do u get the window alert popping up after u click on submit?
On Oct 29, 8:24 pm, grasshopper <[EMAIL PROTECTED]> wrote:
> I am trying to set up file uploading in an app and I am having trouble
> with no sign of what is wrong.
>
> My trouble is that when I click a button to submit a FormPanel,
> nothing happens.
>
> To make matters worst I get no error on tomcat logs or anywhere.
>
> I am clueless as to what might be happenning.
>
> This is my onModuleLoad() code:
> //Create a FormPanel and point it at a service.
> final FormPanel uploadForm = new FormPanel();
> uploadForm.setAction(GWT.getModuleBaseURL() +
> "wallpaperUploadService");
>
> // Because we're going to add a FileUpload widget, we'll need to
> set the
> // form to use the POST method, and multipart MIME encoding.
> uploadForm.setEncoding(FormPanel.ENCODING_MULTIPART);
> uploadForm.setMethod(FormPanel.METHOD_POST);
>
> // Create a panel to hold all of the form widgets.
> VerticalPanel uploadPanel = new VerticalPanel();
> uploadForm.setWidget(uploadPanel);
>
> // Create a FileUpload widget.
> FileUpload upload = new FileUpload();
> upload.setName("uploadFormElement");
> uploadPanel.add(upload);
>
> // Add a 'submit' button.
> Button uploadSubmitButton = new Button("Submit");
> uploadPanel.add(uploadSubmitButton);
>
> uploadSubmitButton.addClickListener(new ClickListener() {
> public void onClick(Widget sender) {
> uploadForm.submit();
> }
> });
>
> uploadForm.addFormHandler(new FormHandler() {
> public void onSubmit(FormSubmitEvent event) {
> }
>
> public void onSubmitComplete(FormSubmitCompleteEvent event) {
> Window.alert(event.getResults());
> }
> });
>
> My servlet is code:
> public class WallpaperUploadServlet extends HttpServlet implements
> Servlet {
>
> public void init(ServletConfig config) throws ServletException{
>
> }
>
> protected void doPost(HttpServletRequest request, HttpServletResponse
> response)
> throws ServletException, IOException {
> response.setContentType("text/plain");
>
> FileItem uploadItem = getFileItem(request);
> if (uploadItem == null) {
> response.getWriter().write("NO-SCRIPT-DATA");
> return;
> }
>
> byte[] fileContents = uploadItem.get();
> //TODO: add code to process file contents here. We will just
> print it.
>
> //System.out.println(new String(fileContents));
> response.getWriter().write("GOT-DATA");
> }
>
> private FileItem getFileItem(HttpServletRequest request) {
> FileItemFactory factory = new DiskFileItemFactory();
> ServletFileUpload upload = new ServletFileUpload(factory);
>
> try {
> List items = upload.parseRequest(request);
> Iterator it = items.iterator();
> while (it.hasNext()) {
> FileItem item = (FileItem) it.next();
> if (!item.isFormField()
> && "uploadFormElement".equals(item.getFieldName())) {
> return item;
> }
> }
> } catch (FileUploadException e) {
> return null;
> }
> return null;
> }
>
> }
>
> web.xml:
> <servlet>
> <servlet-name>WallpaperUploadService</servlet-name>
> <servlet-class>
>
> net.newfoundcomm.attendant.server.WallpaperUploadServlet
> </servlet-class>
>
> <init-param>
> <param-name>action-class</param-name>
>
> <!-- Replace the action class name below with the fully
> qualified name of the action class -->
> <param-
> value>net.newfoundcomm.attendant.WallpaperUploadActionClass</param-
> value>
> </init-param>
> </servlet>
>
> <servlet-mapping>
> <servlet-name>WallpaperUploadService</servlet-name>
> <url-pattern>/wallpaperUploadService</url-pattern>
> </servlet-mapping>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~----------~----~----~----~------~----~------~--~---
