<action
               label="邮件信息"
               icon="icons/sample.gif"
               class="myplugin.actions.MailAction"
               tooltip="邮件信息"
               menubarPath="sampleMenu/sampleGroup"
               toolbarPath="sampleGroup"
               id="myplugin.actions.MailAction">
         </action>
         

              MailConfig mail=new MailConfig();
        
        String popServer="server";
        String popUser="zhaoyong";
        String popPassword="1234";
        
        //设置需要过滤的关键字：发件人和邮件主题
        String [] strFrom=new String[] {"zhaoyong"};
        String [] strSubject=new String[] {"测试"};
        
        MailConfig[] mc =new MailConfig [] { mail };
        MailDialog md=new MailDialog(mc);
        System.err.println("run run run ") ;
        md.setSize(400, 335);
         md.show();
         

        String popServer;
    String popUser;
    String popPassword;
    
//设 置 需 要 过 滤 的 关 键 字 ： 发 件 人 和 邮 件 主 题

    String [] strFrom;
    String [] strSubject;    
    
    //是 否 显 示 邮 件 内 容 
boolean isViewContent=false;
    

package myplugin;


import java.io.IOException;
import java.util.Properties;

import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.InternetAddress;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JTextPane;
/**
 * @author zhaoyong
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class MailDialog extends JDialog
{
    
    private JEditorPane jEditorPane = null;
    private JTextPane jTextPane = null;
    
    //可以显示多个邮件配置
    MailConfig[]  mc= null; 
   
    
    /**
     * This method initializes 
     * 构造函数
     * @param mc : 需要显示的多个邮箱配置对象。
     */
    public MailDialog(MailConfig[] mc) 
    {
    	
        super();
      
        if(mc!=null)
            this.mc = mc;
        else
            System.err.println("邮件配置错误！") ;
        
        initialize();
    }
    /**
     * This method initializes this
     * 初始化
     * @return void
     */
    private void initialize() 
    {
        try
        {
            //设定显示内容的面板
            this.setContentPane(getJTextPane());
            //取得所有的新邮件信息
            String s= getAllMailInfo();            
            //将信息显示在对话框中
            this.jTextPane .setText(s);
           
            this.setTitle("邮件信息");
            this.setSize(251, 100);
        } 
        catch (Exception e)
        {           
        	//发生错误显示错误信息
        	 this.jTextPane .setText(e.toString());
            e.printStackTrace();
        }
        
    }
    /**取得所有的邮箱的需要监控的邮件信息
	 * 
	 * @return String 
	 */
    private String getAllMailInfo()
    {
    	String allMailInfo="";
    	
    	if (mc.length <1)
    		allMailInfo="没有配置邮箱！";
    	else
    	{
    		for(int i=0;i<mc.length;i++)
    		{
    			//循环获取每个邮箱的邮件信息
    			allMailInfo=allMailInfo+getMailInfo(mc[i]);
    		}
    	}
    	//还没有收到相关的邮件
    	if (allMailInfo.trim().length() ==0)
    		allMailInfo="未检测到相关新邮件！";
    	return allMailInfo;
    	
    }
    /*
     *得到一个邮箱中满足条件的所有新邮件的字符串形式
     **/
    private String getMailInfo(MailConfig mc)
    {
    	 //最终输出的邮件信息
        String mailInfo="";
    	
        //每个邮箱服务器上的Store和Folder对象
    	Store store=null;
        Folder folder=null;
        
        try
        {
           
            Properties props = System.getProperties();
            //与邮件服务器生成一个Session
            Session session = Session.getDefaultInstance( props,null);
     
           //给出服务器，用户名，密码连接服务器
            store = session.getStore("pop3");
            store.connect(mc.getPopServer(), mc.getPopUser(),mc.getPopPassword());
            
            //取得默认的邮件Folder
            folder = store.getDefaultFolder();
            if (folder == null) 
                throw new Exception("No default folder");
            
            //取得收件箱
            folder = folder.getFolder("INBOX");
            if (folder == null) 
                throw new Exception("No POP3 INBOX");
            
            //以只读方式打开收件箱
            folder.open(Folder.READ_ONLY);
            
