package?control;

import?java.io.BufferedInputStream;
import?java.io.BufferedOutputStream;
import?java.io.FileInputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.OutputStream;
import?java.io.PrintWriter;
import?java.io.UnsupportedEncodingException;
import?java.net.URLEncoder;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?util.Info;

public?class?Upload?extends?HttpServlet?{

	/**
	?*?Constructor?of?the?object.
	?*/
	public?Upload（）?{
		super（）;
	}

	/**
	?*?Destruction?of?the?servlet.?

	?*/
	public?void?destroy（）?{
		super.destroy（）;?//?Just?puts?“destroy“?string?in?log
		//?Put?your?code?here
	}

	/**
	?*?The?doGet?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

		this.doPost（request?response）;
	}

	/**
	?*?The?doPost?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?post.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

		StringBuffer???sb???=???new???StringBuffer（50）;???
		?response.setContentType（“application/x-msdownload;charset=GB2312“）;???
????????try?{
			response.setHeader（“Content-Disposition“???new???String（sb.toString（）???
			?????????.getBytes（）???“ISO8859-1“））;
		}?catch?（UnsupportedEncodingException?e1）?{
			//?TODO?Auto-generated?catch?block
			e1.printStackTrace（）;
		}
		?String?filename?=?request.getParameter（“filename“）;
		??if?（request.getHeader（“User-Agent“）.toLowerCase（）.indexOf（“firefox“）?>?0）{
		?????try?{
				filename?=?new?String（filename.getBytes（“gb2312“）?“ISO8859-1“）;
			}?catch?（UnsupportedEncodingException?e）?{
				//?TODO?Auto-generated?catch?block
				e.printStackTrace（）;
			}
		?}
		?else?
		??????if?（request.getHeader（“User-Agent“）.toUpperCase（）.indexOf（“MSIE“）?>?0）{
		???????????try?{
					filename?=?URLEncoder.encode（filename?“gb2312“）;
				}?catch?（UnsupportedEncodingException?e）?{
					//?TODO?Auto-generated?catch?block
					?
				}
		??????}
		?response.setContentType（“text/plain“）;
		?response.setHeader（“Location“filename）;
		?response.reset（）;
		?response.setHeader（“Cache-Con