protected void processAjaxRequest(
Form form, HttpServletRequest request, HttpServletResponse response) throws IOException {
AjaxResponse ajaxResponse = new AjaxResponse(response);
if (form != null) {
form.getFormContext().setWriter(response.getWriter());
form.setFormListener(ajaxResponse);
if (isEventRequest(request)) {
processEventRequest(form, request);
} else {
processForm(form, request);
}
form.setFormListener(null);
} else {
String message =
messageSource.getMessage(
"error.sessionExpired",
null,
"Your session has expired",
RequestContextUtils.getLocale(request));
ajaxResponse.alert(message);
}
ajaxResponse.close();
}
protected void processEventRequest(Form form, HttpServletRequest request) {
String id = request.getParameter("event.source");
log.debug("Processing AJAX request triggered by element " + id);
Element element = form.getElementById(id);
JavaScriptEvent event = new JavaScriptEvent(request);
if (element instanceof JavaScriptEventAdapter) {
JavaScriptEventAdapter ea = (JavaScriptEventAdapter) element;
ea.handleJavaScriptEvent(event);
} else {
log.error("Element does not implement JavaScriptEventAdapter");
}
}