JSP 转换 mht java 代码

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.MimetypesFileTypeMap;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

import org.htmlparser.Parser;
import org.htmlparser.Tag;
import org.htmlparser.filters.TagNameFilter;
import org.htmlparser.lexer.Lexer;
import org.htmlparser.lexer.Page;
import org.htmlparser.util.DefaultParserFeedback;
import org.htmlparser.util.NodeList;
import org.htmlparser.util.ParserException;
/**
* mht文件解析类
* @author dl
*/

public class Html2MHTCompiler {
private URL strWeb = null; /**网页地址*/
private String strText = null; /**网页文本内容*/
private String strFileName = null; /**本地文件名*/
private String strEncoding = null; /**网页编码*/
//mht格式附加信息
private String from = "[e-mail]";
private String to;
private String subject = "mht compile";
private String cc;
private String bcc;
private String smtp = "localhost";

public static void main(String[] args) {
    String strUrl = "http://www.mtime.com/my/tropicofcancer/blog/843555/";
    String strEncoding = "utf-8";
    //String strText = JQuery.getHtmlText(strUrl, strEncoding, null);
    String strText = downFileTxt(strUrl, strEncoding);

   if (strText == null)
     return;

   Html2MHTCompiler h2t = new Html2MHTCompiler(strUrl, strEncoding, "test.mht");
    h2t.compile();
    //Html2MHTCompiler.mht2html("test.mht", "a.html");
}
/**
*
方法说明：初始化
*
输入参数：strText 网页文本内容; strUrl 网页地址; strEncoding 网页编码; strFileName 本地文件名
*
返回类型：
*/
public Html2MHTCompiler(String strUrl, String strEncoding, String strFileName) {
    try {
     strWeb = new URL(strUrl);
    } catch (MalformedURLException e) {
     e.printStackTrace();
     return;
    }
    //this.strText = strText;
    this.strText = downFileTxt(strUrl, strEncoding);
    this.strEncoding = strEncoding;
    this.strFileName = strFileName;
}
/**
*
方法说明：执行下载操作
*
输入参数：
*
返回类型：
*/
public boolean compile() {
    if (strWeb == null || strText == null || strFileName == null || strEncoding == null)
     return false;
    HashMap urlMap = new HashMap();
    NodeList nodes = new NodeList();
    try {
     Parser parser = createParser(strText);
     parser.setEncoding(strEncoding);
     nodes = parser.parse(null);
    } catch (ParserException e) {
     e.printStackTrace();
    }
    extractAllScriptNodes(nodes);
    ArrayList urlScriptList = extractAllScriptNodes(nodes, urlMap);
    ArrayList urlImageList = extractAllImageNodes(nodes, urlMap);
    for (Iterator iter = urlMap.entrySet().iterator(); iter.hasNext();) {
     Map.Entry entry = (Map.Entry) iter.next();
     String key = (String)entry.getKey();
     String val = (String)entry.getValue();
     //strText = JHtmlClear.replace(strText, val, key);
     strText = strText.replaceAll(val, key);
    }
    try {
     createMhtArchive(strText, urlScriptList, urlImageList);
    } catch (Exception e) {
     e.printStackTrace();
     return false;
    }
    return true;
}
/**
*
方法说明：建立HTML parser
*
输入参数：inputHTML 网页文本内容
*
返回类型：HTML parser
*/
private Parser createParser(String inputHTML) {
    // TODO Auto-generated method stub
    Lexer mLexer = new Lexer(new Page(inputHTML));
    return new Parser(mLexer, new DefaultParserFeedback(DefaultParserFeedback.QUIET));
}
/**
*
方法说明：抽取基础URL地址
*
输入参数：nodes 网页标签集合
*
返回类型：
*/
private void extractAllScriptNodes(NodeList nodes) {
    NodeList filtered = nodes.extractAllNodesThatMatch(new TagNameFilter("BASE"), true);
    if (filtered != null && filtered.size() > 0) {
     Tag tag = (Tag) filtered.elementAt(0);
     String href = tag.getAttribute("href");
     if (href != null && href.length() > 0) {
      try {
       strWeb = new URL(href);
      } catch (MalformedURLException e) {
       e.printStackTrace();
      }
     }
    }
}
/**
*
方法说明：抽取网页包含的css,js链接
*
输入参数：nodes 网页标签集合; urlMap 已存在的url集合
*
返回类型：css,js链接的集合
*/
private ArrayList extractAllScriptNodes(NodeList nodes, HashMap urlMap) {
    ArrayList urlList = new ArrayList();
    NodeList filtered = nodes.extractAllNodesThatMatch(new TagNameFilter("script"), true);
    for (int i = 0; i < filtered.size(); i++) {
     Tag tag = (Tag) filtered.elementAt(i);
     String src = tag.getAttribute("src");
     // Handle external css file's url
     if (src != null && src.length() > 0) {
      String innerURL = src;
      String absoluteURL = makeAbsoluteURL(strWeb, innerURL);
      if (absoluteURL != null && !urlMap.containsKey(absoluteURL)) {
       urlMap.put(absoluteURL, innerURL);
       ArrayList urlInfo = new ArrayList();
       urlInfo.add(innerURL);
       urlInfo.add(absoluteURL);
       urlList.add(urlInfo);
      }
      tag.setAttribute("src", absoluteURL);
     }
    }
    filtered = nodes.extractAllNodesThatMatch(new TagNameFilter("link"), true);
    for (int i = 0; i < filtered.size(); i++) {
     Tag tag = (Tag) filtered.elementAt(i);
     String type = (tag.getAttribute("type"));
     String rel = (tag.getAttribute("rel"));
     String href = tag.getAttribute("href");
     boolean isCssFile = false;
     if (rel != null) {
      isCssFile = rel.indexOf("stylesheet") != -1;
     } else if (type != null) {
      isCssFile |= type.indexOf("text/css") != -1;
     }

