UploadServlet.java

package test;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

/**
 * Servlet implementation class UploadServlet
 */
@WebServlet("/myUpload")
@MultipartConfig
public class UploadServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public UploadServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {

		Part filePart = request.getPart("file"); 

		// obtain file name from header
		String content = filePart.getHeader("content-disposition");
		String filename = "";
		for (String token : content.split(";")) {
			if (token.trim().startsWith("filename")) {
				System.out.println(token);
				filename = token.substring(token.indexOf("=") + 2,
						token.length() - 1);
				System.out.println(filename);
			}
		}
		// path where the file will be placed:
		String path = "C:\\uploads";
		System.out.println(path);
		
		// obtain file content
		InputStream fileContent = filePart.getInputStream();
		OutputStream out = new FileOutputStream(new File(path + File.separator
				+ filename));

		int read = 0;
		final byte[] bytes = new byte[1024];

		while ((read = fileContent.read(bytes)) != -1) {
			out.write(bytes, 0, read);
		}
	}

}