A temporary solution:
Overide multipartFilter to put multipartRequest into session(Put this class
anywhere in application source):
| @Startup
| @Scope(APPLICATION)
| @Name("org.jboss.seam.web.multipartFilter")
| @Install(precedence = Install.APPLICATION)
| @BypassInterceptors
| @Filter(within={"org.jboss.seam.web.ajax4jsfFilter",
"org.jboss.seam.web.exceptionFilter"})
| public class MonitoredMultipartFilter extends MultipartFilter {
|
| @Override
| public void doFilter(final ServletRequest request, final
ServletResponse response, final FilterChain chain)
| throws IOException, ServletException {
| if (!(response instanceof HttpServletResponse)) {
| chain.doFilter(request, response);
| return;
| }
|
| final HttpServletRequest httpRequest = (HttpServletRequest) request;
|
| if (isMultipartRequest(httpRequest)) {
| processMultipart(httpRequest, response, chain);
| } else chain.doFilter(request, response);
| }
|
| private void processMultipart(HttpServletRequest httpRequest,
ServletResponse response, FilterChain chain)
| throws IOException, ServletException {
|
| MultipartRequest multipartRequest = new MultipartRequest(httpRequest,
getCreateTempFiles(), getMaxRequestSize());
| HttpSession httpSession = httpRequest.getSession(false);
| if (httpSession != null) {
| httpSession.setAttribute("MULITIPART_REQUESET", multipartRequest);
| }
|
| chain.doFilter(multipartRequest, response);
|
| }
|
| private boolean isMultipartRequest(HttpServletRequest request) {
| if (!"post".equals(request.getMethod().toLowerCase())) {
| return false;
| }
|
| String contentType = request.getContentType();
| if (contentType == null) {
| return false;
| }
|
| if (contentType.toLowerCase().startsWith(MULTIPART)) {
| return true;
| }
|
| return false;
| }
| }
|
And in the backing seam component:
| @In(value="MULITIPART_REQUESET",required=false) private
MultipartRequest multipartRequest;
| private static final String UPLOAD_COMPONENT_ID_IN_HTML =
"uploadForm:upload";
|
| @WebRemote
| public Integer uploadPercentage() {
| int uploadsize =
multipartRequest.getFileSize(UPLOAD_COMPONENT_ID_IN_HTML);
| int totalsize = multipartRequest.getContentLength();
| if (uploadsize>=0 && totalsize>=0) {
| Integer progress = (int)Math.floor(((double)uploadsize / (double)
totalsize) * 100.0);
| return progress;
| } else return null;
| }
|
Now seam remoting can access uploadPercentage() method to get the progress.
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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4098102#4098102
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