
import javax.mail.*;
import javax.mail.internet.*;

import java.util.*;
import java.io.*;

/*@@本程序试图封装邮件类，这样用户使用更简单，指定收信人发信人主题内容就可以发
送，非常方便！
注意，邮件可以发送给多个人，抄送多个人。


*/
/*
苏州职业大学计算机系　曾海
2003-7
*/


public class MailWrapZeng {
  private ArrayList to=new ArrayList();//上一章学的终于用上了。嘿嘿
  private ArrayList cc=new ArrayList();
  private ArrayList bcc=new ArrayList();
  private Message msg;

  private Session session;
  private String from;//发信只能一个人
  private String subject;

  private String body;
  private String computer;//发送的主机名
/*下面是一堆例行的get/set 方法，不可以直接存取private成员 */

 public String getFrom() { return from;};
 public void setFrom(String fm) { from=fm;};
 public String getSub() { return subject;};
 public void setSub(String sb){ subject=sb;};
 //这里是关于to的方法4个。
 public ArrayList getToTable(){ return to;};
 public void setToTable(ArrayList tolist){ to=tolist;};
 public void addToUser(String ss){ to.add(ss);};
 public void setTo(String ss){ to.add(ss);};
 //下面是cc的
 public ArrayList getCcTable(){ return cc;};
 public void setCcTable(ArrayList ccvalue){ cc=ccvalue;};
 public void addToCc(String ss){ cc.add(ss);};
 public void setCcTable(String ss){ cc.add(ss);};
//bcc的我就不写了，大家补全
 public void setText(String text){ body=text;};
 public void setMailServer(String hostname){ computer=hostname;};
//下面的方法检查是不是参数填得正确

 public boolean isOkay(){
   if( from==null || from.length() ==0){
     System.err.println("没有from字段");
     return false;
   };

   if( subject==null || subject.length() ==0){
       System.err.println("没有subject字段");
     return false;
   };
    if( to.size()  ==0){
       System.err.println("没有to 字段");
     return false;
    };
     if( body==null || body.length() ==0){
       System.err.println("没有内容");
     return false;
     };

    if( computer ==null || computer.length() ==0){
      System.err.println("没有指定服务器");
     return false;
    };
     return true;

 }//ois okay

public synchronized void go() throws MessagingException{
  if(!isOkay())
      throw new IllegalArgumentException("go: i have no sufficient parameters");
  Properties prop=new Properties();
  prop.put("mail.smtp.host",computer);

  session=Session.getDefaultInstance(prop,null);

  msg=new MimeMessage(session);//一个message

  InternetAddress address[];//地址数缓　

  //取得to 地址列表
  address= new InternetAddress[to.size()];
  for(int i=0;i<to.size();i++)
    address[i]=new InternetAddress((String) to.get(i));
  msg.setRecipients(Message.RecipientType.TO ,address);

   msg.setFrom(new InternetAddress(from));

  address=new InternetAddress[cc.size() ];
  for(int i=0;i<cc.size();i++)
      address[i]= new InternetAddress( (String) cc.get(i));
  msg.setRecipients(Message.RecipientType.CC ,address);

  msg.setSubject(subject);
  msg.setText(body);

 //可以直接transport.send(,sg)不过呢，比较慢，所以不死等了

  Thread dd=new Thread(){
    public void run(){
      try{
        Transport.send(msg);

      }catch(MessagingException e){
        throw new IllegalArgumentException( "go threw:"+e.toString() );
      };//try
    };//run
 };//thread
  dd.start() ;
};

public static void send(String MailServer,String recipent,String Sender,String mySubject,
                        String myMessage) throws MessagingException{
   MailWrapZeng zeng =new MailWrapZeng();
   zeng.setMailServer(MailServer);
   zeng.addToUser(recipent);
   zeng.setFrom(Sender);
   zeng.setSub(mySubject);
   zeng.setText(myMessage);
   zeng.go() ;


}//





  public MailWrapZeng() {
  }
}