/**
* Utility method used when redirecting to an error page.
*
* @param request The servlet request object.
* @param t The exception that is the source of the error.
* @return Returns a ModelAndView object corresponding to the error page display.
*/
protected static ModelAndView viewError(HttpServletRequest request, Throwable t) {
if (!(t instanceof WikiException)) {
logger.severe("Servlet error", t);
}
ModelAndView next = new ModelAndView("wiki");
WikiPageInfo pageInfo = new WikiPageInfo();
pageInfo.setPageTitle(new WikiMessage("error.title"));
pageInfo.setContentJsp(JSP_ERROR);
pageInfo.setSpecial(true);
if (t instanceof WikiException) {
WikiException we = (WikiException) t;
next.addObject("messageObject", we.getWikiMessage());
} else {
next.addObject("messageObject", new WikiMessage("error.unknown", t.toString()));
}
try {
ServletUtil.loadDefaults(request, next, pageInfo);
} catch (Exception err) {
logger.severe("Unable to load default layout", err);
}
return next;
}
