コード例 #1
0
 @Override
 public Mono<HandlerResult> handle(ServerWebExchange exchange, Object handler) {
   HandlerMethod handlerMethod = (HandlerMethod) handler;
   InvocableHandlerMethod invocable = new InvocableHandlerMethod(handlerMethod);
   invocable.setHandlerMethodArgumentResolvers(this.argumentResolvers);
   ModelMap model = new ExtendedModelMap();
   return invocable
       .invokeForRequest(exchange, model)
       .map(
           result ->
               result.setExceptionHandler(ex -> handleException(ex, handlerMethod, exchange)))
       .otherwise(ex -> handleException(ex, handlerMethod, exchange));
 }
コード例 #2
0
  private Mono<HandlerResult> handleException(
      Throwable ex, HandlerMethod handlerMethod, ServerWebExchange exchange) {

    if (ex instanceof Exception) {
      InvocableHandlerMethod invocable = findExceptionHandler(handlerMethod, (Exception) ex);
      if (invocable != null) {
        try {
          if (logger.isDebugEnabled()) {
            logger.debug("Invoking @ExceptionHandler method: " + invocable);
          }
          invocable.setHandlerMethodArgumentResolvers(getArgumentResolvers());
          ExtendedModelMap errorModel = new ExtendedModelMap();
          return invocable.invokeForRequest(exchange, errorModel, ex);
        } catch (Exception invocationEx) {
          if (logger.isErrorEnabled()) {
            logger.error("Failed to invoke @ExceptionHandler method: " + invocable, invocationEx);
          }
        }
      }
    }
    return Mono.error(ex);
  }