    if (isCssFile && href != null && href.length() > 0) {
      String innerURL = href;
      String absoluteURL = makeAbsoluteURL(strWeb, innerURL);
      if (absoluteURL != null && !urlMap.containsKey(absoluteURL)) {
       urlMap.put(absoluteURL, innerURL);
       ArrayList urlInfo = new ArrayList();
       urlInfo.add(innerURL);
       urlInfo.add(absoluteURL);
       urlList.add(urlInfo);
      }
      tag.setAttribute("href", absoluteURL);
     }
    }
    return urlList;
}
/**
*
方法说明：抽取网页包含的图像链接
*
输入参数：nodes 网页标签集合; urlMap 已存在的url集合
*
返回类型：图像链接集合
*/
private ArrayList extractAllImageNodes(NodeList nodes, HashMap urlMap) {
    ArrayList urlList = new ArrayList();
    NodeList filtered = nodes.extractAllNodesThatMatch(new TagNameFilter("IMG"), true);
    for (int i = 0; i < filtered.size(); i++) {
     Tag tag = (Tag) filtered.elementAt(i);
     String src = tag.getAttribute("src");
     // Handle external css file's url
     if (src != null && src.length() > 0) {
      String innerURL = src;
      String absoluteURL = makeAbsoluteURL(strWeb, innerURL);
      if (absoluteURL != null && !urlMap.containsKey(absoluteURL)) {
       urlMap.put(absoluteURL, innerURL);
       ArrayList urlInfo = new ArrayList();
       urlInfo.add(innerURL);
       urlInfo.add(absoluteURL);
       urlList.add(urlInfo);
      }
      tag.setAttribute("src", absoluteURL);
     }
    }
    return urlList;
}
/**
*
方法说明：相对路径转绝对路径
*
输入参数：strWeb 网页地址; innerURL 相对路径链接
*
返回类型：绝对路径链接
*/
public static String makeAbsoluteURL(URL strWeb, String innerURL) {
    //去除后缀
   //int pos = innerURL.indexOf("?");
    //if (pos != -1) {
    // innerURL = innerURL.substring(0, pos);
    //}
    if (innerURL != null
    && innerURL.toLowerCase().indexOf("http") == 0) {
     //System.out.println(innerURL);
     return innerURL;
    }
    URL linkUri = null;
    try {
     linkUri = new URL(strWeb, innerURL);
    } catch (MalformedURLException e) {
     e.printStackTrace();
     return null;
    }
    String absURL = linkUri.toString();
    //absURL = JHtmlClear.replace(absURL, "../", "");
    //absURL = JHtmlClear.replace(absURL, "./", "");
    //absURL = absURL.replaceAll("../", "");
    //absURL = absURL.replaceAll("./", "");
    //System.out.println(absURL);
    return absURL;
}
/**
*
方法说明：创建mht文件
*
输入参数：content 网页文本内容; urlScriptList 脚本链接集合; urlImageList 图片链接集合
*
返回类型：
*/

