@Override
public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request)
throws MultipartException {
Assert.notNull(request, "Request must not be null");
if (request instanceof RequestWrapper) {
final RequestWrapper requestWrapper = (RequestWrapper) request;
Exception multipartException =
(Exception) request.getAttribute(IMultipartConfig.FILEUPLOAD_EXCEPTION);
if (multipartException != null) {
if (multipartException instanceof MaxUploadSizeExceededException) {
throw (MaxUploadSizeExceededException) multipartException;
} else {
throw new MultipartException(
"Could not parse multipart servlet request", multipartException);
}
}
if (this.resolveLazily) {
return new DefaultMultipartHttpServletRequest(requestWrapper) {
@Override
protected void initializeMultipart() {
setMultipartFiles(getMultipartFileElements(requestWrapper.getFileElements()));
setMultipartParameters(getMultipartTextElements(requestWrapper.getTextElements()));
}
};
} else {
return new DefaultMultipartHttpServletRequest(
request,
getMultipartFileElements(requestWrapper.getFileElements()),
getMultipartTextElements(requestWrapper.getTextElements()));
}
} else {
// The normal behaviour
return super.resolveMultipart(request);
}
}
