protected List<HandlerMethodArgumentResolver> initArgumentResolvers() {
	ApplicationContext context = getApplicationContext();
	ConfigurableBeanFactory beanFactory = (context instanceof ConfigurableApplicationContext ?
			((ConfigurableApplicationContext) context).getBeanFactory() : null);

	List<HandlerMethodArgumentResolver> resolvers = new ArrayList<>();

	// Annotation-based argument resolution
	resolvers.add(new HeaderMethodArgumentResolver(this.conversionService, beanFactory));
	resolvers.add(new HeadersMethodArgumentResolver());
	resolvers.add(new DestinationVariableMethodArgumentResolver(this.conversionService));

	// Type-based argument resolution
	resolvers.add(new PrincipalMethodArgumentResolver());
	resolvers.add(new MessageMethodArgumentResolver(this.messageConverter));

	resolvers.addAll(getCustomArgumentResolvers());
	resolvers.add(new PayloadMethodArgumentResolver(this.messageConverter, this.validator));

	return resolvers;
}
 

protected List<HandlerMethodArgumentResolver> initArgumentResolvers() {
	ApplicationContext context = getApplicationContext();
	ConfigurableBeanFactory beanFactory = (context instanceof ConfigurableApplicationContext ?
			((ConfigurableApplicationContext) context).getBeanFactory() : null);

	List<HandlerMethodArgumentResolver> resolvers = new ArrayList<>();

	// Annotation-based argument resolution
	resolvers.add(new HeaderMethodArgumentResolver(this.conversionService, beanFactory));
	resolvers.add(new HeadersMethodArgumentResolver());
	resolvers.add(new DestinationVariableMethodArgumentResolver(this.conversionService));

	// Type-based argument resolution
	resolvers.add(new PrincipalMethodArgumentResolver());
	resolvers.add(new MessageMethodArgumentResolver(this.messageConverter));

	resolvers.addAll(getCustomArgumentResolvers());
	resolvers.add(new PayloadArgumentResolver(this.messageConverter, this.validator));

	return resolvers;
}
 

protected List<HandlerMethodArgumentResolver> initArgumentResolvers() {
	ConfigurableBeanFactory beanFactory = (getApplicationContext() instanceof ConfigurableApplicationContext ?
			((ConfigurableApplicationContext) getApplicationContext()).getBeanFactory() : null);

	List<HandlerMethodArgumentResolver> resolvers = new ArrayList<HandlerMethodArgumentResolver>();

	// Annotation-based argument resolution
	resolvers.add(new HeaderMethodArgumentResolver(this.conversionService, beanFactory));
	resolvers.add(new HeadersMethodArgumentResolver());
	resolvers.add(new DestinationVariableMethodArgumentResolver(this.conversionService));

	// Type-based argument resolution
	resolvers.add(new PrincipalMethodArgumentResolver());
	resolvers.add(new MessageMethodArgumentResolver());

	resolvers.addAll(getCustomArgumentResolvers());
	resolvers.add(new PayloadArgumentResolver(this.messageConverter, this.validator));

	return resolvers;
}
 

@Override
protected List<? extends HandlerMethodArgumentResolver> initArgumentResolvers() {
  List<HandlerMethodArgumentResolver> resolvers = new ArrayList<>(getCustomArgumentResolvers());
  // Annotation-based argument resolution
  resolvers.add(new HeaderMethodArgumentResolver(this.conversionService, getBeanFactory()));
  resolvers.add(new HeadersMethodArgumentResolver());

  // Type-based argument resolution
  resolvers.add(new PrincipalMethodArgumentResolver());
  resolvers.add(new MessageMethodArgumentResolver(messageConverter));
  resolvers.add(new PayloadArgumentResolver(messageConverter, null));

  return resolvers;
}