private void createMhtArchive(String content, ArrayList urlScriptList, ArrayList urlImageList) throws Exception {
    //Instantiate a Multipart object
    MimeMultipart mp = new MimeMultipart("related");
    Properties props = new Properties();
    props.put("mail.smtp.host", smtp);
    Session session = Session.getDefaultInstance(props, null);
    MimeMessage msg = new MimeMessage(session);
    // set mailer
    msg.setHeader("X-Mailer", "Code Manager .SWT");
    // set from
    if (from != null) {
     msg.setFrom(new InternetAddress(from));
    }
    // set subject
    if (subject != null) {
     msg.setSubject(subject);
    }
    // to
    if (to != null) {
     InternetAddress[] toAddresses = getInetAddresses(to);
     msg.setRecipients(Message.RecipientType.TO, toAddresses);
    }
    // cc
    if (cc != null) {
     InternetAddress[] ccAddresses = getInetAddresses(cc);
     msg.setRecipients(Message.RecipientType.CC, ccAddresses);
    }
    // bcc
    if (bcc != null) {
     InternetAddress[] bccAddresses = getInetAddresses(bcc);
     msg.setRecipients(Message.RecipientType.BCC, bccAddresses);
    }
    //设置网页正文
   MimeBodyPart bp = new MimeBodyPart();
    bp.setText(content, strEncoding);
    bp.addHeader("Content-Type", "text/html;charset=" + strEncoding);
    bp.addHeader("Content-Location", strWeb.toString());
    mp.addBodyPart(bp);
    int urlCount = urlScriptList.size();
    for (int i = 0; i < urlCount; i++) {
     bp = new MimeBodyPart();
     ArrayList urlInfo = (ArrayList) urlScriptList.get(i);
     // String url = urlInfo.get(0).toString();
     String absoluteURL = urlInfo.get(1).toString();
     bp.addHeader("Content-Location",javax.mail.internet.MimeUtility.encodeWord(java.net.URLDecoder.decode(absoluteURL, strEncoding)));
     DataSource source = new AttachmentDataSource(absoluteURL, "text");
     bp.setDataHandler(new DataHandler(source));
     mp.addBodyPart(bp);
    }
  
