Write file Upload _jsp programming with JSP

If you have used VB to write the components of the file upload, then the Java file Upload JavaBean is very easy.
The following example is just a simple version
Package yuanyifileup;
Import java.io.*;
Import java.util.*;
Import javax.servlet.*;
Import javax.servlet.http.*;
Import Javax.servlet.jsp.PageContext;

public class Yuanyifileup
{
private ServletRequest request;
Private Servletresponse response;
Private ServletConfig config;
ServletInputStream DATA;
int formsize;
File F1;
FileOutputStream OS;
DataInputStream is;
String filename;
Byte[] B;
BYTE T;
Boolean flag=false;
Public Yuanyifileup ()
{ }
public void Initialize (ServletConfig config,httpservletrequest request,httpservletresponse response) throws IOException
{
This.request=request;
This.response=response;
This.config=config;
DATA = Request.getinputstream ();
Formsize=request.getcontentlength ();
}
public void Initialize (PageContext pagecontext) throws IOException
{
Request=pagecontext.getrequest ();
Response=pagecontext.getresponse ();
Config=pagecontext.getservletconfig ();
DATA = Request.getinputstream ();
Formsize=request.getcontentlength ();
}
public Boolean setfilename (String s)
{
Try
{
File F1=new file (s);
Os=new FileOutputStream (F1);
}
catch (IOException E)
{return (false);}
return (true);
}
public void GetByte ()
{
int i=0;
Try
{
Is=new DataInputStream (DATA);
B=new Byte[formsize];

while (true)
{
Try
{
T=is.readbyte ();
b[i]=t;
i++;
}
catch (Eofexception e)
{break;}
}
Is.close ();}
catch (IOException E)
{}
}

public Boolean Save ()
{
int i=0,start1=0,start2=0;
String temp= "";
if (!flag)
{
GetByte ();
Flag=true;
}
Try
{
Temp=new String (b, "iso8859_1");
}
catch (Unsupportedencodingexception e)
{return (false);}

Start1=temp.indexof ("image/");
Temp=temp.substring (START1);

Start1=temp.indexof ("\r\n\r\n");

Temp=temp.substring (START1+4);
Start2=temp.indexof ("; \ r \ n");
if (start2!=-1)
{
Temp=temp.substring (0,START2);
}
Try
{
Byte[] Img=temp.getbytes ("iso8859_1");
for (i=0;i{os.write (img[i]);}
Os.close ();
}
catch (IOException E)
{return (false);}

return (true);

}
If there's a e-mail:yymailbox@263.net.bye that doesn't understand

}