/**
* Ask our exception handler to handle the exception. Return the <code>ActionForward</code>
* instance (if any) returned by the called <code>ExceptionHandler</code>.
*
* @param request The servlet request we are processing
* @param response The servlet response we are processing
* @param exception The exception being handled
* @param form The ActionForm we are processing
* @param mapping The ActionMapping we are using
* @return The <code>ActionForward</code> instance (if any) returned by the called <code>
* ExceptionHandler</code>.
* @throws IOException if an input/output error occurs
* @throws ServletException if a servlet exception occurs
*/
protected ActionForward processException(
HttpServletRequest request,
HttpServletResponse response,
Exception exception,
ActionForm form,
ActionMapping mapping)
throws IOException, ServletException {
// Is there a defined handler for this exception?
ExceptionConfig config = mapping.findException(exception.getClass());
if (config == null) {
log.warn(getInternal().getMessage("unhandledException", exception.getClass()));
if (exception instanceof IOException) {
throw (IOException) exception;
} else if (exception instanceof ServletException) {
throw (ServletException) exception;
} else {
throw new ServletException(exception);
}
}
// Use the configured exception handling
try {
ExceptionHandler handler =
(ExceptionHandler) RequestUtils.applicationInstance(config.getHandler());
return (handler.execute(exception, config, mapping, form, request, response));
} catch (Exception e) {
throw new ServletException(e);
}
}