    urlCount = urlImageList.size();
    for (int i = 0; i < urlCount; i++) {
     bp = new MimeBodyPart();
     ArrayList urlInfo = (ArrayList) urlImageList.get(i);
     // String url = urlInfo.get(0).toString();
     String absoluteURL = urlInfo.get(1).toString();
     bp.addHeader("Content-Location",javax.mail.internet.MimeUtility.encodeWord(java.net.URLDecoder.decode(absoluteURL, strEncoding)));
     DataSource source = new AttachmentDataSource(absoluteURL, "image");
     bp.setDataHandler(new DataHandler(source));
     mp.addBodyPart(bp);
    }
    msg.setContent(mp);
    // write the mime multi part message to a file
    File dir = new File (strFileName) ;
         if(!dir.exists())
         dir.createNewFile() ;
         //
    msg.writeTo(new FileOutputStream(strFileName));
}
/**
*
方法说明：mht转html
*
输入参数：strMht mht文件路径; strHtml html文件路径
*
返回类型：
*/
/*
public static void mht2html(String strMht, String strHtml) {
    try {
     InputStream fis = new FileInputStream(strMht);
     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);
      String strEncodng = getEncoding(bp1);
      String strText = getHtmlText(bp1, strEncodng);
      if (strText == null)
       return;
      File parent = null;
      if (mp.getCount() > 1) {
       parent = new File(new File(strHtml).getAbsolutePath() + ".files");
       parent.mkdirs();
       if (!parent.exists())
        return;
      }
      for (int i = 1; i < mp.getCount(); ++i) {
       MimeBodyPart bp = (MimeBodyPart)mp.getBodyPart(i);
       String strUrl = getResourcesUrl(bp);
       if (strUrl == null)
        continue;
       DataHandler dataHandler = bp.getDataHandler();
       MimePartDataSource source = (MimePartDataSource)dataHandler.getDataSource();
       File resources = new File(parent.getAbsolutePath() + File.separator + getName(strUrl, i));
       if (saveResourcesFile(resources, bp.getInputStream()))
        //strText = JHtmlClear.replace(strText, strUrl, resources.getAbsolutePath());
        strText = strText.replaceAll(strUrl, resources.getAbsolutePath());
      }
      saveHtml(strText, strHtml);
     }
    } catch (Exception e) {
     e.printStackTrace();
    }
}*/
/**
*
方法说明：得到资源文件的name
*
输入参数：strName 资源文件链接, ID 资源文件的序号
*
返回类型：资源文件的本地临时文件名
*/
public static String getName(String strName, int ID) {
    char separator = '/';
    //System.out.println(strName);
    //System.out.println(separator);
    if( strName.lastIndexOf(separator) >= 0)
     return format(strName.substring(strName.lastIndexOf(separator) + 1));
    return "temp" + ID;
}
/**
*
方法说明：得到网页编码
*
输入参数：bp MimeBodyPart类型的网页内容
*
返回类型：MimeBodyPart里的网页内容的编码
*/
/*
private static String getEncoding(MimeBodyPart bp) {
    if (bp != null) {
     try {
      Enumeration list = bp.getAllHeaders();
      while (list.hasMoreElements()) {
       javax.mail.Header head = (javax.mail.Header)list.nextElement();
       if (head.getName().compareTo("Content-Type") == 0) {
        String strType = head.getValue();
        int pos = strType.indexOf("charset=");
        if (pos != -1) {
         String strEncoding = strType.substring(pos + 8, strType.length());
         if (strEncoding.toLowerCase().compareTo("gb2312") == 0) {
          strEncoding = "gbk";
         }
         return strEncoding;
        }
       }
      }
     } catch (MessagingException e) {
      e.printStackTrace();
     }
    }
    return null;
}*/
/**
*
方法说明：得到资源文件url
*
输入参数：bp MimeBodyPart类型的网页内容
*
返回类型：资源文件url
*/
/*
private static String getResourcesUrl(MimeBodyPart bp) {
    if (bp != null) {
     try {
      Enumeration list = bp.getAllHeaders();
      while (list.hasMoreElements()) {
       javax.mail.Header head = (javax.mail.Header)list.nextElement();
       if (head.getName().compareTo("Content-Location") == 0) {
        return head.getValue();
       }
      }
     } catch (MessagingException e) {
      e.printStackTrace();
     }
    }
    return null;
}*/
/**
*
方法说明：格式化文件名
*
输入参数：strName 文件名
*
返回类型：经过处理的符合命名规则的文件名
*/
private static String format(String strName) {
    if (strName == null)
     return null;
    strName = strName.replaceAll(" ", " ");
    String strText = "\\/:*?\"<>|^___FCKpd___0quot";
    for (int i = 0; i < strName.length(); ++i) {
     String ch = String.valueOf(strName.charAt(i));
     if (strText.indexOf(ch) != -1) {
      strName = strName.replace(strName.charAt(i), '-');
     }
    }
    return strName;
}
/**
*
方法说明：保存资源文件
*
输入参数：resources 要创建的资源文件; inputStream 要输入文件中的流
*
返回类型：boolean
*/
/*
private static boolean saveResourcesFile(File resources, InputStream inputStream) {
    if (resources == null || inputStream == null) {
    return false;
    }
    BufferedInputStream in = null;
    FileOutputStream fio = null;
    BufferedOutputStream osw = null;
    try {
     in = new BufferedInputStream(inputStream);
     fio = new FileOutputStream(resources);
     osw = new BufferedOutputStream(new DataOutputStream(fio));
     int b;
     byte[] a = new byte[1024];
     boolean isEmpty = true;
     while ((b = in.read(a)) != -1) {
      isEmpty = false;
      osw.write(a, 0, b);
      osw.flush();
     }
     osw.close();
     fio.close();
     in.close();
     inputStream.close();
     if (isEmpty)
      resources.delete();
     return true;
    } catch (Exception e) {
     e.printStackTrace();
     System.out.println("解析mht失败");
     return false;
    } finally{
     try {
      if (osw != null)
       osw.close();
      if (fio != null)
       fio.close();
      if (in != null)
       in.close();
      if (inputStream != null)
       inputStream.close();
     } catch (Exception e) {
      e.printStackTrace();
      System.out.println("解析mht失败");
      return false;
     }
    }
}*/
/**
*
方法说明：得到mht文件的标题
*
输入参数：mhtFilename mht文件名
*
返回类型：mht文件的标题
*/
/*
public static String getTitle(String mhtFilename) {
    try {
     InputStream fis = new FileInputStream(mhtFilename);
     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);
      String strEncodng = getEncoding(bp1);
      String strText = getHtmlText(bp1, strEncodng);
      if (strText == null)
       return null;
      strText = strText.toLowerCase();
                 int pos1 = strText.indexOf("<title>");
                 int pos2 = strText.indexOf("</title>");
      if (pos1 != -1 && pos2!= -1 && pos2 > pos1) {
       return strText.substring(pos1 + 7, pos2).trim();
      }
     }
     return null;
    } catch (Exception e) {

