How to upload image from a folder thro JSP

Hi,
I am CBK Varma,and I am developing one application, where
I have to display images in my webpage, from a specific folder that should keep on changing every 10 sec.. ...
how to upload these image files to my page with timing..means afterr 10 sec ,the another image in the same folder has to be dis[play.
I am storing images ina folder as .jpg/.gif format. (thro Java Program).
Plz tell me the way of how to do this?
Thanks in advance.
Varma.

These image files reside on the client? If so the client is going to have to initiate the upload. Think of the security problems if they didn't?

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Hi frds,
It's Very Urgent.
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The photo is stored on the visitor's local computer?
If this is the case, the only real way to get it to your server through a webpage is to use a file upload control. This means the user has to select the photo manually before he presses the submit button.
Check out the "file" input field, which is a standard HTML control.
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Iphoto is a Photo Database designed to allow you to organise and manipulate you photos without recourse to your files.
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hi,
i am confronting a problem how to upload image from local PC to web server . I am using Tomcat 4.0
please help me by sending code
thanks

Hi,
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Upload.jsp **********************************************************
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<%@ taglib uri="/WEB-INF/struts-template.tld" prefix="template" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
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</html:form>
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Image.jsp*****************************************************************
<jsp:useBean id="upload" class="uploadtest.uploadActionForm" scope="session">
</jsp:useBean>
<%
 byte[] rgb=(byte[])session.getAttribute("byte");
 request.setAttribute("byArr", rgb);
%>

Image is
<jsp:forward page="/showimage" />
Struts Action Class - UploadAction.java **************************************************
import javax.servlet.http.*;
import java.io.*;
import org.apache.struts.upload.FormFile;
import org.apache.struts.action.*;
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public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
uploadActionForm upload = (uploadActionForm) actionForm;
try {
int size=upload.getFileUpload().getFileSize();
//if (image != null) {
byte[] byteArr = new byte[size];
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bytein.read(byteArr);
// Close the input stream.
bytein.close();
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upload.setContent(byteArr);
HttpSession ses=httpServletRequest.getSession();
ses.setAttribute("byte",byteArr);
return actionMapping.findForward("success");
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ex.printStackTrace();
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Struts ActionForm class ---uploadActionForm.java***************************************************
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import org.apache.struts.action.*;
import org.apache.struts.upload.*;
import javax.servlet.http.*;
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private FormFile fileUpload;
private byte[] content;
public FormFile getFileUpload() {
return fileUpload;
public void setFileUpload(FormFile fileUpload) {
this.fileUpload = fileUpload;
public byte[] getContent()
return content;
public void setContent(byte[] theFile)
this.content = theFile;
public ActionErrors validate(ActionMapping actionMapping, HttpServletRequest httpServletRequest) {
/**@todo: finish this method, this is just the skeleton.*/
return null;
public void reset(ActionMapping actionMapping, HttpServletRequest httpServletRequest) {
Servlet to display image --- ShowImage.java ********************************************************
import java.io.*;
import java.util.*;
public class ShowImage extends HttpServlet {
//Initialize global variables
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
byte[] rgb = (byte[]) request.getAttribute("byArr");
if (rgb != null)
response.setContentType("image/gif");
OutputStream stream = response.getOutputStream();
stream.write(rgb);
else
response.setContentType("text");
response.getWriter().write("attribute byArr not found");
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How to upload image from a folder thro JSP

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