            //获取所有新邮件并处理
            Message[] msgs = folder.getMessages(); 
           
            for (int i = 0; i < msgs.length; i++)
            {
                Message message= msgs[i];
                //取得每封邮件的信息，需要引用MailConfig对象进行关键字过滤
                mailInfo = mailInfo+ getMessageInfo( message,mc);                
            }
            
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
        finally
        {
            //安全的关闭邮件服务器资源
            try
            {
                if (folder!=null) folder.close(true);
                if (store!=null) store.close();
            }
            catch (Exception ex2) {ex2.printStackTrace();}
        }
        return mailInfo;
    }
    
    /**
     * 得到一封邮件的信息，需要根据MailConfig过滤
	 * @param mailInfo
	 * @param message
	 * @return 邮件信息
	 * @throws MessagingException
	 * @throws IOException
	 */
	private String getMessageInfo( final Message message ,final MailConfig mc) 
		throws MessagingException, IOException 
	{
		//返回的改邮件信息
		String mailInfo="";
		
		String from=((InternetAddress)message.getFrom()[0]).getPersonal();
            
		if (from==null) 
		    from=((InternetAddress)message.getFrom()[0]).getAddress();
		
		String subject=message.getSubject();
		
		//如果满足过滤信息则显示，否则返回空
        if(isElementinString(from,mc.getStrFrom())
        		||isElementinString(subject,mc.getStrSubject()) )   
        {        	
        	mailInfo=mailInfo+"发件人 : "+from+"\n";                
        	mailInfo=mailInfo+"邮件主题 : "+subject+"\n";
        	mailInfo=mailInfo+"发送时间 : "+message.getSentDate() +"\n";
        	
        	//如果显示内容，则打印内容
        	if(mc.isViewContent)
        		mailInfo=mailInfo+message.getContent() +"\n";
        	
        	mailInfo=mailInfo+"------------------------------------\n";
        }
		return mailInfo;
	}
	
	private JTextPane getJTextPane() 
    {
        if (jTextPane == null) 
        {
            jTextPane = new JTextPane();
        }
        
        return jTextPane;
    }
   
	 /**
     * 判断目标关键字数组中是否有指定的字符串,进行过滤
	 * @param targetStr ：
	 * @param keys ：
	 * @return	如果有，返回true， 否则返回false
	 */
 
    private boolean isElementinString(String targetStr,String [] keys)
    {
    	//没指定过滤条件，显示所有
    	if (keys==null)
    		return true;
    	//指定字符串为空，直接返回false
    	if (targetStr==null)
    		return false;
    	for(int i=0;i<keys.length ;i++)
    	{
    		if (targetStr.indexOf(keys[i])>-1)
    			return true;
    	}
    	return false;
    }
 
}  
//  @jve:decl-index=0:visual-constraint="10,10"－－说明，这是Visual Editor添加的控制信息

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin
   id="myplugin"
   name="Myplugin Plug-in"
   version="1.0.0"
   provider-name=""
   class="myplugin.MypluginPlugin">

   <runtime>
      <library name="myplugin.jar">
         <export name="*"/>
      </library>
      <library name="lib/javaMail.jar">
         <export name="*"/>
      </library>
      <library name="lib/activation.jar">
         <export name="*"/>
      </library>
   </runtime>

   <requires>
      <import plugin="org.eclipse.ui"/>
      <import plugin="org.eclipse.core.runtime"/>
   </requires>

   <extension
         point="org.eclipse.ui.actionSets">
      <actionSet
            label="Sample Action Set"
            visible="true"
            id="myplugin.actionSet">
         <menu
               label="我的空间"
               id="sampleMenu">
            <separator
                  name="sampleGroup">
            </separator>
         </menu>
         <action
               label="天气预报"
               icon="icons/sample.gif"
               class="myplugin.actions.SampleAction"
               tooltip="Hello, Eclipse world"
               menubarPath="sampleMenu/sampleGroup"
               toolbarPath="sampleGroup"
               id="myplugin.actions.SampleAction">
         </action>
          <action
               label="邮件信息"
               icon="icons/sample.gif"
               class="myplugin.actions.MailAction"
               tooltip="邮件信息"
               menubarPath="sampleMenu/sampleGroup"
               toolbarPath="sampleGroup"
               id="myplugin.actions.MailAction">
         </action>
      </actionSet>
   </extension>
</plugin>