    e.printStackTrace();
     return null;
    }
}*/
/**
*
方法说明：得到html文本
*
输入参数：bp MimeBodyPart类型的网页内容; strEncoding 内容编码
*
返回类型：html文本
*/
/*
private static String getHtmlText(MimeBodyPart bp, String strEncoding) {
    InputStream textStream = null;
    BufferedInputStream buff = null;
    BufferedReader br = null;
    Reader r = null;
    try {
     textStream = bp.getInputStream();
     buff = new BufferedInputStream(textStream);
     r = new InputStreamReader(buff, strEncoding);
     br = new BufferedReader(r);
     StringBuffer strHtml = new StringBuffer("");
     String strLine = null;
     while ((strLine = br.readLine()) != null) {
      strHtml.append(strLine + "\r\n");
     }
     br.close();
     r.close();
     textStream.close();
     return strHtml.toString();
    } catch (Exception e) {
     e.printStackTrace();
    } finally{
     try{
      if (br != null)
       br.close();
      if (buff != null)
       buff.close();
      if (textStream != null)
       textStream.close();
     }catch(Exception e){
      System.out.println("解析mht失败");
     }
    }
    return null;
}*/
/**
*
方法说明：得到jsp文本
*
输入参数：String jspUrl文件路径; strEncoding 内容编码
*
返回类型：html文本
*/
private static String downFileTxt(String jspUrl, String strEncoding) {
    InputStream textStream = null;
    BufferedInputStream buff = null;
    BufferedReader br = null;
    Reader r = null;
    try {
     URL url = new URL(jspUrl);
     textStream = url.openStream();
     buff = new BufferedInputStream(textStream);
     r = new InputStreamReader(buff, strEncoding);
     br = new BufferedReader(r);
     StringBuffer strHtml = new StringBuffer("");
     String strLine = null;
     while ((strLine = br.readLine()) != null) {
      strHtml.append(strLine + "\r\n");
     }
     br.close();
     r.close();
     textStream.close();
     return strHtml.toString();
    } catch (Exception e) {
     e.printStackTrace();
    } finally{
     try{
      if (br != null)
       br.close();
      if (buff != null)
       buff.close();
      if (textStream != null)
       textStream.close();
     }catch(Exception e){
      System.out.println("解析jsp失败");
     }
    }
    return null;
}
/**
*
方法说明：得到资源文件字节流
*
输入参数：String jspUrl文件路径; strEncoding 内容编码
*
返回类型：html文本
*/
private static byte[] downFileByte(String jspUrl) {
    InputStream textStream = null;
    BufferedInputStream buff = null;
    //BufferedReader br = null;
    //Reader r = null;
         //byte[] buf = new byte[1024];
    byte[] buf = null;
         //int len = 0;
    try {
     ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
     URL url = new URL(jspUrl);
     textStream = url.openStream();
     buff = new BufferedInputStream(textStream);
     //r = new InputStreamReader(buff, strEncoding);
     //br = new BufferedReader(r);
     //StringBuffer strHtml = new StringBuffer("");
     //String strLine = null;
     //buff.read(buf);
     //br.close();
     //r.close();
     int ch = 0 ;  
          while ((ch = buff.read()) != - 1 ) {  
          byteArray.write(ch);  
          }
          buf = byteArray.toByteArray();
     buff.close();
     textStream.close();
    } catch (Exception e) {
     e.printStackTrace();
    } finally{
     try{
      //if (br != null)
      // br.close();
      if (buff != null)
       buff.close();
      if (textStream != null)
       textStream.close();
     }catch(Exception e){
      System.out.println("解析文件失败");
     }
    }
    return buf;
}
/**
*
方法说明：保存html文件
*
输入参数：strText html内容; strHtml html文件名
*
返回类型：
*/
/*
private static void saveHtml(String strText, String strHtml) {
    try {
     FileWriter fw = new FileWriter(strHtml);
     fw.write(strText);
     fw.close();
    } catch (IOException e) {
     e.printStackTrace();
     System.out.println("解析mht失败");
    }
}*/
private InternetAddress[] getInetAddresses(String emails) throws Exception {
    ArrayList list = new ArrayList();
    StringTokenizer tok = new StringTokenizer(emails, ",");
    while (tok.hasMoreTokens()) {
     list.add(tok.nextToken());
    }
    int count = list.size();
    InternetAddress[] addresses = new InternetAddress[count];
    for (int i = 0; i < count; i++) {
     addresses[i] = new InternetAddress(list.get(i).toString());
    }
    return addresses;
}

