Code for index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<div>
<h3>Choose File to Upload in Server</h3>
<form action="UploadServ" method="post" enctype="multipart/form-data">
<input type="file" name="file" /> <input type="submit"
value="upload" />
</form>
</div>
</body>
</html>
Code for result.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>File Upload Example in JSP and Servlet - Java web application</title>
</head>
<body>
<div id="result">
<h3>${requestScope["message"]}</h3>
</div>
</body>
</html>
Source code for UploadServ.java
package com.t4b.demo.fileupload;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Timestamp;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
/**
* Servlet implementation class UploadServ
*/
@WebServlet("/UploadServ")
public class UploadServ extends HttpServlet {
private final String UPLOAD_DIRECTORY = "D:\\Development\\uploads";
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
PrintWriter out = response.getWriter();
String rootpath = getServletContext().getRealPath("WEB-INF/../");
File tempfile = new File(rootpath);
String fullPathToYourWebappRoot = tempfile.getCanonicalPath();
String filepath = "";
String relativepath = "";
// process only if its multipart content
if (ServletFileUpload.isMultipartContent(request)) {
try {
List<FileItem> multiparts = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request);
for (FileItem item : multiparts) {
if (!item.isFormField()) {
String name = new File(item.getName()).getName();
relativepath = "uploads" + File.separator + name;
filepath = fullPathToYourWebappRoot + File.separator + relativepath;
item.write(new File(filepath));
}
}
// File uploaded successfully
out.print("File Uploaded Successfully! Get it from here");
} catch (Exception ex) {
out.print("File Upload Failed due to " + ex);
}
} else {
out.print("Sorry this Servlet only handles file upload request");
}
}
}
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