?? multipartformserv.java
字號:
package com.jdon.picture;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2002</p>
* <p>Company: </p>
* @author unascribed
* @version 1.0
*/
public class MultipartFormServ extends HttpServlet {
static final private String CONTENT_TYPE = "text/html";
private static MultipartFormHandle mf = MultipartFormHandle.getInstance();
private String dirName;
private ServletContext context;
//Initialize global variables
public void init() throws ServletException {
// read the uploadDir from the servlet parameters
dirName = mf.getUploaddir();
if (dirName == null) {
throw new ServletException("Please supply uploadDir parameter");
}
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
doGet(request, response);
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
mf.init(dirName,request);
String forward=mf.getForwardProgram();
if (forward.equals(""))
{
errorMessage("no forward program", response);
return;
}
String param=mf.getForwardProgramParam();
mf.clear();
// errorMessage(forward+"?"+param, response);
getServletConfig().getServletContext().getRequestDispatcher("/"+forward+"?"+param).forward(request, response);
}catch (Exception Ex) {
throw new ServletException(Ex.getMessage());
}
}
//Clean up resources
public void destroy() {
}
private void errorMessage(String s, HttpServletResponse response)
throws IOException
{
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title> error message</title>");
out.println("</head>");
out.println("<body>");
out.println(s + "</center>");
out.println("</body>");
out.println("</html>");
out.flush();
out.close();
}
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