Java转换MHT到HTML并提取资源

import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.BufferedReader;  
import java.io.DataOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.InputStream;  
import java.io.InputStreamReader;  
import java.io.OutputStreamWriter;  
import java.io.Reader;  
import java.io.Writer;  
import java.util.Enumeration;  
import javax.activation.DataHandler;  
import javax.mail.MessagingException;    
import javax.mail.Multipart;    
import javax.mail.Session;    
import javax.mail.internet.MimeBodyPart;    
import javax.mail.internet.MimeMessage;    
import javax.mail.internet.MimeMultipart;    
import javax.mail.internet.MimePartDataSource;   
  
public class HtmlApplication{  
public static void main(String[] args){  
        HtmlApplication.mht2html("C:\\Documents and Settings\\Administrator\\桌面\\test2.mht", "C:\\test2\\test.html");  
    }  
  
/** 
 * 将 mht文件转换成 html文件 
 * @param s_SrcMht 

 * @param s_DescHtml 
 */  
public static void mht2html(String s_SrcMht, String s_DescHtml) {  
    try {    
        InputStream fis = new FileInputStream(s_SrcMht);  
        Session mailSession = Session.getDefaultInstance(System.getProperties(), null);  
        MimeMessage msg = new MimeMessage(mailSession, fis);  
        Object content = msg.getContent();  
        if (content instanceof Multipart){    
            MimeMultipart mp = (MimeMultipart)content;    
            MimeBodyPart bp1 = (MimeBodyPart)mp.getBodyPart(0);  
              
            //获取mht文件内容代码的编码  
            String strEncodng = getEncoding(bp1);  
              
            //获取mht文件的内容  
            String strText = getHtmlText(bp1, strEncodng);    
            if (strText == null)    
                return;  
              
            //创建以mht文件名称的文件夹，主要用来保存资源文件。  
            File parent = null;  
            if (mp.getCount() > 1) {  
                parent = new File(new File(s_DescHtml).getAbsolutePath() + ".files");  
                parent.mkdirs();  
                if (!parent.exists()){   //创建文件夹失败的话则退出  
                    return;  
                }  
            }