<!DOCTYPE web-app 
     PUBLIC  "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" 
    "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>
    <display-name>GAF  1 </display-name>
    <description>
	GAF  1 
    </description>
    <mime-mapping>
	<extension>ppt</extension> 
      <mime-type>application/vnd.ms-powerpoint</mime-type> 
    </mime-mapping>
    <mime-mapping>
      <extension>xls</extension>
      <mime-type>application/vnd.ms-excel</mime-type>
    </mime-mapping>
    <servlet>
      <servlet-name>Get</servlet-name>
      <servlet- class >ru.tut.nikulin.gaf1.Get</servlet- class >
    </servlet>
    <servlet-mapping>
      <servlet-name>Get</servlet-name>
      <url-pattern>/DnLwD</url-pattern>
    </servlet-mapping>
    <servlet>
      <servlet-name>Admin</servlet-name>
      <servlet- class >ru.tut.nikulin.gaf1.Admin</servlet- class >
    </servlet>
    <servlet-mapping>
      <servlet-name>Admin</servlet-name>
      <url-pattern>/admin</url-pattern>
    </servlet-mapping>

</web-app>

 package  ru.tut.nikulin.gaf1;

 import  java.io.File;
 import  java.io.FileInputStream;
 import  java.io.IOException;
 import  java.io.OutputStream;
 import  java.net.URLEncoder;
 import  java.text.SimpleDateFormat;
 import  java.sql.SQLException;
 import  java.util.Date;
 import  javax.servlet.ServletContext;
 import  javax.servlet.http.HttpServlet;
 import  javax.servlet.http.HttpServletRequest;
 import  javax.servlet.http.HttpServletResponse;

 public   class  Get  extends  HttpServlet{

   public   void  doGet(HttpServletRequest req, HttpServletResponse resp)  throws  IOException {
    try {
     int  size= 0 , n= 0 ;
     float  sec = ( float ) 0 . 0 ;
    Settings settings= null ;
     try {
      settings =  new  Settings(req);
    } catch (Exception e){  throw   new  IOException( e.getMessage() ); }

     long  tm = System.currentTimeMillis();
    ServletContext sc = getServletContext(); 
    String folder = (String) req.getParameter("folder");
    String name   = (String) req.getParameter("name");
    String id     = (String) req.getParameter("id");
    String email  = (String) req.getParameter("email");
     if  ( folder== null  || name== null  || id== null  || email== null ) { 
	 throw   new  IOException("Please fill out all request parameters");     
    } 
    Date date =  new  Date();

    String filename = settings.getFolder()+"\\"+folder+"\\"+name;
    String mimeType = sc.getMimeType(filename); 
    mimeType = mimeType==null ? "text/plain" : mimeType;

 /*  
   String userAgent = req.getHeader("USER-AGENT").toLowerCase(); 
   String urlfn = URLEncoder.encode(filename, "UTF8"); 
   if (userAgent != null && userAgent.indexOf("opera") == -1 && userAgent.indexOf("msie") != -1) { 
      resp.setHeader("Content-Disposition", "attachment; filename=\"" + urlfn + "\"");
    }  else  { 
      resp.setHeader("Content-Disposition", "attachment; filename*=\"utf-8'" + urlfn + "\""); 
    } 
*/
    resp.sendRedirect("/DnLwD/"+name);
    resp.setContentType(mimeType); 
    FileInputStream fis =  null ;
    OutputStream os =  null ;
     try {
    
      File file =  new  File(filename); 
      size = ( int )file.length();
      n= 1 ;
      resp.setContentLength( size );
      fis =  new  FileInputStream( file ); 

      os = resp.getOutputStream(); 
       byte [] buf =  new   byte [ 1024 ]; 
       int  count =  0 ;
       while  ((count = fis.read(buf)) >=  0 ) { 
        os.write(buf,  0 , count); 
      } 
      String ddate = ( new  SimpleDateFormat("yyyy-MM-dd")).format( date ) ;
      String dtime = ( new  SimpleDateFormat("hh:mm:ss")).format( date ) ;
      tm = System.currentTimeMillis() - tm; 
      DocDnld docd =  new  DocDnld(email,Integer.parseInt(id),ddate,dtime,size,( float )(tm /  1000 . 0 ),n);
       try {
        docd.insert( req );
        setDocStatus( req, Integer.parseInt(id), email);
      } catch (Exception e){
          throw   new  IOException( e.getMessage() );
      }
    } finally {
      fis.close();
      os.close();
    }
     new  Log(req, "ok");
   } catch (Exception maine){
      new  Log(req, maine.getMessage());
   }
  }

   public   void  doPost(HttpServletRequest req, HttpServletResponse resp) throws  IOException{
    doGet(req, resp);
  } 

   private   void  setDocStatus(HttpServletRequest req,  int  id, String email) throws  Exception{
    ToDownload todwd =  new  ToDownload(id,email);
    todwd.setStatus(  new  Spr( 4 ,"") );
    todwd.update( req );
  }