javamail接收邮件的bean，可以正确的解析中文（一）

这几天写的javamail项目中接收邮件和解析邮件的类，参考了很多代码，但是好像没有比较完整的对中文支持还有邮件解析的整合，所以自己写了一个。

Pop3Bean.java是主要的代码

FileProperties.java读取配置文件的类

MailConstants.java指向配置文件的接口，可以不用

Pop3BeanTest.java测试程序

ReadEml.java读取eml文件的bean



接收邮件类

//:Pop3Bean.java
/*
* Created on 2004-12-22
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package org.jteam.jmail.pop3bean;

import java.io.*;
import java.text.*;
import java.util.*;
import org.jteam.jmail.util.*;
import javax.mail.*;
import javax.mail.internet.*;

/**
* @author David
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
public class Pop3Bean {

     private int mailCounter; //邮件计数

     private int mailIndex; //邮件编号，即邮件在messages数组中的位置

     private int mailDownErrorCounter; //正在下载邮件时，出错的计数器

     private boolean[] recordFailure; //记录下载出错的邮件的序号

     private int totalRetryTimes; //总共重试次数

     private int retryTimeCounter; //记下重试的次数

     private boolean otherError; //若是在邮件正式下载之前出错，则置该值为true

     private String extension; //文件扩展名

     private Store store;

     private Folder folder;

     private Message[] messages;

     private Message message;

     private Part part;

     private String emlName;

     private String attachName;

     private int allMessageCount;

     private int messageCount;

     private String dateformat; //默认的日前显示格式

     private String propFile = MailConstants.PROPS_FILE_NAME;//用这个接口类的好处是更改配置文件路径的时候不需要更改每个类

     private String protocol; //服务协议

     private String mailHost; //服务器地址

     private String userName; //用户名

     private String password; //密码

     private String saveAttachPath; //附件下载后的存放目录

     private String saveEmlPath;//保存eml文件的路径

     public Pop3Bean() throws IOException {
         FileProperties fp = new FileProperties(propFile);
         fp.load();
         protocol = fp.getProperty(MailConstants.RECV_PROTO);
         mailHost = fp.getProperty(MailConstants.RECV_HOST);
         userName = fp.getProperty(MailConstants.RECV_USER);
         password = fp.getProperty(MailConstants.RECV_PASS);
         saveAttachPath = fp.getProperty(MailConstants.RECV_ATTACH);
         saveEmlPath = fp.getProperty(MailConstants.RECV_ROOT);
         dateformat = fp.getProperty("mail.receive.dtfmat");
         extension = fp.getProperty("mail.receive.extension");
         totalRetryTimes = Integer
                 .parseInt(fp.getProperty("mail.receive.retry"));
     }

     /**
      * 设置邮件主机
      */
     public void setMailHost(String mailHost) {
         this.mailHost = mailHost;
     }

     /**
      * 获取邮件主机
      */
     public String getMailHost() {
         return this.mailHost;
     }

     /**
      * 设置邮件帐号
      */
     public void setUserName(String userName) {
         this.userName = userName;
     }

     /**
      * 获取邮件帐号
      */
     public String getUserName() {
         return this.userName;
     }

     /**
      * 设置邮件密码
      */
     public void setPassword(String password) {
         this.password = password;
     }

     /**
      * 设置Store
      */
     public void setStore(Store store) {
         this.store = store;
     }

     /**
      * 设置邮箱文件夹
      */
     public void setFolder(Folder folder) {
         this.folder = folder;
     }

     /**
      * 设置messages数组
      */
     public void setMessages(Message[] messages) {
         this.messages = messages;
     }

     /**
      * 设置message
      */
     public void setMessage(Message message) {
         this.message = message;
     }

     /**
      * 获取message
      */
     public Message getMessage() {
         return this.message;
     }

     /**
      * 获取folder中的message数量
      *
      * @throws MessagingException
      */
     public int getAllMessageCount() throws MessagingException {
         this.allMessageCount = folder.getMessageCount();
         return allMessageCount;
     }

     /**
      * 设置allMessageCount
      *
      * @throws MessagingException
      */
     private void setAllMessageCount() throws MessagingException {
         this.allMessageCount = this.folder.getMessageCount();
     }

     /**
      * 获取messages中message的数量
      *
      * @return
      */
     public int getMessageCount() {
         this.messageCount = this.messages.length;
         return messageCount;
     }

     /**
      * 获得folder中新邮件的数量
      *
      * @return
      * @throws MessagingException
      */
     public int getNewMessageCount() throws MessagingException {
         return this.folder.getNewMessageCount();
     }

     /**
      * 获得folder中未读邮件的数量
      *
      * @return
      * @throws MessagingException
      */
     public int getUnreadMessageCount() throws MessagingException {
         return this.folder.getUnreadMessageCount();
     }

     /**
      * 获取Part
      */
     public Part getPart() {
         return (Part) message;
     }

     /**
      * 设置Part
      */
     public void setPart(Part part) {
         this.part = part;
     }

     /**
      * 设置附件存放路径
      */

     public void setAttachPath(String attachPath) {
         this.saveAttachPath = attachPath;
     }

     /**
      * 获得附件存放路径
      */

     public String getAttachPath() {
         return saveAttachPath;
     }

     /**
      * 设置eml存放路径
      */

     public void setEmlPath(String emlPath) {
         this.saveEmlPath = emlPath;
     }

     /**
      * 获得eml存放路径
      */

     public String getEmlPath() {
         return saveEmlPath;
     }

     public void setEmlName(String emlName) {
         this.emlName = emlName;
     }

     public String getEmlName() {
         return emlName;
     }

     public void setAttachName(String attachName) {
         this.attachName = attachName;
     }

     public String getAttachName() {
         return attachName;
     }

     public void setExtension(String extension) {
         this.extension = extension;
     }

     public String getExtension() {
         return extension;
     }

     /**
      * 设置日期显示格式
      */

     public void setDateFormat(String format) throws Exception {
         this.dateformat = format;
     }