class AttachmentDataSource implements DataSource {
    private MimetypesFileTypeMap map = new MimetypesFileTypeMap();
    private String strUrl;
    private String strType;
    private byte[] dataSize = null;
    /**
    * This is some content type maps.
    */
    private Map normalMap = new HashMap();
    {
     // Initiate normal mime type map
     // Images
     normalMap.put("image", "image/jpeg");
     normalMap.put("text", "text/plain");
    }
    public AttachmentDataSource(String strUrl, String strType) {
     this.strType = strType;
     this.strUrl = strUrl;
     strUrl = strUrl.trim();
     strUrl = strUrl.replaceAll(" ", "%20");
     //dataSize = JQuery.downBinaryFile(strUrl, null);
     if("text".equals(strType))
      dataSize = downFileTxt(strUrl, strEncoding).getBytes();
     else if("image".equals(strType))
      dataSize = downFileByte(strUrl);
    }
    /**
    * Returns the content type.
    */
    public String getContentType() {
     return getMimeType(getName());
    }
    public String getName() {
     char separator = File.separatorChar;
     if( strUrl.lastIndexOf(separator) >= 0 )
      return strUrl.substring(strUrl.lastIndexOf(separator) + 1);
     return strUrl;
    }
    private String getMimeType(String fileName) {
     String type = (String)normalMap.get(strType);
     if (type == null) {
      try {
       type = map.getContentType(fileName);
      } catch (Exception e) {
      }
      //System.out.println(type);
      // Fix the null exception
      if (type == null) {
       type = "application/octet-stream";
      }
     }
     return type;
    }

   public InputStream getInputStream() throws IOException {
     if (dataSize == null)
     dataSize = new byte[0];
     return new ByteArrayInputStream(dataSize);
    }
    public OutputStream getOutputStream() throws IOException {
     return new java.io.ByteArrayOutputStream();
    }
}
}