Java 类org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod 实例源码

protected ServletInvocableHandlerMethod getExceptionHandlerMethod(HandlerMethod handlerMethod, Exception exception)
{
  Class<?> handlerType = handlerMethod.getBeanType();
  Method method = getExceptionHandlerMethodResolver(handlerType).resolveMethod(exception);

  if (method != null) {
    return new ServletInvocableHandlerMethod(handlerMethod.getBean(), method);
  }
  try
  {
    method = getClass().getMethod("getFailedResult", new Class[] { Exception.class });
  }
  catch (Exception e) {
  }
  return new ServletInvocableHandlerMethod(this, method);
}

@Override
public ServletInvocableHandlerMethod createInvocableHandlerMethod(HandlerMethod handlerMethod) {
    ServletInvocableHandlerMethod invocableHandlerMethod;
    if (creator != null) {
        invocableHandlerMethod = creator.createInvocableHandlerMethod(handlerMethod);
        if (invocableHandlerMethod != null) {
            return invocableHandlerMethod;
        }
    }
    return new ServletInvocableHandlerMethod(handlerMethod);
}

private ExceptionHandlerExceptionResolver createExceptionResolver() {
  ExceptionHandlerExceptionResolver exceptionResolver = new ExceptionHandlerExceptionResolver() {
    protected ServletInvocableHandlerMethod getExceptionHandlerMethod(HandlerMethod handlerMethod, Exception exception) {
      Method method = new ExceptionHandlerMethodResolver(JsonErrorHandler.class).resolveMethod(exception);
      return new ServletInvocableHandlerMethod(jsonErrorHandler, method);
    }
  };
  List<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
  messageConverters.add(new FormHttpMessageConverter());
  messageConverters.add(new StringHttpMessageConverter());
  messageConverters.add(new MappingJackson2HttpMessageConverter());
  exceptionResolver.setMessageConverters(messageConverters);
  exceptionResolver.afterPropertiesSet();
  return exceptionResolver;
}

private ExceptionHandlerExceptionResolver createExceptionResolver() {
  ExceptionHandlerExceptionResolver exceptionResolver = new ExceptionHandlerExceptionResolver() {
    protected ServletInvocableHandlerMethod getExceptionHandlerMethod(HandlerMethod handlerMethod, Exception exception) {
      Method method = new ExceptionHandlerMethodResolver(JsonErrorHandler.class).resolveMethod(exception);
      return new ServletInvocableHandlerMethod(jsonErrorHandler, method);
    }
  };
  List<HttpMessageConverter<?>> messageConverters = new ArrayList<>();
  messageConverters.add(new FormHttpMessageConverter());
  messageConverters.add(new StringHttpMessageConverter());
  messageConverters.add(new MappingJackson2HttpMessageConverter());
  exceptionResolver.setMessageConverters(messageConverters);
  exceptionResolver.afterPropertiesSet();
  return exceptionResolver;
}

@Override
protected ServletInvocableHandlerMethod createInvocableHandlerMethod(HandlerMethod handlerMethod) {
    return invocableHandlerMethodCreator.createInvocableHandlerMethod(handlerMethod);
}

ServletInvocableHandlerMethod createInvocableHandlerMethod(HandlerMethod handlerMethod);