Method argument resolver

HeaderMapArgumentResolver

public class HeaderMapArgumentResolver implements HandlerMethodArgumentResolver{
    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType() == HeaderInfo.class;
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
                                  NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

        HeaderInfo headerInfo = new HeaderInfo();

        Iterator<String> headerNames = webRequest.getHeaderNames();
        while(headerNames.hasNext()) {
            String headerName = headerNames.next();
            String headerValue = webRequest.getHeader(headerName);
			System.out.println(headerName + " , " + headerValue);
            headerInfo.put(headerName, headerValue);
        }

        return headerInfo;

    }